Expose MediaSink device ip/port and model name (see issue #2900)

Avoid building with a new and untested SDK version. See
https://crbug.com/1089996 for background.

AUTHORS.txt

@@ -1,6 +1,8 @@
-# This file is an addendum to the Chromium AUTHORS file.
-# Names should be added to this file like so:
-# Name or Organization <email address>
+# This file is an addendum to the Chromium AUTHORS file. It lists authors
+# through March 16, 2015 when Git was introduced for source code management.
+# A list of additional authors added after that date can be found by executing
+# this command on a local Git checkout:
+# git log --all --format="%aN <%aE>" | sort -u
 
 Marshall Greenblatt <magreenblatt@gmail.com>
 Jamie Kirkpatrick <jkp@spotify.com>

BUILD.gn

@@ -106,6 +106,7 @@ import("//media/media_options.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 import("//ppapi/buildflags/buildflags.gni")
 import("//printing/buildflags/buildflags.gni")
+import("//testing/test.gni")
 import("//third_party/icu/config.gni")
 import("//third_party/widevine/cdm/widevine.gni")
 import("//tools/grit/repack.gni")
@@ -253,7 +254,6 @@ if (is_linux) {
 # Set ENABLE_PRINTING=1 ENABLE_BASIC_PRINTING=1.
 assert(enable_basic_printing)
 assert(enable_print_preview)
-assert(!enable_service_discovery)
 
 # Enable support for Widevine CDM.
 assert(enable_widevine)
@@ -263,12 +263,6 @@ if (is_clang) {
   assert(!clang_use_chrome_plugins)
 }
 
-if (is_linux) {
-  # Use system fontconfig. This avoids a startup hang on Ubuntu 16.04.4 (see
-  # issue #2424).
-  assert(!use_bundled_fontconfig)
-}
-
 if (is_mac) {
   # Always generate dSYM files. The make_distrib script will fail if
   # enable_dsyms=true is not explicitly set when is_official_build=false.
@@ -303,6 +297,10 @@ gypi_paths2 = exec_script("//cef/tools/gypi_to_gn.py",
                           "scope",
                           [ "cef_paths2.gypi" ])
 
+includes_common = gypi_paths2.includes_common + gypi_paths2.includes_common_capi
+includes_mac = gypi_paths2.includes_mac + gypi_paths2.includes_mac_capi
+includes_linux = gypi_paths2.includes_linux + gypi_paths2.includes_linux_capi
+includes_win = gypi_paths2.includes_win + gypi_paths2.includes_win_capi
 
 #
 # Targets that will be built when depending on "//cef".
@@ -313,6 +311,7 @@ group("cef") {
   deps = [
     ":cefsimple",
     ":ceftests",
+    ":libcef_static_unittests",
   ]
 
   if (!is_linux || use_x11) {
@@ -370,9 +369,46 @@ if (is_win) {
   }
 }
 
+# libcef_static source files that have unit tests.
+source_set("libcef_static_unittested") {
+  sources = [
+    "libcef/browser/devtools/devtools_util.cc",
+    "libcef/browser/devtools/devtools_util.h",
+  ]
+
+  deps = [
+    "//base",
+  ]
+
+  configs += [
+    "libcef/features:config",
+    "//build/config:precompiled_headers",
+  ]
+}
+
+# Executable target for libcef_static unit tests.
+test("libcef_static_unittests") {
+  sources = [
+    "libcef/browser/devtools/devtools_util_unittest.cc",
+  ]
+
+  deps = [
+    ":libcef_static_unittested",
+    "//base/test:run_all_unittests",
+    "//testing/gtest",
+  ]
+
+  configs += [
+    "libcef/features:config",
+    "//build/config:precompiled_headers",
+  ]
+}
+
 static_library("libcef_static") {
-  sources = gypi_paths2.includes_common +
+  sources = includes_common +
             gypi_paths.autogen_cpp_includes + [
+    "libcef/browser/audio_capturer.cc",
+    "libcef/browser/audio_capturer.h",
     "libcef/browser/browser_context.cc",
     "libcef/browser/browser_context.h",
     "libcef/browser/browser_context_keyed_service_factories.cc",
@@ -407,10 +443,14 @@ static_library("libcef_static") {
     "libcef/browser/context.h",
     "libcef/browser/context_menu_params_impl.cc",
     "libcef/browser/context_menu_params_impl.h",
+    "libcef/browser/devtools/devtools_controller.cc",
+    "libcef/browser/devtools/devtools_controller.h",
     "libcef/browser/devtools/devtools_file_manager.cc",
     "libcef/browser/devtools/devtools_file_manager.h",
     "libcef/browser/devtools/devtools_frontend.cc",
     "libcef/browser/devtools/devtools_frontend.h",
+    "libcef/browser/devtools/devtools_manager.cc",
+    "libcef/browser/devtools/devtools_manager.h",
     "libcef/browser/devtools/devtools_manager_delegate.cc",
     "libcef/browser/devtools/devtools_manager_delegate.h",
     "libcef/browser/download_item_impl.cc",
@@ -473,6 +513,16 @@ static_library("libcef_static") {
     "libcef/browser/javascript_dialog_manager.h",
     "libcef/browser/media_capture_devices_dispatcher.cc",
     "libcef/browser/media_capture_devices_dispatcher.h",
+    "libcef/browser/media_router/media_route_impl.cc",
+    "libcef/browser/media_router/media_route_impl.h",
+    "libcef/browser/media_router/media_router_impl.cc",
+    "libcef/browser/media_router/media_router_impl.h",
+    "libcef/browser/media_router/media_router_manager.cc",
+    "libcef/browser/media_router/media_router_manager.h",
+    "libcef/browser/media_router/media_sink_impl.cc",
+    "libcef/browser/media_router/media_sink_impl.h",
+    "libcef/browser/media_router/media_source_impl.cc",
+    "libcef/browser/media_router/media_source_impl.h",
     "libcef/browser/menu_manager.cc",
     "libcef/browser/menu_manager.h",
     "libcef/browser/menu_model_impl.cc",
@@ -696,17 +746,6 @@ static_library("libcef_static") {
     "libcef/renderer/url_loader_throttle_provider_impl.h",
     "libcef/renderer/v8_impl.cc",
     "libcef/renderer/v8_impl.h",
-
-    "//chrome/browser/local_discovery/service_discovery_device_lister.cc",
-    "//chrome/browser/local_discovery/service_discovery_device_lister.h",
-    "//chrome/browser/local_discovery/service_discovery_client_impl.cc",
-    "//chrome/browser/local_discovery/service_discovery_client_impl.h",
-    "//chrome/browser/local_discovery/service_discovery_client.cc",
-    "//chrome/browser/local_discovery/service_discovery_client.h",
-    "//chrome/browser/local_discovery/service_discovery_client_mdns.cc",
-    "//chrome/browser/local_discovery/service_discovery_client_mdns.h",
-    "//chrome/browser/local_discovery/service_discovery_shared_client.cc",
-    "//chrome/browser/local_discovery/service_discovery_shared_client.h",    
   ]
 
   configs += [
@@ -735,6 +774,8 @@ static_library("libcef_static") {
     ":cef_make_headers",
     ":cef_service_manifests",
 
+    ":libcef_static_unittested",
+
     # Generate API bindings for extensions.
     # TODO(cef): Enable if/when CEF exposes its own Mojo APIs. See
     # libcef/common/extensions/api/README.txt for details.
@@ -775,7 +816,6 @@ static_library("libcef_static") {
     "//components/safe_browsing/core/db:test_database_manager",
     "//components/services/print_compositor/public/cpp",
     "//components/services/print_compositor/public/mojom",
-    "//components/tracing",
     "//components/update_client",
     "//components/url_formatter",
     "//components/user_prefs",
@@ -838,7 +878,7 @@ static_library("libcef_static") {
   ]
 
   if (is_win) {
-    sources += gypi_paths2.includes_win + [
+    sources += includes_win + [
       "libcef/browser/browser_main_win.cc",
       "libcef/browser/native/browser_platform_delegate_native_win.cc",
       "libcef/browser/native/browser_platform_delegate_native_win.h",
@@ -883,7 +923,7 @@ static_library("libcef_static") {
   }
 
   if (is_linux) {
-    sources += gypi_paths2.includes_linux + [
+    sources += includes_linux + [
       "libcef/browser/native/browser_platform_delegate_native_linux.cc",
       "libcef/browser/native/browser_platform_delegate_native_linux.h",
       "libcef/browser/native/menu_runner_linux.cc",
@@ -915,7 +955,7 @@ static_library("libcef_static") {
   }
 
   if (is_mac) {
-    sources += gypi_paths2.includes_mac + [
+    sources += includes_mac + [
       "libcef/browser/native/browser_platform_delegate_native_mac.h",
       "libcef/browser/native/browser_platform_delegate_native_mac.mm",
       "libcef/browser/native/file_dialog_runner_mac.h",
@@ -946,7 +986,7 @@ static_library("libcef_static") {
     ]
 
     deps += [
-      "//components/crash/content/app",
+      "//components/crash/core/app",
       "//components/crash/content/browser",
     ]
   }
@@ -1078,8 +1118,8 @@ static_library("libcef_static") {
         "//ui/aura/test/aura_test_utils.cc",
         "//ui/aura/test/aura_test_utils.h",
         # Part of //ui/events:test_support which is testingonly.
-        "//ui/events/test/platform_event_waiter.cc",
-        "//ui/events/test/platform_event_waiter.h",
+        "//ui/events/test/x11_event_waiter.cc",
+        "//ui/events/test/x11_event_waiter.h",
       ]
 
       if (use_x11) {
@@ -1129,7 +1169,7 @@ config("libcef_dll_wrapper_config") {
 
 # libcef_dll_wrapper target.
 static_library("libcef_dll_wrapper") {
-  sources = gypi_paths2.includes_common +
+  sources = includes_common +
             gypi_paths.autogen_cpp_includes +
             gypi_paths2.includes_capi +
             gypi_paths.autogen_capi_includes +
@@ -1485,11 +1525,29 @@ make_pack_header("strings") {
   ]
 }
 
+# Generate cef_api_hash.h.
+action("make_api_hash_header") {
+  script = "tools/make_api_hash_header.py"
+
+  # List of all C API files that will be checked for changes by cef_api_hash.py.
+  inputs = gypi_paths2.includes_common_capi +
+           gypi_paths2.includes_linux_capi +
+           gypi_paths2.includes_mac_capi +
+           gypi_paths2.includes_win_capi +
+           gypi_paths2.includes_capi +
+           gypi_paths.autogen_capi_includes
+  include_dir = [ "include" ]
+  outputs = [ "$root_out_dir/includes/include/cef_api_hash.h" ]
+
+  args = rebase_path(outputs + include_dir, root_build_dir)
+}
+
 # Generate pack files and associated CEF header files.
 group("cef_make_headers") {
   deps = [
     ":make_pack_header_resources",
     ":make_pack_header_strings",
+    ":make_api_hash_header",
   ]
 }
 
@@ -1587,12 +1645,15 @@ if (is_mac) {
       sources = [
         "$root_out_dir/egl_intermediates/libswiftshader_libEGL.dylib",
         "$root_out_dir/egl_intermediates/libswiftshader_libGLESv2.dylib",
+        "$root_out_dir/vk_intermediates/libvk_swiftshader.dylib",
+        "$root_out_dir/vk_intermediates/vk_swiftshader_icd.json",
       ]
       outputs = [
         "{{bundle_contents_dir}}/Libraries/{{source_file_part}}",
       ]
       public_deps = [
-        "//ui/gl:swiftshader_library_copy",
+        "//ui/gl:swiftshader_egl_library_copy",
+        "//ui/gl:swiftshader_vk_library_copy",
       ]
     }
   }
@@ -1622,8 +1683,8 @@ if (is_mac) {
       "Resources",
     ]
 
-    sources = gypi_paths2.includes_common +
-              gypi_paths2.includes_mac +
+    sources = includes_common +
+              includes_mac +
               gypi_paths.autogen_cpp_includes +
               gypi_paths2.includes_capi +
               gypi_paths.autogen_capi_includes +
@@ -1666,7 +1727,7 @@ if (is_mac) {
   }
 } else {
   shared_library("libcef") {
-    sources = gypi_paths2.includes_common +
+    sources = includes_common +
               gypi_paths.autogen_cpp_includes +
               gypi_paths2.includes_capi +
               gypi_paths.autogen_capi_includes +
@@ -1678,15 +1739,10 @@ if (is_mac) {
     ]
 
     if (is_win) {
-      sources += gypi_paths2.includes_win + [
+      sources += includes_win + [
         "libcef_dll/libcef_dll.rc",
       ]
 
-      # This is a large module that can't do incremental linking in some cases.
-      configs -= [ "//build/config/win:default_incremental_linking" ]
-      configs +=
-          [ "//build/config/win:default_large_module_incremental_linking" ]
-
       deps += [ 
         # Bring in ui_unscaled_resources.rc which contains custom cursors.
         # TODO(cef): Remove this once custom cursors can be loaded via
@@ -1894,8 +1950,8 @@ if (is_mac) {
 
   cef_app("cefclient") {
     helper_info_plist = "tests/cefclient/resources/mac/helper-Info.plist"
-    helper_sources = gypi_paths2.includes_mac +
-                     gypi_paths2.includes_common +
+    helper_sources = includes_common +
+                     includes_mac +
                      gypi_paths2.includes_wrapper +
                      gypi_paths2.includes_wrapper_mac +
                      gypi_paths2.shared_sources_common +
@@ -1908,8 +1964,8 @@ if (is_mac) {
     ]
 
     info_plist = "tests/cefclient/resources/mac/Info.plist"
-    sources = gypi_paths2.includes_mac +
-              gypi_paths2.includes_common +
+    sources = includes_common +
+              includes_mac +
               gypi_paths2.includes_wrapper +
               gypi_paths2.includes_wrapper_mac +
               gypi_paths2.shared_sources_browser +
@@ -1967,8 +2023,8 @@ if (is_mac) {
 
   cef_app("cefsimple") {
     helper_info_plist = "tests/cefsimple/mac/helper-Info.plist"
-    helper_sources = gypi_paths2.includes_mac +
-                     gypi_paths2.includes_common +
+    helper_sources = includes_common +
+                     includes_mac +
                      gypi_paths2.includes_wrapper +
                      gypi_paths2.includes_wrapper_mac +
                      gypi_paths2.cefsimple_sources_mac_helper
@@ -1977,8 +2033,8 @@ if (is_mac) {
     ]
 
     info_plist = "tests/cefsimple/mac/Info.plist"
-    sources = gypi_paths2.includes_mac +
-              gypi_paths2.includes_common +
+    sources = includes_common +
+              includes_mac +
               gypi_paths2.includes_wrapper +
               gypi_paths2.includes_wrapper_mac +
               gypi_paths2.cefsimple_sources_common +
@@ -2044,8 +2100,8 @@ if (is_mac) {
     ]
 
     info_plist = "tests/ceftests/resources/mac/Info.plist"
-    sources = gypi_paths2.includes_mac +
-              gypi_paths2.includes_common +
+    sources = includes_common +
+              includes_mac +
               gypi_paths2.includes_wrapper +
               gypi_paths2.includes_wrapper_mac +
               gypi_paths2.shared_sources_browser +
@@ -2113,7 +2169,7 @@ if (is_mac) {
   }
 
   executable("cefclient") {
-    sources = gypi_paths2.includes_common +
+    sources = includes_common +
               gypi_paths2.includes_wrapper +
               gypi_paths2.shared_sources_browser +
               gypi_paths2.shared_sources_common +
@@ -2132,7 +2188,7 @@ if (is_mac) {
     ]
 
     if (is_win) {
-      sources += gypi_paths2.includes_win +
+      sources += includes_win +
                  gypi_paths2.shared_sources_win +
                  gypi_paths2.cefclient_sources_win
 
@@ -2167,7 +2223,7 @@ if (is_mac) {
     }
 
     if (is_linux) {
-      sources += gypi_paths2.includes_linux +
+      sources += includes_linux +
                  gypi_paths2.shared_sources_linux +
                  gypi_paths2.cefclient_sources_linux
 
@@ -2206,7 +2262,7 @@ if (is_mac) {
   #
 
   executable("cefsimple") {
-    sources = gypi_paths2.includes_common +
+    sources = includes_common +
               gypi_paths2.includes_wrapper +
               gypi_paths2.cefsimple_sources_common
 
@@ -2220,7 +2276,7 @@ if (is_mac) {
     ]
 
     if (is_win) {
-      sources += gypi_paths2.includes_win +
+      sources += includes_win +
                  gypi_paths2.cefsimple_sources_win
 
       # Set /SUBSYSTEM:WINDOWS.
@@ -2240,7 +2296,7 @@ if (is_mac) {
     }
 
     if (is_linux) {
-      sources += gypi_paths2.includes_linux +
+      sources += includes_linux +
                  gypi_paths2.cefsimple_sources_linux
 
       if (use_x11) {
@@ -2271,7 +2327,7 @@ if (is_mac) {
   executable("ceftests") {
     testonly = true
 
-    sources = gypi_paths2.includes_common +
+    sources = includes_common +
               gypi_paths2.includes_wrapper +
               gypi_paths2.shared_sources_browser +
               gypi_paths2.shared_sources_common +

CHROMIUM_BUILD_COMPATIBILITY.txt

@@ -7,5 +7,6 @@
 # https://bitbucket.org/chromiumembedded/cef/wiki/BranchesAndBuilding
 
 {
-  'chromium_checkout': 'refs/tags/81.0.4044.0'
+  'chromium_checkout': 'refs/tags/83.0.4103.106',
+  'depot_tools_checkout': 'fc5e103221'
 }

CHROMIUM_UPDATE.txt

@@ -57,7 +57,9 @@
     'content/shell/renderer/shell_*',
     'content/shell/utility/shell_*',
     'extensions/shell/*',
+    'net/base/features.cc',
     'net/cookies/cookie_store.h',
+    'services/network/public/cpp/features.cc',
     'ui/base/ui_base_features.cc',
   ],
   # Patterns that should not be found in the chromium/src directory after

cef_paths.gypi

@@ -8,7 +8,7 @@
 # by hand. See the translator.README.txt file in the tools directory for
 # more information.
 #
-# $hash=98198bc4243deb46c848735f0d5499aa4891e535$
+# $hash=72268a78a76d7d91b8ad47f6b6e9f6d9cb04d9cf$
 #
 
 {
@@ -16,6 +16,7 @@
     'autogen_cpp_includes': [
       'include/cef_accessibility_handler.h',
       'include/cef_app.h',
+      'include/cef_audio_handler.h',
       'include/cef_auth_callback.h',
       'include/cef_browser.h',
       'include/cef_browser_process_handler.h',
@@ -25,6 +26,7 @@
       'include/cef_context_menu_handler.h',
       'include/cef_cookie.h',
       'include/cef_crash_util.h',
+      'include/cef_devtools_message_observer.h',
       'include/cef_dialog_handler.h',
       'include/cef_display_handler.h',
       'include/cef_dom.h',
@@ -43,6 +45,7 @@
       'include/cef_keyboard_handler.h',
       'include/cef_life_span_handler.h',
       'include/cef_load_handler.h',
+      'include/cef_media_router.h',
       'include/cef_menu_model.h',
       'include/cef_menu_model_delegate.h',
       'include/cef_navigation_entry.h',
@@ -53,6 +56,7 @@
       'include/cef_print_settings.h',
       'include/cef_process_message.h',
       'include/cef_process_util.h',
+      'include/cef_registration.h',
       'include/cef_render_handler.h',
       'include/cef_render_process_handler.h',
       'include/cef_request.h',
@@ -109,6 +113,7 @@
     'autogen_capi_includes': [
       'include/capi/cef_accessibility_handler_capi.h',
       'include/capi/cef_app_capi.h',
+      'include/capi/cef_audio_handler_capi.h',
       'include/capi/cef_auth_callback_capi.h',
       'include/capi/cef_browser_capi.h',
       'include/capi/cef_browser_process_handler_capi.h',
@@ -118,6 +123,7 @@
       'include/capi/cef_context_menu_handler_capi.h',
       'include/capi/cef_cookie_capi.h',
       'include/capi/cef_crash_util_capi.h',
+      'include/capi/cef_devtools_message_observer_capi.h',
       'include/capi/cef_dialog_handler_capi.h',
       'include/capi/cef_display_handler_capi.h',
       'include/capi/cef_dom_capi.h',
@@ -136,6 +142,7 @@
       'include/capi/cef_keyboard_handler_capi.h',
       'include/capi/cef_life_span_handler_capi.h',
       'include/capi/cef_load_handler_capi.h',
+      'include/capi/cef_media_router_capi.h',
       'include/capi/cef_menu_model_capi.h',
       'include/capi/cef_menu_model_delegate_capi.h',
       'include/capi/cef_navigation_entry_capi.h',
@@ -146,6 +153,7 @@
       'include/capi/cef_print_settings_capi.h',
       'include/capi/cef_process_message_capi.h',
       'include/capi/cef_process_util_capi.h',
+      'include/capi/cef_registration_capi.h',
       'include/capi/cef_render_handler_capi.h',
       'include/capi/cef_render_process_handler_capi.h',
       'include/capi/cef_request_capi.h',
@@ -204,6 +212,8 @@
       'libcef_dll/ctocpp/accessibility_handler_ctocpp.h',
       'libcef_dll/ctocpp/app_ctocpp.cc',
       'libcef_dll/ctocpp/app_ctocpp.h',
+      'libcef_dll/ctocpp/audio_handler_ctocpp.cc',
+      'libcef_dll/ctocpp/audio_handler_ctocpp.h',
       'libcef_dll/cpptoc/auth_callback_cpptoc.cc',
       'libcef_dll/cpptoc/auth_callback_cpptoc.h',
       'libcef_dll/cpptoc/before_download_callback_cpptoc.cc',
@@ -252,6 +262,8 @@
       'libcef_dll/ctocpp/domvisitor_ctocpp.h',
       'libcef_dll/ctocpp/delete_cookies_callback_ctocpp.cc',
       'libcef_dll/ctocpp/delete_cookies_callback_ctocpp.h',
+      'libcef_dll/ctocpp/dev_tools_message_observer_ctocpp.cc',
+      'libcef_dll/ctocpp/dev_tools_message_observer_ctocpp.h',
       'libcef_dll/ctocpp/dialog_handler_ctocpp.cc',
       'libcef_dll/ctocpp/dialog_handler_ctocpp.h',
       'libcef_dll/cpptoc/dictionary_value_cpptoc.cc',
@@ -308,6 +320,20 @@
       'libcef_dll/cpptoc/list_value_cpptoc.h',
       'libcef_dll/ctocpp/load_handler_ctocpp.cc',
       'libcef_dll/ctocpp/load_handler_ctocpp.h',
+      'libcef_dll/ctocpp/media_observer_ctocpp.cc',
+      'libcef_dll/ctocpp/media_observer_ctocpp.h',
+      'libcef_dll/cpptoc/media_route_cpptoc.cc',
+      'libcef_dll/cpptoc/media_route_cpptoc.h',
+      'libcef_dll/ctocpp/media_route_create_callback_ctocpp.cc',
+      'libcef_dll/ctocpp/media_route_create_callback_ctocpp.h',
+      'libcef_dll/cpptoc/media_router_cpptoc.cc',
+      'libcef_dll/cpptoc/media_router_cpptoc.h',
+      'libcef_dll/cpptoc/media_sink_cpptoc.cc',
+      'libcef_dll/cpptoc/media_sink_cpptoc.h',
+      'libcef_dll/ctocpp/media_sink_device_info_callback_ctocpp.cc',
+      'libcef_dll/ctocpp/media_sink_device_info_callback_ctocpp.h',
+      'libcef_dll/cpptoc/media_source_cpptoc.cc',
+      'libcef_dll/cpptoc/media_source_cpptoc.h',
       'libcef_dll/cpptoc/views/menu_button_cpptoc.cc',
       'libcef_dll/cpptoc/views/menu_button_cpptoc.h',
       'libcef_dll/ctocpp/views/menu_button_delegate_ctocpp.cc',
@@ -346,6 +372,8 @@
       'libcef_dll/ctocpp/read_handler_ctocpp.h',
       'libcef_dll/ctocpp/register_cdm_callback_ctocpp.cc',
       'libcef_dll/ctocpp/register_cdm_callback_ctocpp.h',
+      'libcef_dll/cpptoc/registration_cpptoc.cc',
+      'libcef_dll/cpptoc/registration_cpptoc.h',
       'libcef_dll/ctocpp/render_handler_ctocpp.cc',
       'libcef_dll/ctocpp/render_handler_ctocpp.h',
       'libcef_dll/ctocpp/render_process_handler_ctocpp.cc',
@@ -494,6 +522,8 @@
       'libcef_dll/cpptoc/accessibility_handler_cpptoc.h',
       'libcef_dll/cpptoc/app_cpptoc.cc',
       'libcef_dll/cpptoc/app_cpptoc.h',
+      'libcef_dll/cpptoc/audio_handler_cpptoc.cc',
+      'libcef_dll/cpptoc/audio_handler_cpptoc.h',
       'libcef_dll/ctocpp/auth_callback_ctocpp.cc',
       'libcef_dll/ctocpp/auth_callback_ctocpp.h',
       'libcef_dll/ctocpp/before_download_callback_ctocpp.cc',
@@ -542,6 +572,8 @@
       'libcef_dll/cpptoc/domvisitor_cpptoc.h',
       'libcef_dll/cpptoc/delete_cookies_callback_cpptoc.cc',
       'libcef_dll/cpptoc/delete_cookies_callback_cpptoc.h',
+      'libcef_dll/cpptoc/dev_tools_message_observer_cpptoc.cc',
+      'libcef_dll/cpptoc/dev_tools_message_observer_cpptoc.h',
       'libcef_dll/cpptoc/dialog_handler_cpptoc.cc',
       'libcef_dll/cpptoc/dialog_handler_cpptoc.h',
       'libcef_dll/ctocpp/dictionary_value_ctocpp.cc',
@@ -598,6 +630,20 @@
       'libcef_dll/ctocpp/list_value_ctocpp.h',
       'libcef_dll/cpptoc/load_handler_cpptoc.cc',
       'libcef_dll/cpptoc/load_handler_cpptoc.h',
+      'libcef_dll/cpptoc/media_observer_cpptoc.cc',
+      'libcef_dll/cpptoc/media_observer_cpptoc.h',
+      'libcef_dll/ctocpp/media_route_ctocpp.cc',
+      'libcef_dll/ctocpp/media_route_ctocpp.h',
+      'libcef_dll/cpptoc/media_route_create_callback_cpptoc.cc',
+      'libcef_dll/cpptoc/media_route_create_callback_cpptoc.h',
+      'libcef_dll/ctocpp/media_router_ctocpp.cc',
+      'libcef_dll/ctocpp/media_router_ctocpp.h',
+      'libcef_dll/ctocpp/media_sink_ctocpp.cc',
+      'libcef_dll/ctocpp/media_sink_ctocpp.h',
+      'libcef_dll/cpptoc/media_sink_device_info_callback_cpptoc.cc',
+      'libcef_dll/cpptoc/media_sink_device_info_callback_cpptoc.h',
+      'libcef_dll/ctocpp/media_source_ctocpp.cc',
+      'libcef_dll/ctocpp/media_source_ctocpp.h',
       'libcef_dll/ctocpp/views/menu_button_ctocpp.cc',
       'libcef_dll/ctocpp/views/menu_button_ctocpp.h',
       'libcef_dll/cpptoc/views/menu_button_delegate_cpptoc.cc',
@@ -636,6 +682,8 @@
       'libcef_dll/cpptoc/read_handler_cpptoc.h',
       'libcef_dll/cpptoc/register_cdm_callback_cpptoc.cc',
       'libcef_dll/cpptoc/register_cdm_callback_cpptoc.h',
+      'libcef_dll/ctocpp/registration_ctocpp.cc',
+      'libcef_dll/ctocpp/registration_ctocpp.h',
       'libcef_dll/cpptoc/render_handler_cpptoc.cc',
       'libcef_dll/cpptoc/render_handler_cpptoc.h',
       'libcef_dll/cpptoc/render_process_handler_cpptoc.cc',

cef_paths2.gypi

@@ -39,19 +39,21 @@
       'include/cef_config.h',
       'include/cef_version.h',
       'include/internal/cef_export.h',
-      'include/internal/cef_logging_internal.h',
       'include/internal/cef_ptr.h',
+      'include/internal/cef_string_wrappers.h',
+      'include/internal/cef_types_wrappers.h',
+    ],
+    'includes_common_capi': [
+      'include/internal/cef_logging_internal.h',
       'include/internal/cef_string.h',
       'include/internal/cef_string_list.h',
       'include/internal/cef_string_map.h',
       'include/internal/cef_string_multimap.h',
       'include/internal/cef_string_types.h',
-      'include/internal/cef_string_wrappers.h',
       'include/internal/cef_thread_internal.h',
       'include/internal/cef_time.h',
       'include/internal/cef_trace_event_internal.h',
       'include/internal/cef_types.h',
-      'include/internal/cef_types_wrappers.h',
     ],
     'includes_capi': [
       'include/capi/cef_base_capi.h',
@@ -75,15 +77,19 @@
       'include/base/internal/cef_atomicops_x86_msvc.h',
       'include/base/internal/cef_bind_internal_win.h',
       'include/cef_sandbox_win.h',
-      'include/internal/cef_types_win.h',
       'include/internal/cef_win.h',
     ],
+    'includes_win_capi': [
+      'include/internal/cef_types_win.h',
+    ],
     'includes_mac': [
       'include/base/internal/cef_atomicops_atomicword_compat.h',
       'include/base/internal/cef_atomicops_mac.h',
       'include/cef_application_mac.h',
       'include/cef_sandbox_mac.h',
       'include/internal/cef_mac.h',
+    ],
+    'includes_mac_capi': [
       'include/internal/cef_types_mac.h',
     ],
     'includes_linux': [
@@ -92,6 +98,8 @@
       'include/base/internal/cef_atomicops_arm64_gcc.h',
       'include/base/internal/cef_atomicops_x86_gcc.h',
       'include/internal/cef_linux.h',
+    ],
+    'includes_linux_capi': [
       'include/internal/cef_types_linux.h',
     ],
     'libcef_sources_common': [
@@ -238,6 +246,8 @@
       'tests/cefclient/browser/main_context.h',
       'tests/cefclient/browser/main_context_impl.cc',
       'tests/cefclient/browser/main_context_impl.h',
+      'tests/cefclient/browser/media_router_test.cc',
+      'tests/cefclient/browser/media_router_test.h',
       'tests/cefclient/browser/osr_dragdrop_events.h',
       'tests/cefclient/browser/osr_renderer.h',
       'tests/cefclient/browser/osr_renderer.cc',
@@ -287,6 +297,7 @@
       'tests/cefclient/resources/drm.html',
       'tests/cefclient/resources/localstorage.html',
       'tests/cefclient/resources/logo.png',
+      'tests/cefclient/resources/media_router.html',
       'tests/cefclient/resources/menu_icon.1x.png',
       'tests/cefclient/resources/menu_icon.2x.png',
       'tests/cefclient/resources/other_tests.html',
@@ -455,9 +466,11 @@
       'tests/cefsimple/simple_handler_linux.cc',
     ],
     'ceftests_sources_common': [
+      'tests/ceftests/audio_output_unittest.cc',
       'tests/ceftests/browser_info_map_unittest.cc',
       'tests/ceftests/command_line_unittest.cc',
       'tests/ceftests/cookie_unittest.cc',
+      'tests/ceftests/devtools_message_unittest.cc',
       'tests/ceftests/dialog_unittest.cc',
       'tests/ceftests/display_unittest.cc',
       'tests/ceftests/dom_unittest.cc',
@@ -554,6 +567,7 @@
       'tests/shared/browser/resource_util.h',
       'tests/shared/browser/resource_util_mac.mm',
       'tests/shared/browser/resource_util_posix.cc',
+      'tests/ceftests/audio_output_unittest.cc',
       'tests/ceftests/client_app_delegates.cc',
       'tests/ceftests/cookie_unittest.cc',
       'tests/ceftests/dom_unittest.cc',

include/capi/cef_audio_handler_capi.h

@@ -0,0 +1,121 @@
+// Copyright (c) 2020 Marshall A. Greenblatt. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the name Chromium Embedded
+// Framework nor the names of its contributors may be used to endorse
+// or promote products derived from this software without specific prior
+// written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// ---------------------------------------------------------------------------
+//
+// This file was generated by the CEF translator tool and should not edited
+// by hand. See the translator.README.txt file in the tools directory for
+// more information.
+//
+// $hash=430877d950508a545d0baa18c8c8c0d2d183fec4$
+//
+
+#ifndef CEF_INCLUDE_CAPI_CEF_AUDIO_HANDLER_CAPI_H_
+#define CEF_INCLUDE_CAPI_CEF_AUDIO_HANDLER_CAPI_H_
+#pragma once
+
+#include "include/capi/cef_base_capi.h"
+#include "include/capi/cef_browser_capi.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+///
+// Implement this structure to handle audio events.
+///
+typedef struct _cef_audio_handler_t {
+  ///
+  // Base structure.
+  ///
+  cef_base_ref_counted_t base;
+
+  ///
+  // Called on the UI thread to allow configuration of audio stream parameters.
+  // Return true (1) to proceed with audio stream capture, or false (0) to
+  // cancel it. All members of |params| can optionally be configured here, but
+  // they are also pre-filled with some sensible defaults.
+  ///
+  int(CEF_CALLBACK* get_audio_parameters)(struct _cef_audio_handler_t* self,
+                                          struct _cef_browser_t* browser,
+                                          cef_audio_parameters_t* params);
+
+  ///
+  // Called on a browser audio capture thread when the browser starts streaming
+  // audio. OnAudioSteamStopped will always be called after
+  // OnAudioStreamStarted; both functions may be called multiple times for the
+  // same browser. |params| contains the audio parameters like sample rate and
+  // channel layout. |channels| is the number of channels.
+  ///
+  void(CEF_CALLBACK* on_audio_stream_started)(
+      struct _cef_audio_handler_t* self,
+      struct _cef_browser_t* browser,
+      const cef_audio_parameters_t* params,
+      int channels);
+
+  ///
+  // Called on the audio stream thread when a PCM packet is received for the
+  // stream. |data| is an array representing the raw PCM data as a floating
+  // point type, i.e. 4-byte value(s). |frames| is the number of frames in the
+  // PCM packet. |pts| is the presentation timestamp (in milliseconds since the
+  // Unix Epoch) and represents the time at which the decompressed packet should
+  // be presented to the user. Based on |frames| and the |channel_layout| value
+  // passed to OnAudioStreamStarted you can calculate the size of the |data|
+  // array in bytes.
+  ///
+  void(CEF_CALLBACK* on_audio_stream_packet)(struct _cef_audio_handler_t* self,
+                                             struct _cef_browser_t* browser,
+                                             const float** data,
+                                             int frames,
+                                             int64 pts);
+
+  ///
+  // Called on the UI thread when the stream has stopped. OnAudioSteamStopped
+  // will always be called after OnAudioStreamStarted; both functions may be
+  // called multiple times for the same stream.
+  ///
+  void(CEF_CALLBACK* on_audio_stream_stopped)(struct _cef_audio_handler_t* self,
+                                              struct _cef_browser_t* browser);
+
+  ///
+  // Called on the UI or audio stream thread when an error occurred. During the
+  // stream creation phase this callback will be called on the UI thread while
+  // in the capturing phase it will be called on the audio stream thread. The
+  // stream will be stopped immediately.
+  ///
+  void(CEF_CALLBACK* on_audio_stream_error)(struct _cef_audio_handler_t* self,
+                                            struct _cef_browser_t* browser,
+                                            const cef_string_t* message);
+} cef_audio_handler_t;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  // CEF_INCLUDE_CAPI_CEF_AUDIO_HANDLER_CAPI_H_

include/capi/cef_browser_capi.h

@@ -33,7 +33,7 @@
 // by hand. See the translator.README.txt file in the tools directory for
 // more information.
 //
-// $hash=ba4033eaf40a8ee24408b89b78496bf1381e7e6b$
+// $hash=6cb00a0fa3631a46903abb3a783f315895511db2$
 //
 
 #ifndef CEF_INCLUDE_CAPI_CEF_BROWSER_CAPI_H_
@@ -41,10 +41,12 @@
 #pragma once
 
 #include "include/capi/cef_base_capi.h"
+#include "include/capi/cef_devtools_message_observer_capi.h"
 #include "include/capi/cef_drag_data_capi.h"
 #include "include/capi/cef_frame_capi.h"
 #include "include/capi/cef_image_capi.h"
 #include "include/capi/cef_navigation_entry_capi.h"
+#include "include/capi/cef_registration_capi.h"
 #include "include/capi/cef_request_context_capi.h"
 
 #ifdef __cplusplus
@@ -484,6 +486,71 @@ typedef struct _cef_browser_host_t {
   ///
   int(CEF_CALLBACK* has_dev_tools)(struct _cef_browser_host_t* self);
 
+  ///
+  // Send a function call message over the DevTools protocol. |message| must be
+  // a UTF8-encoded JSON dictionary that contains "id" (int), "function"
+  // (string) and "params" (dictionary, optional) values. See the DevTools
+  // protocol documentation at https://chromedevtools.github.io/devtools-
+  // protocol/ for details of supported functions and the expected "params"
+  // dictionary contents. |message| will be copied if necessary. This function
+  // will return true (1) if called on the UI thread and the message was
+  // successfully submitted for validation, otherwise false (0). Validation will
+  // be applied asynchronously and any messages that fail due to formatting
+  // errors or missing parameters may be discarded without notification. Prefer
+  // ExecuteDevToolsMethod if a more structured approach to message formatting
+  // is desired.
+  //
+  // Every valid function call will result in an asynchronous function result or
+  // error message that references the sent message "id". Event messages are
+  // received while notifications are enabled (for example, between function
+  // calls for "Page.enable" and "Page.disable"). All received messages will be
+  // delivered to the observer(s) registered with AddDevToolsMessageObserver.
+  // See cef_dev_tools_message_observer_t::OnDevToolsMessage documentation for
+  // details of received message contents.
+  //
+  // Usage of the SendDevToolsMessage, ExecuteDevToolsMethod and
+  // AddDevToolsMessageObserver functions does not require an active DevTools
+  // front-end or remote-debugging session. Other active DevTools sessions will
+  // continue to function independently. However, any modification of global
+  // browser state by one session may not be reflected in the UI of other
+  // sessions.
+  //
+  // Communication with the DevTools front-end (when displayed) can be logged
+  // for development purposes by passing the `--devtools-protocol-log-
+  // file=<path>` command-line flag.
+  ///
+  int(CEF_CALLBACK* send_dev_tools_message)(struct _cef_browser_host_t* self,
+                                            const void* message,
+                                            size_t message_size);
+
+  ///
+  // Execute a function call over the DevTools protocol. This is a more
+  // structured version of SendDevToolsMessage. |message_id| is an incremental
+  // number that uniquely identifies the message (pass 0 to have the next number
+  // assigned automatically based on previous values). |function| is the
+  // function name. |params| are the function parameters, which may be NULL. See
+  // the DevTools protocol documentation (linked above) for details of supported
+  // functions and the expected |params| dictionary contents. This function will
+  // return the assigned message ID if called on the UI thread and the message
+  // was successfully submitted for validation, otherwise 0. See the
+  // SendDevToolsMessage documentation for additional usage information.
+  ///
+  int(CEF_CALLBACK* execute_dev_tools_method)(
+      struct _cef_browser_host_t* self,
+      int message_id,
+      const cef_string_t* method,
+      struct _cef_dictionary_value_t* params);
+
+  ///
+  // Add an observer for DevTools protocol messages (function results and
+  // events). The observer will remain registered until the returned
+  // Registration object is destroyed. See the SendDevToolsMessage documentation
+  // for additional usage information.
+  ///
+  struct _cef_registration_t*(CEF_CALLBACK* add_dev_tools_message_observer)(
+      struct _cef_browser_host_t* self,
+      struct _cef_dev_tools_message_observer_t* observer);
+
   ///
   // Retrieve a snapshot of current navigation entries as values sent to the
   // specified visitor. If |current_only| is true (1) only the current

include/capi/cef_client_capi.h

@@ -33,13 +33,14 @@
 // by hand. See the translator.README.txt file in the tools directory for
 // more information.
 //
-// $hash=6a0312765614a697d56e87c8503afba8404bb08b$
+// $hash=8d4cb3e0bbf230804c93898daa4a8b2866a2c1ce$
 //
 
 #ifndef CEF_INCLUDE_CAPI_CEF_CLIENT_CAPI_H_
 #define CEF_INCLUDE_CAPI_CEF_CLIENT_CAPI_H_
 #pragma once
 
+#include "include/capi/cef_audio_handler_capi.h"
 #include "include/capi/cef_base_capi.h"
 #include "include/capi/cef_context_menu_handler_capi.h"
 #include "include/capi/cef_dialog_handler_capi.h"
@@ -69,6 +70,12 @@ typedef struct _cef_client_t {
   ///
   cef_base_ref_counted_t base;
 
+  ///
+  // Return the handler for audio rendering events.
+  ///
+  struct _cef_audio_handler_t*(CEF_CALLBACK* get_audio_handler)(
+      struct _cef_client_t* self);
+
   ///
   // Return the handler for context menus. If no handler is provided the default
   // implementation will be used.

include/capi/cef_devtools_message_observer_capi.h

@@ -0,0 +1,147 @@
+// Copyright (c) 2020 Marshall A. Greenblatt. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the name Chromium Embedded
+// Framework nor the names of its contributors may be used to endorse
+// or promote products derived from this software without specific prior
+// written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// ---------------------------------------------------------------------------
+//
+// This file was generated by the CEF translator tool and should not edited
+// by hand. See the translator.README.txt file in the tools directory for
+// more information.
+//
+// $hash=86906c2e971fea7e479738f59bbf85d71ce31953$
+//
+
+#ifndef CEF_INCLUDE_CAPI_CEF_DEVTOOLS_MESSAGE_OBSERVER_CAPI_H_
+#define CEF_INCLUDE_CAPI_CEF_DEVTOOLS_MESSAGE_OBSERVER_CAPI_H_
+#pragma once
+
+#include "include/capi/cef_base_capi.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct _cef_browser_t;
+
+///
+// Callback structure for cef_browser_host_t::AddDevToolsMessageObserver. The
+// functions of this structure will be called on the browser process UI thread.
+///
+typedef struct _cef_dev_tools_message_observer_t {
+  ///
+  // Base structure.
+  ///
+  cef_base_ref_counted_t base;
+
+  ///
+  // Method that will be called on receipt of a DevTools protocol message.
+  // |browser| is the originating browser instance. |message| is a UTF8-encoded
+  // JSON dictionary representing either a function result or an event.
+  // |message| is only valid for the scope of this callback and should be copied
+  // if necessary. Return true (1) if the message was handled or false (0) if
+  // the message should be further processed and passed to the
+  // OnDevToolsMethodResult or OnDevToolsEvent functions as appropriate.
+  //
+  // Method result dictionaries include an "id" (int) value that identifies the
+  // orginating function call sent from cef_browser_host_t::SendDevToolsMessage,
+  // and optionally either a "result" (dictionary) or "error" (dictionary)
+  // value. The "error" dictionary will contain "code" (int) and "message"
+  // (string) values. Event dictionaries include a "function" (string) value and
+  // optionally a "params" (dictionary) value. See the DevTools protocol
+  // documentation at https://chromedevtools.github.io/devtools-protocol/ for
+  // details of supported function calls and the expected "result" or "params"
+  // dictionary contents. JSON dictionaries can be parsed using the CefParseJSON
+  // function if desired, however be aware of performance considerations when
+  // parsing large messages (some of which may exceed 1MB in size).
+  ///
+  int(CEF_CALLBACK* on_dev_tools_message)(
+      struct _cef_dev_tools_message_observer_t* self,
+      struct _cef_browser_t* browser,
+      const void* message,
+      size_t message_size);
+
+  ///
+  // Method that will be called after attempted execution of a DevTools protocol
+  // function. |browser| is the originating browser instance. |message_id| is
+  // the "id" value that identifies the originating function call message. If
+  // the function succeeded |success| will be true (1) and |result| will be the
+  // UTF8-encoded JSON "result" dictionary value (which may be NULL). If the
+  // function failed |success| will be false (0) and |result| will be the
+  // UTF8-encoded JSON "error" dictionary value. |result| is only valid for the
+  // scope of this callback and should be copied if necessary. See the
+  // OnDevToolsMessage documentation for additional details on |result|
+  // contents.
+  ///
+  void(CEF_CALLBACK* on_dev_tools_method_result)(
+      struct _cef_dev_tools_message_observer_t* self,
+      struct _cef_browser_t* browser,
+      int message_id,
+      int success,
+      const void* result,
+      size_t result_size);
+
+  ///
+  // Method that will be called on receipt of a DevTools protocol event.
+  // |browser| is the originating browser instance. |function| is the "function"
+  // value. |params| is the UTF8-encoded JSON "params" dictionary value (which
+  // may be NULL). |params| is only valid for the scope of this callback and
+  // should be copied if necessary. See the OnDevToolsMessage documentation for
+  // additional details on |params| contents.
+  ///
+  void(CEF_CALLBACK* on_dev_tools_event)(
+      struct _cef_dev_tools_message_observer_t* self,
+      struct _cef_browser_t* browser,
+      const cef_string_t* method,
+      const void* params,
+      size_t params_size);
+
+  ///
+  // Method that will be called when the DevTools agent has attached. |browser|
+  // is the originating browser instance. This will generally occur in response
+  // to the first message sent while the agent is detached.
+  ///
+  void(CEF_CALLBACK* on_dev_tools_agent_attached)(
+      struct _cef_dev_tools_message_observer_t* self,
+      struct _cef_browser_t* browser);
+
+  ///
+  // Method that will be called when the DevTools agent has detached. |browser|
+  // is the originating browser instance. Any function results that were pending
+  // before the agent became detached will not be delivered, and any active
+  // event subscriptions will be canceled.
+  ///
+  void(CEF_CALLBACK* on_dev_tools_agent_detached)(
+      struct _cef_dev_tools_message_observer_t* self,
+      struct _cef_browser_t* browser);
+} cef_dev_tools_message_observer_t;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  // CEF_INCLUDE_CAPI_CEF_DEVTOOLS_MESSAGE_OBSERVER_CAPI_H_

include/capi/cef_media_router_capi.h

@@ -0,0 +1,355 @@
+// Copyright (c) 2020 Marshall A. Greenblatt. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the name Chromium Embedded
+// Framework nor the names of its contributors may be used to endorse
+// or promote products derived from this software without specific prior
+// written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// ---------------------------------------------------------------------------
+//
+// This file was generated by the CEF translator tool and should not edited
+// by hand. See the translator.README.txt file in the tools directory for
+// more information.
+//
+// $hash=9d5077fdb3fe7fa0ff1141f839988ac821eba4bf$
+//
+
+#ifndef CEF_INCLUDE_CAPI_CEF_MEDIA_ROUTER_CAPI_H_
+#define CEF_INCLUDE_CAPI_CEF_MEDIA_ROUTER_CAPI_H_
+#pragma once
+
+#include "include/capi/cef_base_capi.h"
+#include "include/capi/cef_registration_capi.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct _cef_media_observer_t;
+struct _cef_media_route_create_callback_t;
+struct _cef_media_route_t;
+struct _cef_media_sink_device_info_callback_t;
+struct _cef_media_sink_t;
+struct _cef_media_source_t;
+
+///
+// Supports discovery of and communication with media devices on the local
+// network via the Cast and DIAL protocols. The functions of this structure may
+// be called on any browser process thread unless otherwise indicated.
+///
+typedef struct _cef_media_router_t {
+  ///
+  // Base structure.
+  ///
+  cef_base_ref_counted_t base;
+
+  ///
+  // Add an observer for MediaRouter events. The observer will remain registered
+  // until the returned Registration object is destroyed.
+  ///
+  struct _cef_registration_t*(CEF_CALLBACK* add_observer)(
+      struct _cef_media_router_t* self,
+      struct _cef_media_observer_t* observer);
+
+  ///
+  // Returns a MediaSource object for the specified media source URN. Supported
+  // URN schemes include "cast:" and "dial:", and will be already known by the
+  // client application (e.g. "cast:<appId>?clientId=<clientId>").
+  ///
+  struct _cef_media_source_t*(CEF_CALLBACK* get_source)(
+      struct _cef_media_router_t* self,
+      const cef_string_t* urn);
+
+  ///
+  // Trigger an asynchronous call to cef_media_observer_t::OnSinks on all
+  // registered observers.
+  ///
+  void(CEF_CALLBACK* notify_current_sinks)(struct _cef_media_router_t* self);
+
+  ///
+  // Create a new route between |source| and |sink|. Source and sink must be
+  // valid, compatible (as reported by cef_media_sink_t::IsCompatibleWith), and
+  // a route between them must not already exist. |callback| will be executed on
+  // success or failure. If route creation succeeds it will also trigger an
+  // asynchronous call to cef_media_observer_t::OnRoutes on all registered
+  // observers.
+  ///
+  void(CEF_CALLBACK* create_route)(
+      struct _cef_media_router_t* self,
+      struct _cef_media_source_t* source,
+      struct _cef_media_sink_t* sink,
+      struct _cef_media_route_create_callback_t* callback);
+
+  ///
+  // Trigger an asynchronous call to cef_media_observer_t::OnRoutes on all
+  // registered observers.
+  ///
+  void(CEF_CALLBACK* notify_current_routes)(struct _cef_media_router_t* self);
+} cef_media_router_t;
+
+///
+// Returns the MediaRouter object associated with the global request context.
+// Equivalent to calling cef_request_context_t::cef_request_context_get_global_c
+// ontext()->get_media_router().
+///
+CEF_EXPORT cef_media_router_t* cef_media_router_get_global();
+
+///
+// Implemented by the client to observe MediaRouter events and registered via
+// cef_media_router_t::AddObserver. The functions of this structure will be
+// called on the browser process UI thread.
+///
+typedef struct _cef_media_observer_t {
+  ///
+  // Base structure.
+  ///
+  cef_base_ref_counted_t base;
+
+  ///
+  // The list of available media sinks has changed or
+  // cef_media_router_t::NotifyCurrentSinks was called.
+  ///
+  void(CEF_CALLBACK* on_sinks)(struct _cef_media_observer_t* self,
+                               size_t sinksCount,
+                               struct _cef_media_sink_t* const* sinks);
+
+  ///
+  // The list of available media routes has changed or
+  // cef_media_router_t::NotifyCurrentRoutes was called.
+  ///
+  void(CEF_CALLBACK* on_routes)(struct _cef_media_observer_t* self,
+                                size_t routesCount,
+                                struct _cef_media_route_t* const* routes);
+
+  ///
+  // The connection state of |route| has changed.
+  ///
+  void(CEF_CALLBACK* on_route_state_changed)(
+      struct _cef_media_observer_t* self,
+      struct _cef_media_route_t* route,
+      cef_media_route_connection_state_t state);
+
+  ///
+  // A message was recieved over |route|. |message| is only valid for the scope
+  // of this callback and should be copied if necessary.
+  ///
+  void(CEF_CALLBACK* on_route_message_received)(
+      struct _cef_media_observer_t* self,
+      struct _cef_media_route_t* route,
+      const void* message,
+      size_t message_size);
+} cef_media_observer_t;
+
+///
+// Represents the route between a media source and sink. Instances of this
+// object are created via cef_media_router_t::CreateRoute and retrieved via
+// cef_media_observer_t::OnRoutes. Contains the status and metadata of a routing
+// operation. The functions of this structure may be called on any browser
+// process thread unless otherwise indicated.
+///
+typedef struct _cef_media_route_t {
+  ///
+  // Base structure.
+  ///
+  cef_base_ref_counted_t base;
+
+  ///
+  // Returns the ID for this route.
+  ///
+  // The resulting string must be freed by calling cef_string_userfree_free().
+  cef_string_userfree_t(CEF_CALLBACK* get_id)(struct _cef_media_route_t* self);
+
+  ///
+  // Returns the source associated with this route.
+  ///
+  struct _cef_media_source_t*(CEF_CALLBACK* get_source)(
+      struct _cef_media_route_t* self);
+
+  ///
+  // Returns the sink associated with this route.
+  ///
+  struct _cef_media_sink_t*(CEF_CALLBACK* get_sink)(
+      struct _cef_media_route_t* self);
+
+  ///
+  // Send a message over this route. |message| will be copied if necessary.
+  ///
+  void(CEF_CALLBACK* send_route_message)(struct _cef_media_route_t* self,
+                                         const void* message,
+                                         size_t message_size);
+
+  ///
+  // Terminate this route. Will result in an asynchronous call to
+  // cef_media_observer_t::OnRoutes on all registered observers.
+  ///
+  void(CEF_CALLBACK* terminate)(struct _cef_media_route_t* self);
+} cef_media_route_t;
+
+///
+// Callback structure for cef_media_router_t::CreateRoute. The functions of this
+// structure will be called on the browser process UI thread.
+///
+typedef struct _cef_media_route_create_callback_t {
+  ///
+  // Base structure.
+  ///
+  cef_base_ref_counted_t base;
+
+  ///
+  // Method that will be executed when the route creation has finished. |result|
+  // will be CEF_MRCR_OK if the route creation succeeded. |error| will be a
+  // description of the error if the route creation failed. |route| is the
+  // resulting route, or NULL if the route creation failed.
+  ///
+  void(CEF_CALLBACK* on_media_route_create_finished)(
+      struct _cef_media_route_create_callback_t* self,
+      cef_media_route_create_result_t result,
+      const cef_string_t* error,
+      struct _cef_media_route_t* route);
+} cef_media_route_create_callback_t;
+
+///
+// Represents a sink to which media can be routed. Instances of this object are
+// retrieved via cef_media_observer_t::OnSinks. The functions of this structure
+// may be called on any browser process thread unless otherwise indicated.
+///
+typedef struct _cef_media_sink_t {
+  ///
+  // Base structure.
+  ///
+  cef_base_ref_counted_t base;
+
+  ///
+  // Returns the ID for this sink.
+  ///
+  // The resulting string must be freed by calling cef_string_userfree_free().
+  cef_string_userfree_t(CEF_CALLBACK* get_id)(struct _cef_media_sink_t* self);
+
+  ///
+  // Returns true (1) if this sink is valid.
+  ///
+  int(CEF_CALLBACK* is_valid)(struct _cef_media_sink_t* self);
+
+  ///
+  // Returns the name of this sink.
+  ///
+  // The resulting string must be freed by calling cef_string_userfree_free().
+  cef_string_userfree_t(CEF_CALLBACK* get_name)(struct _cef_media_sink_t* self);
+
+  ///
+  // Returns the description of this sink.
+  ///
+  // The resulting string must be freed by calling cef_string_userfree_free().
+  cef_string_userfree_t(CEF_CALLBACK* get_description)(
+      struct _cef_media_sink_t* self);
+
+  ///
+  // Returns the icon type for this sink.
+  ///
+  cef_media_sink_icon_type_t(CEF_CALLBACK* get_icon_type)(
+      struct _cef_media_sink_t* self);
+
+  ///
+  // Asynchronously retrieves device info.
+  ///
+  void(CEF_CALLBACK* get_device_info)(
+      struct _cef_media_sink_t* self,
+      struct _cef_media_sink_device_info_callback_t* callback);
+
+  ///
+  // Returns true (1) if this sink accepts content via Cast.
+  ///
+  int(CEF_CALLBACK* is_cast_sink)(struct _cef_media_sink_t* self);
+
+  ///
+  // Returns true (1) if this sink accepts content via DIAL.
+  ///
+  int(CEF_CALLBACK* is_dial_sink)(struct _cef_media_sink_t* self);
+
+  ///
+  // Returns true (1) if this sink is compatible with |source|.
+  ///
+  int(CEF_CALLBACK* is_compatible_with)(struct _cef_media_sink_t* self,
+                                        struct _cef_media_source_t* source);
+} cef_media_sink_t;
+
+///
+// Callback structure for cef_media_sink_t::GetDeviceInfo. The functions of this
+// structure will be called on the browser process UI thread.
+///
+typedef struct _cef_media_sink_device_info_callback_t {
+  ///
+  // Base structure.
+  ///
+  cef_base_ref_counted_t base;
+
+  ///
+  // Method that will be executed asyncronously once device information has been
+  // retrieved.
+  ///
+  void(CEF_CALLBACK* on_media_sink_device_info)(
+      struct _cef_media_sink_device_info_callback_t* self,
+      const struct _cef_media_sink_device_info_t* device_info);
+} cef_media_sink_device_info_callback_t;
+
+///
+// Represents a source from which media can be routed. Instances of this object
+// are retrieved via cef_media_router_t::GetSource. The functions of this
+// structure may be called on any browser process thread unless otherwise
+// indicated.
+///
+typedef struct _cef_media_source_t {
+  ///
+  // Base structure.
+  ///
+  cef_base_ref_counted_t base;
+
+  ///
+  // Returns the ID (media source URN or URL) for this source.
+  ///
+  // The resulting string must be freed by calling cef_string_userfree_free().
+  cef_string_userfree_t(CEF_CALLBACK* get_id)(struct _cef_media_source_t* self);
+
+  ///
+  // Returns true (1) if this source is valid.
+  ///
+  int(CEF_CALLBACK* is_valid)(struct _cef_media_source_t* self);
+
+  ///
+  // Returns true (1) if this source outputs its content via Cast.
+  ///
+  int(CEF_CALLBACK* is_cast_source)(struct _cef_media_source_t* self);
+
+  ///
+  // Returns true (1) if this source outputs its content via DIAL.
+  ///
+  int(CEF_CALLBACK* is_dial_source)(struct _cef_media_source_t* self);
+} cef_media_source_t;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  // CEF_INCLUDE_CAPI_CEF_MEDIA_ROUTER_CAPI_H_

include/capi/cef_parser_capi.h

@@ -33,7 +33,7 @@
 // by hand. See the translator.README.txt file in the tools directory for
 // more information.
 //
-// $hash=3bc4225f43428d8a3a24dcac1830dafac18b0caf$
+// $hash=14cf03e02d8ca3416e65f756470afd8185c7bc78$
 //
 
 #ifndef CEF_INCLUDE_CAPI_CEF_PARSER_CAPI_H_
@@ -140,6 +140,16 @@ CEF_EXPORT struct _cef_value_t* cef_parse_json(
     const cef_string_t* json_string,
     cef_json_parser_options_t options);
 
+///
+// Parses the specified UTF8-encoded |json| buffer of size |json_size| and
+// returns a dictionary or list representation. If JSON parsing fails this
+// function returns NULL.
+///
+CEF_EXPORT struct _cef_value_t* cef_parse_json_buffer(
+    const void* json,
+    size_t json_size,
+    cef_json_parser_options_t options);
+
 ///
 // Parses the specified |json_string| and returns a dictionary or list
 // representation. If JSON parsing fails this function returns NULL and

include/capi/cef_registration_capi.h

@@ -0,0 +1,63 @@
+// Copyright (c) 2020 Marshall A. Greenblatt. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the name Chromium Embedded
+// Framework nor the names of its contributors may be used to endorse
+// or promote products derived from this software without specific prior
+// written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// ---------------------------------------------------------------------------
+//
+// This file was generated by the CEF translator tool and should not edited
+// by hand. See the translator.README.txt file in the tools directory for
+// more information.
+//
+// $hash=029e237cf80f94a25453bac5a9b1e0765bb56f37$
+//
+
+#ifndef CEF_INCLUDE_CAPI_CEF_REGISTRATION_CAPI_H_
+#define CEF_INCLUDE_CAPI_CEF_REGISTRATION_CAPI_H_
+#pragma once
+
+#include "include/capi/cef_base_capi.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+///
+// Generic callback structure used for managing the lifespan of a registration.
+///
+typedef struct _cef_registration_t {
+  ///
+  // Base structure.
+  ///
+  cef_base_ref_counted_t base;
+} cef_registration_t;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  // CEF_INCLUDE_CAPI_CEF_REGISTRATION_CAPI_H_

include/capi/cef_request_context_capi.h

@@ -33,7 +33,7 @@
 // by hand. See the translator.README.txt file in the tools directory for
 // more information.
 //
-// $hash=2b01472d9b9a8cc9d1b2e669c91c2849bdb162e9$
+// $hash=7ce0953f069204a4dd2037c4a05ac9454c5e66a6$
 //
 
 #ifndef CEF_INCLUDE_CAPI_CEF_REQUEST_CONTEXT_CAPI_H_
@@ -44,6 +44,7 @@
 #include "include/capi/cef_cookie_capi.h"
 #include "include/capi/cef_extension_capi.h"
 #include "include/capi/cef_extension_handler_capi.h"
+#include "include/capi/cef_media_router_capi.h"
 #include "include/capi/cef_values_capi.h"
 
 #ifdef __cplusplus
@@ -353,6 +354,12 @@ typedef struct _cef_request_context_t {
   struct _cef_extension_t*(CEF_CALLBACK* get_extension)(
       struct _cef_request_context_t* self,
       const cef_string_t* extension_id);
+
+  ///
+  // Returns the MediaRouter object associated with this context.
+  ///
+  struct _cef_media_router_t*(CEF_CALLBACK* get_media_router)(
+      struct _cef_request_context_t* self);
 } cef_request_context_t;
 
 ///

include/capi/cef_request_handler_capi.h

@@ -33,7 +33,7 @@
 // by hand. See the translator.README.txt file in the tools directory for
 // more information.
 //
-// $hash=a28219cc8c1cb53faacaf236374c3cf2c0c45bef$
+// $hash=0167eb1abe614bd6391d273a8085fa3e53e7c217$
 //
 
 #ifndef CEF_INCLUDE_CAPI_CEF_REQUEST_HANDLER_CAPI_H_
@@ -253,6 +253,14 @@ typedef struct _cef_request_handler_t {
       struct _cef_request_handler_t* self,
       struct _cef_browser_t* browser,
       cef_termination_status_t status);
+
+  ///
+  // Called on the browser process UI thread when the window.document object of
+  // the main frame has been created.
+  ///
+  void(CEF_CALLBACK* on_document_available_in_main_frame)(
+      struct _cef_request_handler_t* self,
+      struct _cef_browser_t* browser);
 } cef_request_handler_t;
 
 #ifdef __cplusplus

include/cef_api_hash.h

@@ -29,12 +29,7 @@
 //
 // ---------------------------------------------------------------------------
 //
-// This file was generated by the CEF translator tool. If making changes by
-// hand only do so within the body of existing method and function
-// implementations. See the translator.README.txt file in the tools directory
-// for more information.
-//
-// $hash=06d0c1ccfa43926a01cbeb3ec95ff2a001fd0b45$
+// This file was generated by the make_api_hash_header.py tool.
 //
 
 #ifndef CEF_INCLUDE_API_HASH_H_
@@ -47,13 +42,13 @@
 // way that may cause binary incompatibility with other builds. The universal
 // hash value will change if any platform is affected whereas the platform hash
 // values will change only if that particular platform is affected.
-#define CEF_API_HASH_UNIVERSAL "3ad9591f7024619a1e2fd796c7ad51ae3a34abbb"
+#define CEF_API_HASH_UNIVERSAL "385d8af3c6da76f123f3aa292d3a3308ef456297"
 #if defined(OS_WIN)
-#define CEF_API_HASH_PLATFORM "3b8e38ae40c1a930227c6277c39dbc24081ccec1"
+#define CEF_API_HASH_PLATFORM "4bb528b0bb076ed5177d6581cfca12dd7b2fee04"
 #elif defined(OS_MACOSX)
-#define CEF_API_HASH_PLATFORM "4a77f1908fabccdb01a2d3bdbede5ca09fbaa394"
+#define CEF_API_HASH_PLATFORM "f6580fc0858f3580b7d25e1d094dd0a336132522"
 #elif defined(OS_LINUX)
-#define CEF_API_HASH_PLATFORM "434da6be7db70fd90c4265118ac47ace4073c6ae"
+#define CEF_API_HASH_PLATFORM "83f3053840abba3b83e43ade58230f10b48591dd"
 #endif
 
 #ifdef __cplusplus

include/cef_audio_handler.h

@@ -0,0 +1,111 @@
+// Copyright (c) 2019 Marshall A. Greenblatt. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the name Chromium Embedded
+// Framework nor the names of its contributors may be used to endorse
+// or promote products derived from this software without specific prior
+// written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// ---------------------------------------------------------------------------
+//
+// The contents of this file must follow a specific format in order to
+// support the CEF translator tool. See the translator.README.txt file in the
+// tools directory for more information.
+//
+
+#ifndef CEF_INCLUDE_CEF_AUDIO_HANDLER_H_
+#define CEF_INCLUDE_CEF_AUDIO_HANDLER_H_
+#pragma once
+
+#include "include/cef_base.h"
+#include "include/cef_browser.h"
+
+///
+// Implement this interface to handle audio events.
+///
+/*--cef(source=client)--*/
+class CefAudioHandler : public virtual CefBaseRefCounted {
+ public:
+  typedef cef_channel_layout_t ChannelLayout;
+
+  ///
+  // Called on the UI thread to allow configuration of audio stream parameters.
+  // Return true to proceed with audio stream capture, or false to cancel it.
+  // All members of |params| can optionally be configured here, but they are
+  // also pre-filled with some sensible defaults.
+  ///
+  /*--cef()--*/
+  virtual bool GetAudioParameters(CefRefPtr<CefBrowser> browser,
+                                  CefAudioParameters& params) {
+    return true;
+  }
+
+  ///
+  // Called on a browser audio capture thread when the browser starts
+  // streaming audio. OnAudioSteamStopped will always be called after
+  // OnAudioStreamStarted; both methods may be called multiple times
+  // for the same browser. |params| contains the audio parameters like
+  // sample rate and channel layout. |channels| is the number of channels.
+  ///
+  /*--cef()--*/
+  virtual void OnAudioStreamStarted(CefRefPtr<CefBrowser> browser,
+                                    const CefAudioParameters& params,
+                                    int channels) = 0;
+
+  ///
+  // Called on the audio stream thread when a PCM packet is received for the
+  // stream. |data| is an array representing the raw PCM data as a floating
+  // point type, i.e. 4-byte value(s). |frames| is the number of frames in the
+  // PCM packet. |pts| is the presentation timestamp (in milliseconds since the
+  // Unix Epoch) and represents the time at which the decompressed packet should
+  // be presented to the user. Based on |frames| and the |channel_layout| value
+  // passed to OnAudioStreamStarted you can calculate the size of the |data|
+  // array in bytes.
+  ///
+  /*--cef()--*/
+  virtual void OnAudioStreamPacket(CefRefPtr<CefBrowser> browser,
+                                   const float** data,
+                                   int frames,
+                                   int64 pts) = 0;
+
+  ///
+  // Called on the UI thread when the stream has stopped. OnAudioSteamStopped
+  // will always be called after OnAudioStreamStarted; both methods may be
+  // called multiple times for the same stream.
+  ///
+  /*--cef()--*/
+  virtual void OnAudioStreamStopped(CefRefPtr<CefBrowser> browser) = 0;
+
+  ///
+  // Called on the UI or audio stream thread when an error occurred. During the
+  // stream creation phase this callback will be called on the UI thread while
+  // in the capturing phase it will be called on the audio stream thread. The
+  // stream will be stopped immediately.
+  ///
+  /*--cef()--*/
+  virtual void OnAudioStreamError(CefRefPtr<CefBrowser> browser,
+                                  const CefString& message) = 0;
+};
+
+#endif  // CEF_INCLUDE_CEF_AUDIO_HANDLER_H_

include/cef_browser.h

@@ -40,10 +40,12 @@
 
 #include <vector>
 #include "include/cef_base.h"
+#include "include/cef_devtools_message_observer.h"
 #include "include/cef_drag_data.h"
 #include "include/cef_frame.h"
 #include "include/cef_image.h"
 #include "include/cef_navigation_entry.h"
+#include "include/cef_registration.h"
 #include "include/cef_request_context.h"
 
 class CefBrowserHost;
@@ -517,6 +519,69 @@ class CefBrowserHost : public virtual CefBaseRefCounted {
   /*--cef()--*/
   virtual bool HasDevTools() = 0;
 
+  ///
+  // Send a method call message over the DevTools protocol. |message| must be a
+  // UTF8-encoded JSON dictionary that contains "id" (int), "method" (string)
+  // and "params" (dictionary, optional) values. See the DevTools protocol
+  // documentation at https://chromedevtools.github.io/devtools-protocol/ for
+  // details of supported methods and the expected "params" dictionary contents.
+  // |message| will be copied if necessary. This method will return true if
+  // called on the UI thread and the message was successfully submitted for
+  // validation, otherwise false. Validation will be applied asynchronously and
+  // any messages that fail due to formatting errors or missing parameters may
+  // be discarded without notification. Prefer ExecuteDevToolsMethod if a more
+  // structured approach to message formatting is desired.
+  //
+  // Every valid method call will result in an asynchronous method result or
+  // error message that references the sent message "id". Event messages are
+  // received while notifications are enabled (for example, between method calls
+  // for "Page.enable" and "Page.disable"). All received messages will be
+  // delivered to the observer(s) registered with AddDevToolsMessageObserver.
+  // See CefDevToolsMessageObserver::OnDevToolsMessage documentation for details
+  // of received message contents.
+  //
+  // Usage of the SendDevToolsMessage, ExecuteDevToolsMethod and
+  // AddDevToolsMessageObserver methods does not require an active DevTools
+  // front-end or remote-debugging session. Other active DevTools sessions will
+  // continue to function independently. However, any modification of global
+  // browser state by one session may not be reflected in the UI of other
+  // sessions.
+  //
+  // Communication with the DevTools front-end (when displayed) can be logged
+  // for development purposes by passing the
+  // `--devtools-protocol-log-file=<path>` command-line flag.
+  ///
+  /*--cef()--*/
+  virtual bool SendDevToolsMessage(const void* message,
+                                   size_t message_size) = 0;
+
+  ///
+  // Execute a method call over the DevTools protocol. This is a more structured
+  // version of SendDevToolsMessage. |message_id| is an incremental number that
+  // uniquely identifies the message (pass 0 to have the next number assigned
+  // automatically based on previous values). |method| is the method name.
+  // |params| are the method parameters, which may be empty. See the DevTools
+  // protocol documentation (linked above) for details of supported methods and
+  // the expected |params| dictionary contents. This method will return the
+  // assigned message ID if called on the UI thread and the message was
+  // successfully submitted for validation, otherwise 0. See the
+  // SendDevToolsMessage documentation for additional usage information.
+  ///
+  /*--cef(optional_param=params)--*/
+  virtual int ExecuteDevToolsMethod(int message_id,
+                                    const CefString& method,
+                                    CefRefPtr<CefDictionaryValue> params) = 0;
+
+  ///
+  // Add an observer for DevTools protocol messages (method results and events).
+  // The observer will remain registered until the returned Registration object
+  // is destroyed. See the SendDevToolsMessage documentation for additional
+  // usage information.
+  ///
+  /*--cef()--*/
+  virtual CefRefPtr<CefRegistration> AddDevToolsMessageObserver(
+      CefRefPtr<CefDevToolsMessageObserver> observer) = 0;
+
   ///
   // Retrieve a snapshot of current navigation entries as values sent to the
   // specified visitor. If |current_only| is true only the current navigation

include/cef_client.h

@@ -38,6 +38,7 @@
 #define CEF_INCLUDE_CEF_CLIENT_H_
 #pragma once
 
+#include "include/cef_audio_handler.h"
 #include "include/cef_base.h"
 #include "include/cef_context_menu_handler.h"
 #include "include/cef_dialog_handler.h"
@@ -60,6 +61,12 @@
 /*--cef(source=client,no_debugct_check)--*/
 class CefClient : public virtual CefBaseRefCounted {
  public:
+  ///
+  // Return the handler for audio rendering events.
+  ///
+  /*--cef()--*/
+  virtual CefRefPtr<CefAudioHandler> GetAudioHandler() { return nullptr; }
+
   ///
   // Return the handler for context menus. If no handler is provided the default
   // implementation will be used.

include/cef_devtools_message_observer.h

@@ -0,0 +1,130 @@
+// Copyright (c) 2020 Marshall A. Greenblatt. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the name Chromium Embedded
+// Framework nor the names of its contributors may be used to endorse
+// or promote products derived from this software without specific prior
+// written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// ---------------------------------------------------------------------------
+//
+// The contents of this file must follow a specific format in order to
+// support the CEF translator tool. See the translator.README.txt file in the
+// tools directory for more information.
+//
+
+#ifndef CEF_INCLUDE_CEF_DEVTOOLS_MESSAGE_OBSERVER_H_
+#define CEF_INCLUDE_CEF_DEVTOOLS_MESSAGE_OBSERVER_H_
+#pragma once
+
+#include "include/cef_base.h"
+
+class CefBrowser;
+
+///
+// Callback interface for CefBrowserHost::AddDevToolsMessageObserver. The
+// methods of this class will be called on the browser process UI thread.
+///
+/*--cef(source=client)--*/
+class CefDevToolsMessageObserver : public virtual CefBaseRefCounted {
+ public:
+  ///
+  // Method that will be called on receipt of a DevTools protocol message.
+  // |browser| is the originating browser instance. |message| is a UTF8-encoded
+  // JSON dictionary representing either a method result or an event. |message|
+  // is only valid for the scope of this callback and should be copied if
+  // necessary. Return true if the message was handled or false if the message
+  // should be further processed and passed to the OnDevToolsMethodResult or
+  // OnDevToolsEvent methods as appropriate.
+  //
+  // Method result dictionaries include an "id" (int) value that identifies the
+  // orginating method call sent from CefBrowserHost::SendDevToolsMessage, and
+  // optionally either a "result" (dictionary) or "error" (dictionary) value.
+  // The "error" dictionary will contain "code" (int) and "message" (string)
+  // values. Event dictionaries include a "method" (string) value and optionally
+  // a "params" (dictionary) value. See the DevTools protocol documentation at
+  // https://chromedevtools.github.io/devtools-protocol/ for details of
+  // supported method calls and the expected "result" or "params" dictionary
+  // contents. JSON dictionaries can be parsed using the CefParseJSON function
+  // if desired, however be aware of performance considerations when parsing
+  // large messages (some of which may exceed 1MB in size).
+  ///
+  /*--cef()--*/
+  virtual bool OnDevToolsMessage(CefRefPtr<CefBrowser> browser,
+                                 const void* message,
+                                 size_t message_size) {
+    return false;
+  }
+
+  ///
+  // Method that will be called after attempted execution of a DevTools protocol
+  // method. |browser| is the originating browser instance. |message_id| is the
+  // "id" value that identifies the originating method call message. If the
+  // method succeeded |success| will be true and |result| will be the
+  // UTF8-encoded JSON "result" dictionary value (which may be empty). If the
+  // method failed |success| will be false and |result| will be the UTF8-encoded
+  // JSON "error" dictionary value. |result| is only valid for the scope of this
+  // callback and should be copied if necessary. See the OnDevToolsMessage
+  // documentation for additional details on |result| contents.
+  ///
+  /*--cef(optional_param=result)--*/
+  virtual void OnDevToolsMethodResult(CefRefPtr<CefBrowser> browser,
+                                      int message_id,
+                                      bool success,
+                                      const void* result,
+                                      size_t result_size) {}
+
+  ///
+  // Method that will be called on receipt of a DevTools protocol event.
+  // |browser| is the originating browser instance. |method| is the "method"
+  // value. |params| is the UTF8-encoded JSON "params" dictionary value (which
+  // may be empty). |params| is only valid for the scope of this callback and
+  // should be copied if necessary. See the OnDevToolsMessage documentation for
+  // additional details on |params| contents.
+  ///
+  /*--cef(optional_param=params)--*/
+  virtual void OnDevToolsEvent(CefRefPtr<CefBrowser> browser,
+                               const CefString& method,
+                               const void* params,
+                               size_t params_size) {}
+
+  ///
+  // Method that will be called when the DevTools agent has attached. |browser|
+  // is the originating browser instance. This will generally occur in response
+  // to the first message sent while the agent is detached.
+  ///
+  /*--cef()--*/
+  virtual void OnDevToolsAgentAttached(CefRefPtr<CefBrowser> browser) {}
+
+  ///
+  // Method that will be called when the DevTools agent has detached. |browser|
+  // is the originating browser instance. Any method results that were pending
+  // before the agent became detached will not be delivered, and any active
+  // event subscriptions will be canceled.
+  ///
+  /*--cef()--*/
+  virtual void OnDevToolsAgentDetached(CefRefPtr<CefBrowser> browser) {}
+};
+
+#endif  // CEF_INCLUDE_CEF_DEVTOOLS_MESSAGE_OBSERVER_H_

include/cef_media_router.h

@@ -0,0 +1,332 @@
+// Copyright (c) 2020 Marshall A. Greenblatt. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the name Chromium Embedded
+// Framework nor the names of its contributors may be used to endorse
+// or promote products derived from this software without specific prior
+// written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// ---------------------------------------------------------------------------
+//
+// The contents of this file must follow a specific format in order to
+// support the CEF translator tool. See the translator.README.txt file in the
+// tools directory for more information.
+//
+
+#ifndef CEF_INCLUDE_CEF_MEDIA_ROUTER_H_
+#define CEF_INCLUDE_CEF_MEDIA_ROUTER_H_
+#pragma once
+
+#include <vector>
+#include "include/cef_base.h"
+#include "include/cef_registration.h"
+
+class CefMediaObserver;
+class CefMediaRoute;
+class CefMediaRouteCreateCallback;
+class CefMediaSink;
+class CefMediaSinkDeviceInfoCallback;
+class CefMediaSource;
+
+///
+// Supports discovery of and communication with media devices on the local
+// network via the Cast and DIAL protocols. The methods of this class may be
+// called on any browser process thread unless otherwise indicated.
+///
+/*--cef(source=library)--*/
+class CefMediaRouter : public virtual CefBaseRefCounted {
+ public:
+  ///
+  // Returns the MediaRouter object associated with the global request context.
+  // Equivalent to calling
+  // CefRequestContext::GetGlobalContext()->GetMediaRouter().
+  ///
+  /*--cef()--*/
+  static CefRefPtr<CefMediaRouter> GetGlobalMediaRouter();
+
+  ///
+  // Add an observer for MediaRouter events. The observer will remain registered
+  // until the returned Registration object is destroyed.
+  ///
+  /*--cef()--*/
+  virtual CefRefPtr<CefRegistration> AddObserver(
+      CefRefPtr<CefMediaObserver> observer) = 0;
+
+  ///
+  // Returns a MediaSource object for the specified media source URN. Supported
+  // URN schemes include "cast:" and "dial:", and will be already known by the
+  // client application (e.g. "cast:<appId>?clientId=<clientId>").
+  ///
+  /*--cef()--*/
+  virtual CefRefPtr<CefMediaSource> GetSource(const CefString& urn) = 0;
+
+  ///
+  // Trigger an asynchronous call to CefMediaObserver::OnSinks on all
+  // registered observers.
+  ///
+  /*--cef()--*/
+  virtual void NotifyCurrentSinks() = 0;
+
+  ///
+  // Create a new route between |source| and |sink|. Source and sink must be
+  // valid, compatible (as reported by CefMediaSink::IsCompatibleWith), and a
+  // route between them must not already exist. |callback| will be executed
+  // on success or failure. If route creation succeeds it will also trigger an
+  // asynchronous call to CefMediaObserver::OnRoutes on all registered
+  // observers.
+  ///
+  /*--cef()--*/
+  virtual void CreateRoute(CefRefPtr<CefMediaSource> source,
+                           CefRefPtr<CefMediaSink> sink,
+                           CefRefPtr<CefMediaRouteCreateCallback> callback) = 0;
+
+  ///
+  // Trigger an asynchronous call to CefMediaObserver::OnRoutes on all
+  // registered observers.
+  ///
+  /*--cef()--*/
+  virtual void NotifyCurrentRoutes() = 0;
+};
+
+///
+// Implemented by the client to observe MediaRouter events and registered via
+// CefMediaRouter::AddObserver. The methods of this class will be called on the
+// browser process UI thread.
+///
+/*--cef(source=client)--*/
+class CefMediaObserver : public virtual CefBaseRefCounted {
+ public:
+  typedef cef_media_route_connection_state_t ConnectionState;
+
+  ///
+  // The list of available media sinks has changed or
+  // CefMediaRouter::NotifyCurrentSinks was called.
+  ///
+  /*--cef()--*/
+  virtual void OnSinks(const std::vector<CefRefPtr<CefMediaSink>>& sinks) = 0;
+
+  ///
+  // The list of available media routes has changed or
+  // CefMediaRouter::NotifyCurrentRoutes was called.
+  ///
+  /*--cef()--*/
+  virtual void OnRoutes(
+      const std::vector<CefRefPtr<CefMediaRoute>>& routes) = 0;
+
+  ///
+  // The connection state of |route| has changed.
+  ///
+  /*--cef()--*/
+  virtual void OnRouteStateChanged(CefRefPtr<CefMediaRoute> route,
+                                   ConnectionState state) = 0;
+
+  ///
+  // A message was recieved over |route|. |message| is only valid for
+  // the scope of this callback and should be copied if necessary.
+  ///
+  /*--cef()--*/
+  virtual void OnRouteMessageReceived(CefRefPtr<CefMediaRoute> route,
+                                      const void* message,
+                                      size_t message_size) = 0;
+};
+
+///
+// Represents the route between a media source and sink. Instances of this
+// object are created via CefMediaRouter::CreateRoute and retrieved via
+// CefMediaObserver::OnRoutes. Contains the status and metadata of a
+// routing operation. The methods of this class may be called on any browser
+// process thread unless otherwise indicated.
+///
+/*--cef(source=library)--*/
+class CefMediaRoute : public virtual CefBaseRefCounted {
+ public:
+  ///
+  // Returns the ID for this route.
+  ///
+  /*--cef()--*/
+  virtual CefString GetId() = 0;
+
+  ///
+  // Returns the source associated with this route.
+  ///
+  /*--cef()--*/
+  virtual CefRefPtr<CefMediaSource> GetSource() = 0;
+
+  ///
+  // Returns the sink associated with this route.
+  ///
+  /*--cef()--*/
+  virtual CefRefPtr<CefMediaSink> GetSink() = 0;
+
+  ///
+  // Send a message over this route. |message| will be copied if necessary.
+  ///
+  /*--cef()--*/
+  virtual void SendRouteMessage(const void* message, size_t message_size) = 0;
+
+  ///
+  // Terminate this route. Will result in an asynchronous call to
+  // CefMediaObserver::OnRoutes on all registered observers.
+  ///
+  /*--cef()--*/
+  virtual void Terminate() = 0;
+};
+
+///
+// Callback interface for CefMediaRouter::CreateRoute. The methods of this
+// class will be called on the browser process UI thread.
+///
+/*--cef(source=client)--*/
+class CefMediaRouteCreateCallback : public virtual CefBaseRefCounted {
+ public:
+  typedef cef_media_route_create_result_t RouteCreateResult;
+
+  ///
+  // Method that will be executed when the route creation has finished. |result|
+  // will be CEF_MRCR_OK if the route creation succeeded. |error| will be a
+  // description of the error if the route creation failed. |route| is the
+  // resulting route, or empty if the route creation failed.
+  ///
+  /*--cef(optional_param=error,optional_param=route)--*/
+  virtual void OnMediaRouteCreateFinished(RouteCreateResult result,
+                                          const CefString& error,
+                                          CefRefPtr<CefMediaRoute> route) = 0;
+};
+
+///
+// Represents a sink to which media can be routed. Instances of this object are
+// retrieved via CefMediaObserver::OnSinks. The methods of this class may
+// be called on any browser process thread unless otherwise indicated.
+///
+/*--cef(source=library)--*/
+class CefMediaSink : public virtual CefBaseRefCounted {
+ public:
+  typedef cef_media_sink_icon_type_t IconType;
+
+  ///
+  // Returns the ID for this sink.
+  ///
+  /*--cef()--*/
+  virtual CefString GetId() = 0;
+
+  ///
+  // Returns true if this sink is valid.
+  ///
+  /*--cef()--*/
+  virtual bool IsValid() = 0;
+
+  ///
+  // Returns the name of this sink.
+  ///
+  /*--cef()--*/
+  virtual CefString GetName() = 0;
+
+  ///
+  // Returns the description of this sink.
+  ///
+  /*--cef()--*/
+  virtual CefString GetDescription() = 0;
+
+  ///
+  // Returns the icon type for this sink.
+  ///
+  /*--cef(default_retval=CEF_MSIT_GENERIC)--*/
+  virtual IconType GetIconType() = 0;
+
+  ///
+  // Asynchronously retrieves device info.
+  ///
+  /*--cef()--*/
+  virtual void GetDeviceInfo(
+      CefRefPtr<CefMediaSinkDeviceInfoCallback> callback) = 0;
+
+  ///
+  // Returns true if this sink accepts content via Cast.
+  ///
+  /*--cef()--*/
+  virtual bool IsCastSink() = 0;
+
+  ///
+  // Returns true if this sink accepts content via DIAL.
+  ///
+  /*--cef()--*/
+  virtual bool IsDialSink() = 0;
+
+  ///
+  // Returns true if this sink is compatible with |source|.
+  ///
+  /*--cef()--*/
+  virtual bool IsCompatibleWith(CefRefPtr<CefMediaSource> source) = 0;
+};
+
+///
+// Callback interface for CefMediaSink::GetDeviceInfo. The methods of this
+// class will be called on the browser process UI thread.
+///
+/*--cef(source=client)--*/
+class CefMediaSinkDeviceInfoCallback : public virtual CefBaseRefCounted {
+ public:
+  ///
+  // Method that will be executed asyncronously once device information has been
+  // retrieved.
+  ///
+  /*--cef()--*/
+  virtual void OnMediaSinkDeviceInfo(
+      const CefMediaSinkDeviceInfo& device_info) = 0;
+};
+
+///
+// Represents a source from which media can be routed. Instances of this object
+// are retrieved via CefMediaRouter::GetSource. The methods of this class may be
+// called on any browser process thread unless otherwise indicated.
+///
+/*--cef(source=library)--*/
+class CefMediaSource : public virtual CefBaseRefCounted {
+ public:
+  ///
+  // Returns the ID (media source URN or URL) for this source.
+  ///
+  /*--cef()--*/
+  virtual CefString GetId() = 0;
+
+  ///
+  // Returns true if this source is valid.
+  ///
+  /*--cef()--*/
+  virtual bool IsValid() = 0;
+
+  ///
+  // Returns true if this source outputs its content via Cast.
+  ///
+  /*--cef()--*/
+  virtual bool IsCastSource() = 0;
+
+  ///
+  // Returns true if this source outputs its content via DIAL.
+  ///
+  /*--cef()--*/
+  virtual bool IsDialSource() = 0;
+};
+
+#endif  // CEF_INCLUDE_CEF_MEDIA_ROUTER_H_

include/cef_parser.h

@@ -133,6 +133,16 @@ CefString CefURIDecode(const CefString& text,
 CefRefPtr<CefValue> CefParseJSON(const CefString& json_string,
                                  cef_json_parser_options_t options);
 
+///
+// Parses the specified UTF8-encoded |json| buffer of size |json_size| and
+// returns a dictionary or list representation. If JSON parsing fails this
+// method returns NULL.
+///
+/*--cef(capi_name=cef_parse_json_buffer)--*/
+CefRefPtr<CefValue> CefParseJSON(const void* json,
+                                 size_t json_size,
+                                 cef_json_parser_options_t options);
+
 ///
 // Parses the specified |json_string| and returns a dictionary or list
 // representation. If JSON parsing fails this method returns NULL and populates

include/cef_registration.h

@@ -0,0 +1,49 @@
+// Copyright (c) 2020 Marshall A. Greenblatt. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the name Chromium Embedded
+// Framework nor the names of its contributors may be used to endorse
+// or promote products derived from this software without specific prior
+// written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// ---------------------------------------------------------------------------
+//
+// The contents of this file must follow a specific format in order to
+// support the CEF translator tool. See the translator.README.txt file in the
+// tools directory for more information.
+//
+
+#ifndef CEF_INCLUDE_CEF_REGISTRATION_H_
+#define CEF_INCLUDE_CEF_REGISTRATION_H_
+#pragma once
+
+#include "include/cef_base.h"
+
+///
+// Generic callback interface used for managing the lifespan of a registration.
+///
+/*--cef(source=library)--*/
+class CefRegistration : public virtual CefBaseRefCounted {};
+
+#endif  // CEF_INCLUDE_CEF_REGISTRATION_H_

include/cef_request_context.h

@@ -44,6 +44,7 @@
 #include "include/cef_cookie.h"
 #include "include/cef_extension.h"
 #include "include/cef_extension_handler.h"
+#include "include/cef_media_router.h"
 #include "include/cef_values.h"
 
 class CefRequestContextHandler;
@@ -361,6 +362,12 @@ class CefRequestContext : public virtual CefBaseRefCounted {
   /*--cef()--*/
   virtual CefRefPtr<CefExtension> GetExtension(
       const CefString& extension_id) = 0;
+
+  ///
+  // Returns the MediaRouter object associated with this context.
+  ///
+  /*--cef()--*/
+  virtual CefRefPtr<CefMediaRouter> GetMediaRouter() = 0;
 };
 
 #endif  // CEF_INCLUDE_CEF_REQUEST_CONTEXT_H_

include/cef_request_handler.h

@@ -252,6 +252,13 @@ class CefRequestHandler : public virtual CefBaseRefCounted {
   /*--cef()--*/
   virtual void OnRenderProcessTerminated(CefRefPtr<CefBrowser> browser,
                                          TerminationStatus status) {}
+
+  ///
+  // Called on the browser process UI thread when the window.document object of
+  // the main frame has been created.
+  ///
+  /*--cef()--*/
+  virtual void OnDocumentAvailableInMainFrame(CefRefPtr<CefBrowser> browser) {}
 };
 
 #endif  // CEF_INCLUDE_CEF_REQUEST_HANDLER_H_

include/internal/cef_types.h

@@ -170,23 +170,25 @@ typedef struct _cef_settings_t {
   // will be used. If this value is empty on macOS then a helper executable must
   // exist at "Contents/Frameworks/<app> Helper.app/Contents/MacOS/<app> Helper"
   // in the top-level app bundle. See the comments on CefExecuteProcess() for
-  // details. Also configurable using the "browser-subprocess-path" command-line
-  // switch.
+  // details. If this value is non-empty then it must be an absolute path. Also
+  // configurable using the "browser-subprocess-path" command-line switch.
   ///
   cef_string_t browser_subprocess_path;
 
   ///
   // The path to the CEF framework directory on macOS. If this value is empty
   // then the framework must exist at "Contents/Frameworks/Chromium Embedded
-  // Framework.framework" in the top-level app bundle. Also configurable using
-  // the "framework-dir-path" command-line switch.
+  // Framework.framework" in the top-level app bundle. If this value is
+  // non-empty then it must be an absolute path. Also configurable using the
+  // "framework-dir-path" command-line switch.
   ///
   cef_string_t framework_dir_path;
 
   ///
   // The path to the main bundle on macOS. If this value is empty then it
-  // defaults to the top-level app bundle. Also configurable using
-  // the "main-bundle-path" command-line switch.
+  // defaults to the top-level app bundle. If this value is non-empty then it
+  // must be an absolute path. Also configurable using the "main-bundle-path"
+  // command-line switch.
   ///
   cef_string_t main_bundle_path;
 
@@ -227,33 +229,35 @@ typedef struct _cef_settings_t {
 
   ///
   // The location where data for the global browser cache will be stored on
-  // disk. If non-empty this must be either equal to or a child directory of
-  // CefSettings.root_cache_path. If empty then browsers will be created in
-  // "incognito mode" where in-memory caches are used for storage and no data is
-  // persisted to disk. HTML5 databases such as localStorage will only persist
-  // across sessions if a cache path is specified. Can be overridden for
-  // individual CefRequestContext instances via the
-  // CefRequestContextSettings.cache_path value.
+  // disk. If this value is non-empty then it must be an absolute path that is
+  // either equal to or a child directory of CefSettings.root_cache_path. If
+  // this value is empty then browsers will be created in "incognito mode" where
+  // in-memory caches are used for storage and no data is persisted to disk.
+  // HTML5 databases such as localStorage will only persist across sessions if a
+  // cache path is specified. Can be overridden for individual CefRequestContext
+  // instances via the CefRequestContextSettings.cache_path value.
   ///
   cef_string_t cache_path;
 
   ///
   // The root directory that all CefSettings.cache_path and
   // CefRequestContextSettings.cache_path values must have in common. If this
-  // value is empty and CefSettings.cache_path is non-empty then this value will
-  // default to the CefSettings.cache_path value. Failure to set this value
-  // correctly may result in the sandbox blocking read/write access to the
-  // cache_path directory.
+  // value is empty and CefSettings.cache_path is non-empty then it will
+  // default to the CefSettings.cache_path value. If this value is non-empty
+  // then it must be an absolute path. Failure to set this value correctly may
+  // result in the sandbox blocking read/write access to the cache_path
+  // directory.
   ///
   cef_string_t root_cache_path;
 
   ///
   // The location where user data such as spell checking dictionary files will
-  // be stored on disk. If empty then the default platform-specific user data
-  // directory will be used ("~/.cef_user_data" directory on Linux,
-  // "~/Library/Application Support/CEF/User Data" directory on Mac OS X,
-  // "Local Settings\Application Data\CEF\User Data" directory under the user
-  // profile directory on Windows).
+  // be stored on disk. If this value is empty then the default
+  // platform-specific user data directory will be used ("~/.cef_user_data"
+  // directory on Linux, "~/Library/Application Support/CEF/User Data" directory
+  // on Mac OS X, "Local Settings\Application Data\CEF\User Data" directory
+  // under the user profile directory on Windows). If this value is non-empty
+  // then it must be an absolute path.
   ///
   cef_string_t user_data_path;
 
@@ -333,16 +337,17 @@ typedef struct _cef_settings_t {
   // The fully qualified path for the resources directory. If this value is
   // empty the cef.pak and/or devtools_resources.pak files must be located in
   // the module directory on Windows/Linux or the app bundle Resources directory
-  // on Mac OS X. Also configurable using the "resources-dir-path" command-line
-  // switch.
+  // on Mac OS X. If this value is non-empty then it must be an absolute path.
+  // Also configurable using the "resources-dir-path" command-line switch.
   ///
   cef_string_t resources_dir_path;
 
   ///
   // The fully qualified path for the locales directory. If this value is empty
-  // the locales directory must be located in the module directory. This value
-  // is ignored on Mac OS X where pack files are always loaded from the app
-  // bundle Resources directory. Also configurable using the "locales-dir-path"
+  // the locales directory must be located in the module directory. If this
+  // value is non-empty then it must be an absolute path. This value is ignored
+  // on Mac OS X where pack files are always loaded from the app bundle
+  // Resources directory. Also configurable using the "locales-dir-path"
   // command-line switch.
   ///
   cef_string_t locales_dir_path;
@@ -428,13 +433,13 @@ typedef struct _cef_request_context_settings_t {
 
   ///
   // The location where cache data for this request context will be stored on
-  // disk. If non-empty this must be either equal to or a child directory of
-  // CefSettings.root_cache_path. If empty then browsers will be created in
-  // "incognito mode" where in-memory caches are used for storage and no data is
-  // persisted to disk. HTML5 databases such as localStorage will only persist
-  // across sessions if a cache path is specified. To share the global browser
-  // cache and related configuration set this value to match the
-  // CefSettings.cache_path value.
+  // disk. If this value is non-empty then it must be an absolute path that is
+  // either equal to or a child directory of CefSettings.root_cache_path. If
+  // this value is empty then browsers will be created in "incognito mode" where
+  // in-memory caches are used for storage and no data is persisted to disk.
+  // HTML5 databases such as localStorage will only persist across sessions if a
+  // cache path is specified. To share the global browser cache and related
+  // configuration set this value to match the CefSettings.cache_path value.
   ///
   cef_string_t cache_path;
 
@@ -725,8 +730,32 @@ typedef struct _cef_urlparts_t {
   // Query string component (i.e., everything following the '?').
   ///
   cef_string_t query;
+
+  ///
+  // Fragment (hash) identifier component (i.e., the string following the '#').
+  ///
+  cef_string_t fragment;
 } cef_urlparts_t;
 
+///
+// Cookie priority values.
+///
+typedef enum {
+  CEF_COOKIE_PRIORITY_LOW = -1,
+  CEF_COOKIE_PRIORITY_MEDIUM = 0,
+  CEF_COOKIE_PRIORITY_HIGH = 1,
+} cef_cookie_priority_t;
+
+///
+// Cookie same site values.
+///
+typedef enum {
+  CEF_COOKIE_SAME_SITE_UNSPECIFIED,
+  CEF_COOKIE_SAME_SITE_NO_RESTRICTION,
+  CEF_COOKIE_SAME_SITE_LAX_MODE,
+  CEF_COOKIE_SAME_SITE_STRICT_MODE,
+} cef_cookie_same_site_t;
+
 ///
 // Cookie information.
 ///
@@ -781,6 +810,16 @@ typedef struct _cef_cookie_t {
   ///
   int has_expires;
   cef_time_t expires;
+
+  ///
+  // Same site.
+  ///
+  cef_cookie_same_site_t same_site;
+
+  ///
+  // Priority.
+  ///
+  cef_cookie_priority_t priority;
 } cef_cookie_t;
 
 ///
@@ -1775,6 +1814,7 @@ typedef enum {
   EVENTFLAG_IS_KEY_PAD = 1 << 9,
   EVENTFLAG_IS_LEFT = 1 << 10,
   EVENTFLAG_IS_RIGHT = 1 << 11,
+  EVENTFLAG_ALTGR_DOWN = 1 << 12,
 } cef_event_flags_t;
 
 ///
@@ -2232,7 +2272,13 @@ typedef enum {
   CT_ZOOMOUT,
   CT_GRAB,
   CT_GRABBING,
+  CT_MIDDLE_PANNING_VERTICAL,
+  CT_MIDDLE_PANNING_HORIZONTAL,
   CT_CUSTOM,
+  CT_DND_NONE,
+  CT_DND_MOVE,
+  CT_DND_COPY,
+  CT_DND_LINK,
 } cef_cursor_type_t;
 
 ///
@@ -2292,21 +2338,10 @@ typedef enum {
   ///
   UU_URL_SPECIAL_CHARS_EXCEPT_PATH_SEPARATORS = 1 << 3,
 
-  ///
-  // Unescapes characters that can be used in spoofing attempts (such as LOCK)
-  // and control characters (such as BiDi control characters and %01).  This
-  // INCLUDES NULLs.  This is used for rare cases such as data: URL decoding
-  // where the result is binary data.
-  //
-  // DO NOT use UU_SPOOFING_AND_CONTROL_CHARS if the URL is going to be
-  // displayed in the UI for security reasons.
-  ///
-  UU_SPOOFING_AND_CONTROL_CHARS = 1 << 4,
-
   ///
   // URL queries use "+" for space. This flag controls that replacement.
   ///
-  UU_REPLACE_PLUS_WITH_SPACE = 1 << 5,
+  UU_REPLACE_PLUS_WITH_SPACE = 1 << 4,
 } cef_uri_unescape_rule_t;
 
 ///
@@ -2429,13 +2464,13 @@ typedef struct _cef_pdf_print_settings_t {
   int scale_factor;
 
   ///
-  // Margins in millimeters. Only used if |margin_type| is set to
+  // Margins in points. Only used if |margin_type| is set to
   // PDF_PRINT_MARGIN_CUSTOM.
   ///
-  double margin_top;
-  double margin_right;
-  double margin_bottom;
-  double margin_left;
+  int margin_top;
+  int margin_right;
+  int margin_bottom;
+  int margin_left;
 
   ///
   // Margin type.
@@ -2968,6 +3003,192 @@ typedef struct _cef_composition_underline_t {
   cef_composition_underline_style_t style;
 } cef_composition_underline_t;
 
+///
+// Enumerates the various representations of the ordering of audio channels.
+// Must be kept synchronized with media::ChannelLayout from Chromium.
+// See media\base\channel_layout.h
+///
+typedef enum {
+  CEF_CHANNEL_LAYOUT_NONE = 0,
+  CEF_CHANNEL_LAYOUT_UNSUPPORTED = 1,
+
+  // Front C
+  CEF_CHANNEL_LAYOUT_MONO = 2,
+
+  // Front L, Front R
+  CEF_CHANNEL_LAYOUT_STEREO = 3,
+
+  // Front L, Front R, Back C
+  CEF_CHANNEL_LAYOUT_2_1 = 4,
+
+  // Front L, Front R, Front C
+  CEF_CHANNEL_LAYOUT_SURROUND = 5,
+
+  // Front L, Front R, Front C, Back C
+  CEF_CHANNEL_LAYOUT_4_0 = 6,
+
+  // Front L, Front R, Side L, Side R
+  CEF_CHANNEL_LAYOUT_2_2 = 7,
+
+  // Front L, Front R, Back L, Back R
+  CEF_CHANNEL_LAYOUT_QUAD = 8,
+
+  // Front L, Front R, Front C, Side L, Side R
+  CEF_CHANNEL_LAYOUT_5_0 = 9,
+
+  // Front L, Front R, Front C, LFE, Side L, Side R
+  CEF_CHANNEL_LAYOUT_5_1 = 10,
+
+  // Front L, Front R, Front C, Back L, Back R
+  CEF_CHANNEL_LAYOUT_5_0_BACK = 11,
+
+  // Front L, Front R, Front C, LFE, Back L, Back R
+  CEF_CHANNEL_LAYOUT_5_1_BACK = 12,
+
+  // Front L, Front R, Front C, Side L, Side R, Back L, Back R
+  CEF_CHANNEL_LAYOUT_7_0 = 13,
+
+  // Front L, Front R, Front C, LFE, Side L, Side R, Back L, Back R
+  CEF_CHANNEL_LAYOUT_7_1 = 14,
+
+  // Front L, Front R, Front C, LFE, Side L, Side R, Front LofC, Front RofC
+  CEF_CHANNEL_LAYOUT_7_1_WIDE = 15,
+
+  // Stereo L, Stereo R
+  CEF_CHANNEL_LAYOUT_STEREO_DOWNMIX = 16,
+
+  // Stereo L, Stereo R, LFE
+  CEF_CHANNEL_LAYOUT_2POINT1 = 17,
+
+  // Stereo L, Stereo R, Front C, LFE
+  CEF_CHANNEL_LAYOUT_3_1 = 18,
+
+  // Stereo L, Stereo R, Front C, Rear C, LFE
+  CEF_CHANNEL_LAYOUT_4_1 = 19,
+
+  // Stereo L, Stereo R, Front C, Side L, Side R, Back C
+  CEF_CHANNEL_LAYOUT_6_0 = 20,
+
+  // Stereo L, Stereo R, Side L, Side R, Front LofC, Front RofC
+  CEF_CHANNEL_LAYOUT_6_0_FRONT = 21,
+
+  // Stereo L, Stereo R, Front C, Rear L, Rear R, Rear C
+  CEF_CHANNEL_LAYOUT_HEXAGONAL = 22,
+
+  // Stereo L, Stereo R, Front C, LFE, Side L, Side R, Rear Center
+  CEF_CHANNEL_LAYOUT_6_1 = 23,
+
+  // Stereo L, Stereo R, Front C, LFE, Back L, Back R, Rear Center
+  CEF_CHANNEL_LAYOUT_6_1_BACK = 24,
+
+  // Stereo L, Stereo R, Side L, Side R, Front LofC, Front RofC, LFE
+  CEF_CHANNEL_LAYOUT_6_1_FRONT = 25,
+
+  // Front L, Front R, Front C, Side L, Side R, Front LofC, Front RofC
+  CEF_CHANNEL_LAYOUT_7_0_FRONT = 26,
+
+  // Front L, Front R, Front C, LFE, Back L, Back R, Front LofC, Front RofC
+  CEF_CHANNEL_LAYOUT_7_1_WIDE_BACK = 27,
+
+  // Front L, Front R, Front C, Side L, Side R, Rear L, Back R, Back C.
+  CEF_CHANNEL_LAYOUT_OCTAGONAL = 28,
+
+  // Channels are not explicitly mapped to speakers.
+  CEF_CHANNEL_LAYOUT_DISCRETE = 29,
+
+  // Front L, Front R, Front C. Front C contains the keyboard mic audio. This
+  // layout is only intended for input for WebRTC. The Front C channel
+  // is stripped away in the WebRTC audio input pipeline and never seen outside
+  // of that.
+  CEF_CHANNEL_LAYOUT_STEREO_AND_KEYBOARD_MIC = 30,
+
+  // Front L, Front R, Side L, Side R, LFE
+  CEF_CHANNEL_LAYOUT_4_1_QUAD_SIDE = 31,
+
+  // Actual channel layout is specified in the bitstream and the actual channel
+  // count is unknown at Chromium media pipeline level (useful for audio
+  // pass-through mode).
+  CEF_CHANNEL_LAYOUT_BITSTREAM = 32,
+
+  // Max value, must always equal the largest entry ever logged.
+  CEF_CHANNEL_LAYOUT_MAX = CEF_CHANNEL_LAYOUT_BITSTREAM
+} cef_channel_layout_t;
+
+///
+// Structure representing the audio parameters for setting up the audio handler.
+///
+typedef struct _cef_audio_parameters_t {
+  ///
+  // Layout of the audio channels
+  ///
+  cef_channel_layout_t channel_layout;
+
+  ///
+  // Sample rate
+  //
+  int sample_rate;
+
+  ///
+  // Number of frames per buffer
+  ///
+  int frames_per_buffer;
+} cef_audio_parameters_t;
+
+///
+// Result codes for CefMediaRouter::CreateRoute. Should be kept in sync with
+// Chromium's media_router::RouteRequestResult::ResultCode type.
+///
+typedef enum {
+  CEF_MRCR_UNKNOWN_ERROR = 0,
+  CEF_MRCR_OK = 1,
+  CEF_MRCR_TIMED_OUT = 2,
+  CEF_MRCR_ROUTE_NOT_FOUND = 3,
+  CEF_MRCR_SINK_NOT_FOUND = 4,
+  CEF_MRCR_INVALID_ORIGIN = 5,
+  CEF_MRCR_NO_SUPPORTED_PROVIDER = 7,
+  CEF_MRCR_CANCELLED = 8,
+  CEF_MRCR_ROUTE_ALREADY_EXISTS = 9,
+
+  CEF_MRCR_TOTAL_COUNT = 11  // The total number of values.
+} cef_media_route_create_result_t;
+
+///
+// Connection state for a MediaRoute object.
+///
+typedef enum {
+  CEF_MRCS_UNKNOWN,
+  CEF_MRCS_CONNECTING,
+  CEF_MRCS_CONNECTED,
+  CEF_MRCS_CLOSED,
+  CEF_MRCS_TERMINATED,
+} cef_media_route_connection_state_t;
+
+///
+// Icon types for a MediaSink object. Should be kept in sync with Chromium's
+// media_router::SinkIconType type.
+///
+typedef enum {
+  CEF_MSIT_CAST,
+  CEF_MSIT_CAST_AUDIO_GROUP,
+  CEF_MSIT_CAST_AUDIO,
+  CEF_MSIT_MEETING,
+  CEF_MSIT_HANGOUT,
+  CEF_MSIT_EDUCATION,
+  CEF_MSIT_WIRED_DISPLAY,
+  CEF_MSIT_GENERIC,
+
+  CEF_MSIT_TOTAL_COUNT,  // The total number of values.
+} cef_media_sink_icon_type_t;
+
+///
+// Device information for a MediaSink object.
+///
+typedef struct _cef_media_sink_device_info_t {
+  cef_string_t ip_address;
+  int port;
+  cef_string_t model_name;
+} cef_media_sink_device_info_t;
+
 #ifdef __cplusplus
 }
 #endif

include/internal/cef_types_wrappers.h

@@ -743,6 +743,7 @@ struct CefURLPartsTraits {
     cef_string_clear(&s->origin);
     cef_string_clear(&s->path);
     cef_string_clear(&s->query);
+    cef_string_clear(&s->fragment);
   }
 
   static inline void set(const struct_type* src,
@@ -759,6 +760,8 @@ struct CefURLPartsTraits {
     cef_string_set(src->origin.str, src->origin.length, &target->origin, copy);
     cef_string_set(src->path.str, src->path.length, &target->path, copy);
     cef_string_set(src->query.str, src->query.length, &target->query, copy);
+    cef_string_set(src->fragment.str, src->fragment.length, &target->fragment,
+                   copy);
   }
 };
 
@@ -848,6 +851,8 @@ struct CefCookieTraits {
     target->last_access = src->last_access;
     target->has_expires = src->has_expires;
     target->expires = src->expires;
+    target->same_site = src->same_site;
+    target->priority = src->priority;
   }
 };
 
@@ -955,4 +960,49 @@ struct CefCompositionUnderlineTraits {
 ///
 typedef CefStructBase<CefCompositionUnderlineTraits> CefCompositionUnderline;
 
+struct CefAudioParametersTraits {
+  typedef cef_audio_parameters_t struct_type;
+
+  static inline void init(struct_type* s) {}
+
+  static inline void clear(struct_type* s) {}
+
+  static inline void set(const struct_type* src,
+                         struct_type* target,
+                         bool copy) {
+    *target = *src;
+  }
+};
+
+///
+// Class representing CefAudioParameters settings
+///
+typedef CefStructBase<CefAudioParametersTraits> CefAudioParameters;
+
+struct CefMediaSinkDeviceInfoTraits {
+  typedef cef_media_sink_device_info_t struct_type;
+
+  static inline void init(struct_type* s) {}
+
+  static inline void clear(struct_type* s) {
+    cef_string_clear(&s->ip_address);
+    cef_string_clear(&s->model_name);
+  }
+
+  static inline void set(const struct_type* src,
+                         struct_type* target,
+                         bool copy) {
+    cef_string_set(src->ip_address.str, src->ip_address.length,
+                   &target->ip_address, copy);
+    target->port = src->port;
+    cef_string_set(src->model_name.str, src->model_name.length,
+                   &target->model_name, copy);
+  }
+};
+
+///
+// Class representing MediaSink device info.
+///
+typedef CefStructBase<CefMediaSinkDeviceInfoTraits> CefMediaSinkDeviceInfo;
+
 #endif  // CEF_INCLUDE_INTERNAL_CEF_TYPES_WRAPPERS_H_

libcef/browser/audio_capturer.cc

@@ -0,0 +1,125 @@
+// Copyright (c) 2019 The Chromium Embedded Framework Authors.
+// Portions copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "libcef/browser/audio_capturer.h"
+#include "libcef/browser/browser_host_impl.h"
+
+#include "components/mirroring/service/captured_audio_input.h"
+#include "content/public/browser/audio_loopback_stream_creator.h"
+#include "media/audio/audio_input_device.h"
+
+namespace {
+
+media::ChannelLayout TranslateChannelLayout(
+    cef_channel_layout_t channel_layout) {
+  // Verify that our enum matches Chromium's values. The enum values match
+  // between those enums and existing values don't ever change, so it's enough
+  // to check that there are no new ones added.
+  static_assert(
+      static_cast<int>(CEF_CHANNEL_LAYOUT_MAX) ==
+          static_cast<int>(media::CHANNEL_LAYOUT_MAX),
+      "cef_channel_layout_t must match the ChannelLayout enum in Chromium");
+  return static_cast<media::ChannelLayout>(channel_layout);
+}
+
+void StreamCreatorHelper(
+    content::WebContents* source_web_contents,
+    content::AudioLoopbackStreamCreator* audio_stream_creator,
+    mojo::PendingRemote<mirroring::mojom::AudioStreamCreatorClient> client,
+    const media::AudioParameters& params,
+    uint32_t total_segments) {
+  audio_stream_creator->CreateLoopbackStream(
+      source_web_contents, params, total_segments,
+      base::BindRepeating(
+          [](mojo::PendingRemote<mirroring::mojom::AudioStreamCreatorClient>
+                 client,
+             mojo::PendingRemote<media::mojom::AudioInputStream> stream,
+             mojo::PendingReceiver<media::mojom::AudioInputStreamClient>
+                 client_receiver,
+             media::mojom::ReadOnlyAudioDataPipePtr data_pipe) {
+            mojo::Remote<mirroring::mojom::AudioStreamCreatorClient>
+                audio_client(std::move(client));
+            audio_client->StreamCreated(
+                std::move(stream), std::move(client_receiver),
+                std::move(data_pipe), false /* initially_muted */);
+          },
+          base::Passed(&client)));
+}
+
+}  // namespace
+
+CefAudioCapturer::CefAudioCapturer(const CefAudioParameters& params,
+                                   CefRefPtr<CefBrowserHostImpl> browser,
+                                   CefRefPtr<CefAudioHandler> audio_handler)
+    : params_(params),
+      browser_(browser),
+      audio_handler_(audio_handler),
+      audio_stream_creator_(content::AudioLoopbackStreamCreator::
+                                CreateInProcessAudioLoopbackStreamCreator()) {
+  media::AudioParameters audio_params(
+      media::AudioParameters::AUDIO_PCM_LINEAR,
+      TranslateChannelLayout(params.channel_layout), params.sample_rate,
+      params.frames_per_buffer);
+
+  if (!audio_params.IsValid()) {
+    LOG(ERROR) << "Invalid audio parameters";
+    return;
+  }
+
+  DCHECK(browser_);
+  DCHECK(audio_handler_);
+  DCHECK(browser_->web_contents());
+
+  channels_ = audio_params.channels();
+  audio_input_device_ = new media::AudioInputDevice(
+      std::make_unique<mirroring::CapturedAudioInput>(base::BindRepeating(
+          &StreamCreatorHelper, base::Unretained(browser_->web_contents()),
+          base::Unretained(audio_stream_creator_.get()))),
+      media::AudioInputDevice::kLoopback);
+
+  audio_input_device_->Initialize(audio_params, this);
+  audio_input_device_->Start();
+}
+
+CefAudioCapturer::~CefAudioCapturer() {
+  StopStream();
+}
+
+void CefAudioCapturer::OnCaptureStarted() {
+  audio_handler_->OnAudioStreamStarted(browser_, params_, channels_);
+  DCHECK(!capturing_);
+  capturing_ = true;
+}
+
+void CefAudioCapturer::Capture(const media::AudioBus* source,
+                               base::TimeTicks audio_capture_time,
+                               double /*volume*/,
+                               bool /*key_pressed*/) {
+  const int channels = source->channels();
+  std::array<const float*, media::CHANNELS_MAX> data;
+  DCHECK(channels == channels_);
+  DCHECK(channels <= static_cast<int>(data.size()));
+  for (int c = 0; c < channels; ++c) {
+    data[c] = source->channel(c);
+  }
+  base::TimeDelta pts = audio_capture_time - base::TimeTicks::UnixEpoch();
+  audio_handler_->OnAudioStreamPacket(browser_, data.data(), source->frames(),
+                                      pts.InMilliseconds());
+}
+
+void CefAudioCapturer::OnCaptureError(const std::string& message) {
+  audio_handler_->OnAudioStreamError(browser_, message);
+  StopStream();
+}
+
+void CefAudioCapturer::StopStream() {
+  if (audio_input_device_)
+    audio_input_device_->Stop();
+  if (capturing_)
+    audio_handler_->OnAudioStreamStopped(browser_);
+
+  audio_input_device_ = nullptr;
+  capturing_ = false;
+}

libcef/browser/audio_capturer.h

@@ -0,0 +1,53 @@
+// Copyright (c) 2019 The Chromium Embedded Framework Authors.
+// Portions copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CEF_LIBCEF_BROWSER_AUDIO_CAPTURER_H_
+#define CEF_LIBCEF_BROWSER_AUDIO_CAPTURER_H_
+#pragma once
+
+#include "include/internal/cef_ptr.h"
+#include "include/internal/cef_types_wrappers.h"
+
+#include "media/base/audio_capturer_source.h"
+
+namespace content {
+class AudioLoopbackStreamCreator;
+}  // namespace content
+
+namespace media {
+class AudioInputDevice;
+}  // namespace media
+
+class CefAudioHandler;
+class CefBrowserHostImpl;
+
+class CefAudioCapturer : public media::AudioCapturerSource::CaptureCallback {
+ public:
+  CefAudioCapturer(const CefAudioParameters& params,
+                   CefRefPtr<CefBrowserHostImpl> browser,
+                   CefRefPtr<CefAudioHandler> audio_handler);
+  ~CefAudioCapturer() override;
+
+ private:
+  void OnCaptureStarted() override;
+  void Capture(const media::AudioBus* audio_source,
+               base::TimeTicks audio_capture_time,
+               double volume,
+               bool key_pressed) override;
+  void OnCaptureError(const std::string& message) override;
+  void OnCaptureMuted(bool is_muted) override {}
+
+  void StopStream();
+
+  CefAudioParameters params_;
+  CefRefPtr<CefBrowserHostImpl> browser_;
+  CefRefPtr<CefAudioHandler> audio_handler_;
+  std::unique_ptr<content::AudioLoopbackStreamCreator> audio_stream_creator_;
+  scoped_refptr<media::AudioInputDevice> audio_input_device_;
+  bool capturing_ = false;
+  int channels_ = 0;
+};
+
+#endif  // CEF_LIBCEF_BROWSER_AUDIO_CAPTURER_H_

libcef/browser/browser_context.cc

@@ -8,9 +8,9 @@
 #include <utility>
 
 #include "libcef/browser/content_browser_client.h"
-#include "libcef/browser/context.h"
 #include "libcef/browser/download_manager_delegate.h"
 #include "libcef/browser/extensions/extension_system.h"
+#include "libcef/browser/media_router/media_router_manager.h"
 #include "libcef/browser/prefs/browser_prefs.h"
 #include "libcef/browser/request_context_impl.h"
 #include "libcef/browser/ssl_host_state_delegate.h"
@@ -47,7 +47,6 @@
 #include "extensions/browser/process_manager.h"
 #include "extensions/common/constants.h"
 #include "net/proxy_resolution/proxy_config_service.h"
-#include "net/proxy_resolution/proxy_resolution_service.h"
 #include "services/network/public/mojom/cors_origin_pattern.mojom.h"
 
 using content::BrowserThread;
@@ -164,6 +163,11 @@ base::LazyInstance<ImplManager>::DestructorAtExit g_manager =
 base::LazyInstance<ImplManager>::Leaky g_manager = LAZY_INSTANCE_INITIALIZER;
 #endif
 
+CefBrowserContext* GetSelf(base::WeakPtr<CefBrowserContext> self) {
+  CEF_REQUIRE_UIT();
+  return self.get();
+}
+
 }  // namespace
 
 // Creates and manages VisitedLinkEventListener objects for each
@@ -220,8 +224,9 @@ class CefVisitedLinkListener : public visitedlink::VisitedLinkWriter::Listener {
 };
 
 CefBrowserContext::CefBrowserContext(const CefRequestContextSettings& settings)
-    : settings_(settings) {
+    : settings_(settings), weak_ptr_factory_(this) {
   g_manager.Get().AddImpl(this);
+  getter_ = base::BindRepeating(GetSelf, weak_ptr_factory_.GetWeakPtr());
 }
 
 CefBrowserContext::~CefBrowserContext() {
@@ -233,6 +238,9 @@ CefBrowserContext::~CefBrowserContext() {
   // Unregister the context first to avoid re-entrancy during shutdown.
   g_manager.Get().RemoveImpl(this, cache_path_);
 
+  // Destroy objects that may hold references to the MediaRouter.
+  media_router_manager_.reset();
+
   // Send notifications to clean up objects associated with this Profile.
   MaybeSendDestroyedNotification();
 
@@ -283,36 +291,23 @@ CefBrowserContext::~CefBrowserContext() {
 }
 
 void CefBrowserContext::Initialize() {
-  CefContext* context = CefContext::Get();
-
   cache_path_ = base::FilePath(CefString(&settings_.cache_path));
-  if (!context->ValidateCachePath(cache_path_)) {
-    // Reset to in-memory storage.
-    CefString(&settings_.cache_path).clear();
-    cache_path_ = base::FilePath();
-  }
 
   if (!cache_path_.empty())
     g_manager.Get().SetImplPath(this, cache_path_);
 
-  if (settings_.accept_language_list.length == 0) {
-    // Use the global language list setting.
-    CefString(&settings_.accept_language_list) =
-        CefString(&context->settings().accept_language_list);
-  }
-
   if (!!settings_.persist_session_cookies) {
     set_should_persist_session_cookies(true);
   }
 
-  key_ = std::make_unique<ProfileKey>(GetPath());
+  key_ = std::make_unique<ProfileKey>(cache_path_);
   SimpleKeyMap::GetInstance()->Associate(this, key_.get());
 
   // Initialize the PrefService object.
   pref_service_ = browser_prefs::CreatePrefService(
       this, cache_path_, !!settings_.persist_user_preferences);
 
-  content::BrowserContext::Initialize(this, GetPath());
+  content::BrowserContext::Initialize(this, cache_path_);
 
   resource_context_.reset(new CefResourceContext(IsOffTheRecord()));
 
@@ -812,3 +807,11 @@ bool CefBrowserContext::IsPrintPreviewSupported() const {
 
   return !GetPrefs()->GetBoolean(prefs::kPrintPreviewDisabled);
 }
+
+CefMediaRouterManager* CefBrowserContext::GetMediaRouterManager() {
+  CEF_REQUIRE_UIT();
+  if (!media_router_manager_) {
+    media_router_manager_.reset(new CefMediaRouterManager(this));
+  }
+  return media_router_manager_.get();
+}

libcef/browser/browser_context.h

@@ -13,8 +13,10 @@
 #include "libcef/browser/request_context_handler_map.h"
 #include "libcef/browser/resource_context.h"
 
+#include "base/callback.h"
 #include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
+#include "base/memory/weak_ptr.h"
 #include "chrome/browser/download/download_prefs.h"
 #include "chrome/common/plugin.mojom.h"
 #include "components/proxy_config/pref_proxy_config_tracker.h"
@@ -84,6 +86,7 @@
 */
 
 class CefDownloadManagerDelegate;
+class CefMediaRouterManager;
 class CefRequestContextImpl;
 class CefSSLHostStateDelegate;
 class CefVisitedLinkListener;
@@ -279,6 +282,13 @@ class CefBrowserContext : public ChromeProfileStub,
   // Returns true if this context supports print preview.
   bool IsPrintPreviewSupported() const;
 
+  CefMediaRouterManager* GetMediaRouterManager();
+
+  // Returns the BrowserContext, or nullptr if the BrowserContext has already
+  // been destroyed.
+  using Getter = base::RepeatingCallback<CefBrowserContext*()>;
+  Getter getter() const { return getter_; }
+
  private:
   // Allow deletion via std::unique_ptr().
   friend std::default_delete<CefBrowserContext>;
@@ -286,7 +296,7 @@ class CefBrowserContext : public ChromeProfileStub,
   ~CefBrowserContext() override;
 
   // Members initialized during construction are safe to access from any thread.
-  CefRequestContextSettings settings_;
+  const CefRequestContextSettings settings_;
   base::FilePath cache_path_;
 
   // CefRequestContextImpl objects referencing this object.
@@ -315,6 +325,8 @@ class CefBrowserContext : public ChromeProfileStub,
 
   std::unique_ptr<DownloadPrefs> download_prefs_;
 
+  std::unique_ptr<CefMediaRouterManager> media_router_manager_;
+
   // Map IDs to CefRequestContextHandler objects.
   CefRequestContextHandlerMap handler_map_;
 
@@ -338,6 +350,9 @@ class CefBrowserContext : public ChromeProfileStub,
   typedef std::set<int> NodeIdSet;
   NodeIdSet node_id_set_;
 
+  Getter getter_;
+  base::WeakPtrFactory<CefBrowserContext> weak_ptr_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(CefBrowserContext);
 };
 

libcef/browser/browser_host_impl.cc

@@ -8,6 +8,7 @@
 #include <string>
 #include <utility>
 
+#include "libcef/browser/audio_capturer.h"
 #include "libcef/browser/browser_context.h"
 #include "libcef/browser/browser_info.h"
 #include "libcef/browser/browser_info_manager.h"
@@ -15,8 +16,7 @@
 #include "libcef/browser/browser_util.h"
 #include "libcef/browser/content_browser_client.h"
 #include "libcef/browser/context.h"
-#include "libcef/browser/devtools/devtools_frontend.h"
-#include "libcef/browser/devtools/devtools_manager_delegate.h"
+#include "libcef/browser/devtools/devtools_manager.h"
 #include "libcef/browser/extensions/browser_extensions_util.h"
 #include "libcef/browser/extensions/extension_background_host.h"
 #include "libcef/browser/extensions/extension_system.h"
@@ -47,6 +47,8 @@
 #include "chrome/browser/spellchecker/spellcheck_factory.h"
 #include "chrome/browser/spellchecker/spellcheck_service.h"
 #include "chrome/browser/ui/prefs/prefs_tab_helper.h"
+#include "components/favicon/core/favicon_url.h"
+#include "components/spellcheck/common/spellcheck_features.h"
 #include "components/zoom/zoom_controller.h"
 #include "content/browser/gpu/compositor_util.h"
 #include "content/browser/web_contents/web_contents_impl.h"
@@ -69,7 +71,6 @@
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/render_widget_host.h"
 #include "content/public/browser/web_contents.h"
-#include "content/public/common/favicon_url.h"
 #include "extensions/browser/process_manager.h"
 #include "net/base/net_errors.h"
 #include "third_party/blink/public/mojom/frame/find_in_page.mojom.h"
@@ -193,6 +194,9 @@ void OnDownloadImage(uint32 max_image_size,
                                     image_impl.get());
 }
 
+static constexpr base::TimeDelta kRecentlyAudibleTimeout =
+    base::TimeDelta::FromSeconds(2);
+
 }  // namespace
 
 // CefBrowserHost static methods.
@@ -547,26 +551,6 @@ CefRefPtr<CefBrowserHostImpl> CefBrowserHostImpl::GetBrowserForFrameRoute(
 // CefBrowserHostImpl methods.
 // -----------------------------------------------------------------------------
 
-// WebContentsObserver that will be notified when the frontend WebContents is
-// destroyed so that the inspected browser can clear its DevTools references.
-class CefBrowserHostImpl::DevToolsWebContentsObserver
-    : public content::WebContentsObserver {
- public:
-  DevToolsWebContentsObserver(CefBrowserHostImpl* browser,
-                              content::WebContents* frontend_web_contents)
-      : WebContentsObserver(frontend_web_contents), browser_(browser) {}
-
-  // WebContentsObserver methods:
-  void WebContentsDestroyed() override {
-    browser_->OnDevToolsWebContentsDestroyed();
-  }
-
- private:
-  CefBrowserHostImpl* browser_;
-
-  DISALLOW_COPY_AND_ASSIGN(DevToolsWebContentsObserver);
-};
-
 CefBrowserHostImpl::~CefBrowserHostImpl() {}
 
 CefRefPtr<CefBrowser> CefBrowserHostImpl::GetBrowser() {
@@ -859,39 +843,29 @@ void CefBrowserHostImpl::ShowDevTools(const CefWindowInfo& windowInfo,
                                       CefRefPtr<CefClient> client,
                                       const CefBrowserSettings& settings,
                                       const CefPoint& inspect_element_at) {
-  if (CEF_CURRENTLY_ON_UIT()) {
-    if (!web_contents())
-      return;
-
-    if (devtools_frontend_) {
-      if (!inspect_element_at.IsEmpty()) {
-        devtools_frontend_->InspectElementAt(inspect_element_at.x,
-                                             inspect_element_at.y);
-      }
-      devtools_frontend_->Focus();
-      return;
-    }
-
-    devtools_frontend_ = CefDevToolsFrontend::Show(
-        this, windowInfo, client, settings, inspect_element_at);
-    devtools_observer_.reset(new DevToolsWebContentsObserver(
-        this, devtools_frontend_->frontend_browser()->web_contents()));
-  } else {
+  if (!CEF_CURRENTLY_ON_UIT()) {
     ShowDevToolsHelper* helper = new ShowDevToolsHelper(
         this, windowInfo, client, settings, inspect_element_at);
     CEF_POST_TASK(CEF_UIT, base::BindOnce(ShowDevToolsWithHelper, helper));
+    return;
   }
+
+  if (!EnsureDevToolsManager())
+    return;
+  devtools_manager_->ShowDevTools(windowInfo, client, settings,
+                                  inspect_element_at);
 }
 
 void CefBrowserHostImpl::CloseDevTools() {
-  if (CEF_CURRENTLY_ON_UIT()) {
-    if (!devtools_frontend_)
-      return;
-    devtools_frontend_->Close();
-  } else {
+  if (!CEF_CURRENTLY_ON_UIT()) {
     CEF_POST_TASK(CEF_UIT,
                   base::BindOnce(&CefBrowserHostImpl::CloseDevTools, this));
+    return;
   }
+
+  if (!devtools_manager_)
+    return;
+  devtools_manager_->CloseDevTools();
 }
 
 bool CefBrowserHostImpl::HasDevTools() {
@@ -900,7 +874,84 @@ bool CefBrowserHostImpl::HasDevTools() {
     return false;
   }
 
-  return (devtools_frontend_ != nullptr);
+  if (!devtools_manager_)
+    return false;
+  return devtools_manager_->HasDevTools();
+}
+
+bool CefBrowserHostImpl::SendDevToolsMessage(const void* message,
+                                             size_t message_size) {
+  if (!message || message_size == 0)
+    return false;
+
+  if (!CEF_CURRENTLY_ON_UIT()) {
+    std::string message_str(static_cast<const char*>(message), message_size);
+    CEF_POST_TASK(
+        CEF_UIT,
+        base::BindOnce(
+            [](CefRefPtr<CefBrowserHostImpl> self, std::string message_str) {
+              self->SendDevToolsMessage(message_str.data(), message_str.size());
+            },
+            CefRefPtr<CefBrowserHostImpl>(this), std::move(message_str)));
+    return false;
+  }
+
+  if (!EnsureDevToolsManager())
+    return false;
+  return devtools_manager_->SendDevToolsMessage(message, message_size);
+}
+
+int CefBrowserHostImpl::ExecuteDevToolsMethod(
+    int message_id,
+    const CefString& method,
+    CefRefPtr<CefDictionaryValue> params) {
+  if (!CEF_CURRENTLY_ON_UIT()) {
+    CEF_POST_TASK(
+        CEF_UIT, base::BindOnce(base::IgnoreResult(
+                                    &CefBrowserHostImpl::ExecuteDevToolsMethod),
+                                this, message_id, method, params));
+    return 0;
+  }
+
+  if (!EnsureDevToolsManager())
+    return 0;
+  return devtools_manager_->ExecuteDevToolsMethod(message_id, method, params);
+}
+
+CefRefPtr<CefRegistration> CefBrowserHostImpl::AddDevToolsMessageObserver(
+    CefRefPtr<CefDevToolsMessageObserver> observer) {
+  if (!observer)
+    return nullptr;
+  auto registration = CefDevToolsManager::CreateRegistration(observer);
+  InitializeDevToolsRegistrationOnUIThread(registration);
+  return registration.get();
+}
+
+bool CefBrowserHostImpl::EnsureDevToolsManager() {
+  CEF_REQUIRE_UIT();
+  if (!web_contents())
+    return false;
+
+  if (!devtools_manager_) {
+    devtools_manager_.reset(new CefDevToolsManager(this));
+  }
+  return true;
+}
+
+void CefBrowserHostImpl::InitializeDevToolsRegistrationOnUIThread(
+    CefRefPtr<CefRegistration> registration) {
+  if (!CEF_CURRENTLY_ON_UIT()) {
+    CEF_POST_TASK(
+        CEF_UIT,
+        base::BindOnce(
+            &CefBrowserHostImpl::InitializeDevToolsRegistrationOnUIThread, this,
+            registration));
+    return;
+  }
+
+  if (!EnsureDevToolsManager())
+    return;
+  devtools_manager_->InitializeRegistrationOnUIThread(registration);
 }
 
 void CefBrowserHostImpl::GetNavigationEntries(
@@ -1056,16 +1107,18 @@ void CefBrowserHostImpl::AddWordToDictionary(const CefString& word) {
   if (!web_contents())
     return;
 
+  SpellcheckService* spellcheck = nullptr;
   content::BrowserContext* browser_context =
       web_contents()->GetBrowserContext();
   if (browser_context) {
-    SpellcheckService* spellcheck =
-        SpellcheckServiceFactory::GetForContext(browser_context);
+    spellcheck = SpellcheckServiceFactory::GetForContext(browser_context);
     if (spellcheck)
       spellcheck->GetCustomDictionary()->AddWord(word);
   }
 #if defined(OS_MACOSX)
-  spellcheck_platform::AddWord(word);
+  if (spellcheck && spellcheck::UseBrowserSpellChecker()) {
+    spellcheck_platform::AddWord(spellcheck->platform_spell_checker(), word);
+  }
 #endif
 }
 
@@ -1556,6 +1609,12 @@ void CefBrowserHostImpl::DestroyBrowser() {
   javascript_dialog_manager_.reset(nullptr);
   menu_manager_.reset(nullptr);
 
+  // Delete the audio capturer
+  recently_audible_timer_.Stop();
+  audio_capturer_.reset(nullptr);
+
+  devtools_manager_.reset(nullptr);
+
   // Delete the platform delegate.
   platform_delegate_.reset(nullptr);
 
@@ -2644,16 +2703,24 @@ void CefBrowserHostImpl::DidStopLoading() {
 }
 
 void CefBrowserHostImpl::DocumentAvailableInMainFrame() {
-  base::AutoLock lock_scope(state_lock_);
-  has_document_ = true;
+  {
+    base::AutoLock lock_scope(state_lock_);
+    has_document_ = true;
+  }
+
+  if (client_) {
+    CefRefPtr<CefRequestHandler> handler = client_->GetRequestHandler();
+    if (handler)
+      handler->OnDocumentAvailableInMainFrame(this);
+  }
 }
 
 void CefBrowserHostImpl::DidFailLoad(
     content::RenderFrameHost* render_frame_host,
     const GURL& validated_url,
     int error_code) {
-  // The navigation failed after commit. OnLoadStart was called so we also call
-  // OnLoadEnd.
+  // The navigation failed after commit. OnLoadStart was called so we also
+  // call OnLoadEnd.
   auto frame = browser_info_->GetFrameForHost(render_frame_host);
   frame->RefreshAttributes();
   OnLoadError(frame, validated_url, error_code);
@@ -2679,15 +2746,14 @@ void CefBrowserHostImpl::PluginCrashed(const base::FilePath& plugin_path,
 }
 
 void CefBrowserHostImpl::DidUpdateFaviconURL(
-    const std::vector<content::FaviconURL>& candidates) {
+    const std::vector<blink::mojom::FaviconURLPtr>& candidates) {
   if (client_.get()) {
     CefRefPtr<CefDisplayHandler> handler = client_->GetDisplayHandler();
     if (handler.get()) {
       std::vector<CefString> icon_urls;
-      std::vector<content::FaviconURL>::const_iterator it = candidates.begin();
-      for (; it != candidates.end(); ++it) {
-        if (it->icon_type == content::FaviconURL::IconType::kFavicon)
-          icon_urls.push_back(it->icon_url.spec());
+      for (const auto& icon : candidates) {
+        if (icon->icon_type == blink::mojom::FaviconIconType::kFavicon)
+          icon_urls.push_back(icon->icon_url.spec());
       }
       if (!icon_urls.empty())
         handler->OnFaviconURLChange(this, icon_urls);
@@ -2695,6 +2761,25 @@ void CefBrowserHostImpl::DidUpdateFaviconURL(
   }
 }
 
+void CefBrowserHostImpl::OnAudioStateChanged(bool audible) {
+  if (audible) {
+    recently_audible_timer_.Stop();
+    StartAudioCapturer();
+  } else if (audio_capturer_) {
+    // If you have a media playing that has a short quiet moment, web_contents
+    // will immediately switch to non-audible state. We don't want to stop
+    // audio stream so quickly, let's give the stream some time to resume
+    // playing.
+    recently_audible_timer_.Start(
+        FROM_HERE, kRecentlyAudibleTimeout,
+        base::BindOnce(&CefBrowserHostImpl::OnRecentlyAudibleTimerFired, this));
+  }
+}
+
+void CefBrowserHostImpl::OnRecentlyAudibleTimerFired() {
+  audio_capturer_.reset();
+}
+
 bool CefBrowserHostImpl::OnMessageReceived(const IPC::Message& message) {
   // Handle the cursor message here if mouse cursor change is disabled instead
   // of propegating the message to the normal handler.
@@ -2790,6 +2875,25 @@ bool CefBrowserHostImpl::HasObserver(Observer* observer) const {
   return observers_.HasObserver(observer);
 }
 
+void CefBrowserHostImpl::StartAudioCapturer() {
+  if (!client_.get() || audio_capturer_)
+    return;
+
+  CefRefPtr<CefAudioHandler> audio_handler = client_->GetAudioHandler();
+  if (!audio_handler.get())
+    return;
+
+  CefAudioParameters params;
+  params.channel_layout = CEF_CHANNEL_LAYOUT_STEREO;
+  params.sample_rate = media::AudioParameters::kAudioCDSampleRate;
+  params.frames_per_buffer = 1024;
+
+  if (!audio_handler->GetAudioParameters(this, params))
+    return;
+
+  audio_capturer_.reset(new CefAudioCapturer(params, this, audio_handler));
+}
+
 CefBrowserHostImpl::NavigationLock::NavigationLock(
     CefRefPtr<CefBrowserHostImpl> browser)
     : browser_(browser) {
@@ -2861,18 +2965,6 @@ CefBrowserHostImpl::CefBrowserHostImpl(
       platform_delegate_(std::move(platform_delegate)),
       is_windowless_(platform_delegate_->IsWindowless()),
       is_views_hosted_(platform_delegate_->IsViewsHosted()),
-      host_window_handle_(kNullWindowHandle),
-      is_loading_(false),
-      can_go_back_(false),
-      can_go_forward_(false),
-      has_document_(false),
-      is_fullscreen_(false),
-      destruction_state_(DESTRUCTION_STATE_NONE),
-      window_destroyed_(false),
-      is_in_onsetfocus_(false),
-      focus_on_editable_field_(false),
-      mouse_cursor_change_disabled_(false),
-      devtools_frontend_(nullptr),
       extension_(extension) {
   if (opener.get() && !platform_delegate_->IsViewsHosted()) {
     // GetOpenerWindowHandle() only returns a value for non-views-hosted
@@ -3083,11 +3175,6 @@ void CefBrowserHostImpl::OnTitleChange(const base::string16& title) {
   }
 }
 
-void CefBrowserHostImpl::OnDevToolsWebContentsDestroyed() {
-  devtools_observer_.reset();
-  devtools_frontend_ = nullptr;
-}
-
 void CefBrowserHostImpl::EnsureFileDialogManager() {
   CEF_REQUIRE_UIT();
   if (!file_dialog_manager_.get() && platform_delegate_) {

libcef/browser/browser_host_impl.h

@@ -48,9 +48,10 @@ class Widget;
 }
 #endif  // defined(USE_AURA)
 
+class CefAudioCapturer;
 class CefBrowserInfo;
 class CefBrowserPlatformDelegate;
-class CefDevToolsFrontend;
+class CefDevToolsManager;
 class SiteInstance;
 
 // Implementation of CefBrowser.
@@ -191,6 +192,12 @@ class CefBrowserHostImpl : public CefBrowserHost,
                     const CefPoint& inspect_element_at) override;
   void CloseDevTools() override;
   bool HasDevTools() override;
+  bool SendDevToolsMessage(const void* message, size_t message_size) override;
+  int ExecuteDevToolsMethod(int message_id,
+                            const CefString& method,
+                            CefRefPtr<CefDictionaryValue> params) override;
+  CefRefPtr<CefRegistration> AddDevToolsMessageObserver(
+      CefRefPtr<CefDevToolsMessageObserver> observer) override;
   void GetNavigationEntries(CefRefPtr<CefNavigationEntryVisitor> visitor,
                             bool current_only) override;
   void SetMouseCursorChangeDisabled(bool disabled) override;
@@ -485,7 +492,8 @@ class CefBrowserHostImpl : public CefBrowserHost,
   void PluginCrashed(const base::FilePath& plugin_path,
                      base::ProcessId plugin_pid) override;
   void DidUpdateFaviconURL(
-      const std::vector<content::FaviconURL>& candidates) override;
+      const std::vector<blink::mojom::FaviconURLPtr>& candidates) override;
+  void OnAudioStateChanged(bool audible) override;
   bool OnMessageReceived(const IPC::Message& message) override;
   bool OnMessageReceived(const IPC::Message& message,
                          content::RenderFrameHost* render_frame_host) override;
@@ -505,6 +513,7 @@ class CefBrowserHostImpl : public CefBrowserHost,
   void AddObserver(Observer* observer);
   void RemoveObserver(Observer* observer);
   bool HasObserver(Observer* observer) const;
+
   class NavigationLock final {
    private:
     friend class CefBrowserHostImpl;
@@ -520,8 +529,6 @@ class CefBrowserHostImpl : public CefBrowserHost,
   std::unique_ptr<NavigationLock> CreateNavigationLock();
 
  private:
-  class DevToolsWebContentsObserver;
-
   static CefRefPtr<CefBrowserHostImpl> CreateInternal(
       const CefBrowserSettings& settings,
       CefRefPtr<CefClient> client,
@@ -578,13 +585,19 @@ class CefBrowserHostImpl : public CefBrowserHost,
   void OnFullscreenModeChange(bool fullscreen);
   void OnTitleChange(const base::string16& title);
 
-  void OnDevToolsWebContentsDestroyed();
-
   // Create the CefFileDialogManager if it doesn't already exist.
   void EnsureFileDialogManager();
 
   void ConfigureAutoResize();
 
+  void StartAudioCapturer();
+
+  void OnRecentlyAudibleTimerFired();
+
+  bool EnsureDevToolsManager();
+  void InitializeDevToolsRegistrationOnUIThread(
+      CefRefPtr<CefRegistration> registration);
+
   CefBrowserSettings settings_;
   CefRefPtr<CefClient> client_;
   scoped_refptr<CefBrowserInfo> browser_info_;
@@ -593,7 +606,7 @@ class CefBrowserHostImpl : public CefBrowserHost,
   std::unique_ptr<CefBrowserPlatformDelegate> platform_delegate_;
   const bool is_windowless_;
   const bool is_views_hosted_;
-  CefWindowHandle host_window_handle_;
+  CefWindowHandle host_window_handle_ = kNullWindowHandle;
 
   // Non-nullptr if this object owns the WebContents. Will be nullptr for popup
   // browsers between the calls to WebContentsCreated() and AddNewContents(),
@@ -603,18 +616,18 @@ class CefBrowserHostImpl : public CefBrowserHost,
 
   // Volatile state information. All access must be protected by the state lock.
   base::Lock state_lock_;
-  bool is_loading_;
-  bool can_go_back_;
-  bool can_go_forward_;
-  bool has_document_;
-  bool is_fullscreen_;
+  bool is_loading_ = false;
+  bool can_go_back_ = false;
+  bool can_go_forward_ = false;
+  bool has_document_ = false;
+  bool is_fullscreen_ = false;
 
   // The currently focused frame, or nullptr if the main frame is focused.
   CefRefPtr<CefFrameHostImpl> focused_frame_;
 
   // Represents the current browser destruction state. Only accessed on the UI
   // thread.
-  DestructionState destruction_state_;
+  DestructionState destruction_state_ = DESTRUCTION_STATE_NONE;
 
   // Navigation will not occur while |navigation_lock_count_| > 0.
   // |pending_navigation_action_| will be executed when the lock is released.
@@ -624,18 +637,18 @@ class CefBrowserHostImpl : public CefBrowserHost,
 
   // True if the OS window hosting the browser has been destroyed. Only accessed
   // on the UI thread.
-  bool window_destroyed_;
+  bool window_destroyed_ = false;
 
   // True if currently in the OnSetFocus callback. Only accessed on the UI
   // thread.
-  bool is_in_onsetfocus_;
+  bool is_in_onsetfocus_ = false;
 
   // True if the focus is currently on an editable field on the page. Only
   // accessed on the UI thread.
-  bool focus_on_editable_field_;
+  bool focus_on_editable_field_ = false;
 
   // True if mouse cursor change is disabled.
-  bool mouse_cursor_change_disabled_;
+  bool mouse_cursor_change_disabled_ = false;
 
   // Used for managing notification subscriptions.
   std::unique_ptr<content::NotificationRegistrar> registrar_;
@@ -649,12 +662,8 @@ class CefBrowserHostImpl : public CefBrowserHost,
   // Used for creating and managing context menus.
   std::unique_ptr<CefMenuManager> menu_manager_;
 
-  // Track the lifespan of the frontend WebContents associated with this
-  // browser.
-  std::unique_ptr<DevToolsWebContentsObserver> devtools_observer_;
-  // CefDevToolsFrontend will delete itself when the frontend WebContents is
-  // destroyed.
-  CefDevToolsFrontend* devtools_frontend_;
+  // Used for creating and managing DevTools instances.
+  std::unique_ptr<CefDevToolsManager> devtools_manager_;
 
   // Observers that want to be notified of changes to this object.
   base::ObserverList<Observer>::Unchecked observers_;
@@ -667,6 +676,14 @@ class CefBrowserHostImpl : public CefBrowserHost,
   CefRefPtr<CefExtension> extension_;
   bool is_background_host_ = false;
 
+  // Used for capturing audio for CefAudioHandler.
+  std::unique_ptr<CefAudioCapturer> audio_capturer_;
+
+  // Timer for determining when "recently audible" transitions to false. This
+  // starts running when a tab stops being audible, and is canceled if it starts
+  // being audible again before it fires.
+  base::OneShotTimer recently_audible_timer_;
+
   // Used with auto-resize.
   bool auto_resize_enabled_ = false;
   gfx::Size auto_resize_min_;

libcef/browser/browser_main.cc

@@ -32,11 +32,11 @@
 #include "chrome/browser/plugins/plugin_finder.h"
 #include "components/constrained_window/constrained_window_views.h"
 #include "content/public/browser/gpu_data_manager.h"
+#include "content/public/browser/network_service_instance.h"
 #include "extensions/browser/extension_system.h"
 #include "extensions/common/constants.h"
 #include "net/base/net_module.h"
 #include "services/service_manager/embedder/result_codes.h"
-#include "ui/base/material_design/material_design_controller.h"
 #include "ui/base/resource/resource_bundle.h"
 
 #if defined(USE_AURA) && defined(USE_X11)
@@ -50,6 +50,8 @@
 #include "ui/wm/core/wm_state.h"
 
 #if defined(OS_WIN)
+#include "chrome/browser/chrome_browser_main_win.h"
+#include "chrome/browser/win/parental_controls.h"
 #include "components/os_crypt/os_crypt.h"
 #include "ui/base/cursor/cursor_loader_win.h"
 #endif
@@ -124,7 +126,11 @@ void CefBrowserMainParts::PreMainMessageLoopStart() {
   DCHECK(local_state);
   bool os_crypt_init = OSCrypt::Init(local_state);
   DCHECK(os_crypt_init);
-#endif
+
+  // installer_util references strings that are normally compiled into
+  // setup.exe.  In Chrome, these strings are in the locale files.
+  ChromeBrowserMainPartsWin::SetupInstallerUtilStrings();
+#endif  // defined(OS_WIN)
 }
 
 void CefBrowserMainParts::PostMainMessageLoopStart() {
@@ -156,8 +162,6 @@ void CefBrowserMainParts::PreMainMessageLoopRun() {
   display::Screen::SetScreenInstance(views::CreateDesktopScreen());
 #endif
 
-  ui::MaterialDesignController::Initialize();
-
   if (extensions::ExtensionsEnabled()) {
     // Initialize extension global objects before creating the global
     // BrowserContext.
@@ -187,7 +191,7 @@ void CefBrowserMainParts::PreMainMessageLoopRun() {
        base::TaskShutdownBehavior::BLOCK_SHUTDOWN, base::MayBlock()});
 
   CefRequestContextSettings settings;
-  CefContext::Get()->PopulateRequestContextSettings(&settings);
+  CefContext::Get()->PopulateGlobalRequestContextSettings(&settings);
 
   // Create the global RequestContext.
   global_request_context_ =
@@ -197,6 +201,12 @@ void CefBrowserMainParts::PreMainMessageLoopRun() {
 
   CefDevToolsManagerDelegate::StartHttpHandler(browser_context);
 
+#if defined(OS_WIN)
+  // Windows parental controls calls can be slow, so we do an early init here
+  // that calculates this value off of the UI thread.
+  InitializeWinParentalControls();
+#endif
+
   // Triggers initialization of the singleton instance on UI thread.
   PluginFinder::GetInstance()->Init();
 

libcef/browser/browser_message_loop.cc

@@ -34,11 +34,17 @@ class MessagePumpExternal : public base::MessagePumpForUI {
       base::mac::ScopedNSAutoreleasePool autorelease_pool;
 #endif
 
-      const bool has_more_work = DirectRunWork(delegate);
+      base::TimeTicks next_run_time;  // is_null()
+      const bool has_more_work = DirectRunWork(delegate, &next_run_time);
       if (!has_more_work)
         break;
 
-      const base::TimeDelta& delta = base::TimeTicks::Now() - start;
+      if (next_run_time.is_null()) {
+        // We have more work that should run immediately.
+        next_run_time = base::TimeTicks::Now();
+      }
+
+      const base::TimeDelta& delta = next_run_time - start;
       if (delta.InSecondsF() > max_time_slice_)
         break;
     }
@@ -54,26 +60,31 @@ class MessagePumpExternal : public base::MessagePumpForUI {
   }
 
  private:
-  bool DirectRunWork(Delegate* delegate) {
-    bool did_work = false;
-    bool did_delayed_work = false;
-    bool did_idle_work = false;
+  static bool DirectRunWork(Delegate* delegate,
+                            base::TimeTicks* next_run_time) {
+    bool more_immediate_work = false;
+    bool more_idle_work = false;
+    bool more_delayed_work = false;
 
-    // Perform work & delayed work.
-    // If no work was found, then perform idle work.
+    Delegate::NextWorkInfo next_work_info = delegate->DoWork();
 
-    did_work = delegate->DoWork();
+    // is_immediate() returns true if the next task is ready right away.
+    more_immediate_work = next_work_info.is_immediate();
+    if (!more_immediate_work) {
+      // DoIdleWork() returns true if idle work was all done.
+      more_idle_work = !delegate->DoIdleWork();
 
-    // We are using an external timer, so we don't have any action based on the
-    // returned next delayed work time.
-    base::TimeTicks next_time;
-    did_delayed_work = delegate->DoDelayedWork(&next_time);
-
-    if (!did_work && !did_delayed_work) {
-      did_idle_work = delegate->DoIdleWork();
+      // Check the next PendingTask's |delayed_run_time|.
+      // is_max() returns true if there are no more immediate nor delayed tasks.
+      more_delayed_work = !next_work_info.delayed_run_time.is_max();
+      if (more_delayed_work && !more_idle_work) {
+        // The only remaining work that we know about is the PendingTask.
+        // Consider the run time for that task in the time slice calculation.
+        *next_run_time = next_work_info.delayed_run_time;
+      }
     }
 
-    return did_work || did_delayed_work || did_idle_work;
+    return more_immediate_work || more_idle_work || more_delayed_work;
   }
 
   const float max_time_slice_;

libcef/browser/chrome_browser_process_stub.cc

@@ -157,13 +157,17 @@ ProfileManager* ChromeBrowserProcessStub::profile_manager() {
 PrefService* ChromeBrowserProcessStub::local_state() {
   DCHECK(initialized_);
   if (!local_state_) {
+    // Use a location that is shared by all request contexts.
     const CefSettings& settings = CefContext::Get()->settings();
-    const base::FilePath& cache_path =
-        base::FilePath(CefString(&settings.cache_path));
+    const base::FilePath& root_cache_path =
+        base::FilePath(CefString(&settings.root_cache_path));
 
     // Used for very early NetworkService initialization.
-    local_state_ = browser_prefs::CreatePrefService(
-        nullptr, cache_path, !!settings.persist_user_preferences);
+    // Always persist preferences for this PrefService if possible because it
+    // contains the cookie encryption key on Windows.
+    local_state_ =
+        browser_prefs::CreatePrefService(nullptr /* profile */, root_cache_path,
+                                         true /* persist_user_preferences */);
   }
   return local_state_.get();
 }
@@ -370,3 +374,8 @@ ChromeBrowserProcessStub::resource_coordinator_parts() {
   NOTREACHED();
   return nullptr;
 }
+
+BuildState* ChromeBrowserProcessStub::GetBuildState() {
+  NOTREACHED();
+  return nullptr;
+}

libcef/browser/chrome_browser_process_stub.h

@@ -98,6 +98,7 @@ class ChromeBrowserProcessStub : public BrowserProcess {
   resource_coordinator::TabManager* GetTabManager() override;
   resource_coordinator::ResourceCoordinatorParts* resource_coordinator_parts()
       override;
+  BuildState* GetBuildState() override;
 
  private:
   bool initialized_;

libcef/browser/chrome_profile_stub.cc

@@ -5,9 +5,35 @@
 
 #include "libcef/browser/chrome_profile_stub.h"
 
+#include "components/variations/variations_client.h"
+#include "components/variations/variations_http_header_provider.h"
 #include "content/public/browser/resource_context.h"
 #include "net/url_request/url_request_context.h"
 
+namespace {
+
+class CefVariationsClient : public variations::VariationsClient {
+ public:
+  explicit CefVariationsClient(content::BrowserContext* browser_context)
+      : browser_context_(browser_context) {}
+
+  ~CefVariationsClient() override = default;
+
+  bool IsIncognito() const override {
+    return browser_context_->IsOffTheRecord();
+  }
+
+  std::string GetVariationsHeader() const override {
+    return variations::VariationsHttpHeaderProvider::GetInstance()
+        ->GetClientDataHeader(false /* is_signed_in */);
+  }
+
+ private:
+  content::BrowserContext* browser_context_;
+};
+
+}  // namespace
+
 ChromeProfileStub::ChromeProfileStub() {}
 
 ChromeProfileStub::~ChromeProfileStub() {}
@@ -20,6 +46,12 @@ bool ChromeProfileStub::IsOffTheRecord() const {
   return false;
 }
 
+variations::VariationsClient* ChromeProfileStub::GetVariationsClient() {
+  if (!variations_client_)
+    variations_client_ = std::make_unique<CefVariationsClient>(this);
+  return variations_client_.get();
+}
+
 scoped_refptr<base::SequencedTaskRunner> ChromeProfileStub::GetIOTaskRunner() {
   NOTREACHED();
   return scoped_refptr<base::SequencedTaskRunner>();

libcef/browser/chrome_profile_stub.h

@@ -22,6 +22,7 @@ class ChromeProfileStub : public Profile {
   // Profile methods.
   bool IsOffTheRecord() override;
   bool IsOffTheRecord() const override;
+  variations::VariationsClient* GetVariationsClient() override;
   scoped_refptr<base::SequencedTaskRunner> GetIOTaskRunner() override;
   std::string GetProfileUserName() const override;
   ProfileType GetProfileType() const override;
@@ -48,6 +49,8 @@ class ChromeProfileStub : public Profile {
   void SetCreationTimeForTesting(base::Time creation_time) override;
 
  private:
+  std::unique_ptr<variations::VariationsClient> variations_client_;
+
   DISALLOW_COPY_AND_ASSIGN(ChromeProfileStub);
 };
 

libcef/browser/content_browser_client.cc

@@ -77,7 +77,6 @@
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_ppapi_host.h"
 #include "content/public/browser/browser_thread.h"
-#include "content/public/browser/child_process_security_policy.h"
 #include "content/public/browser/client_certificate_delegate.h"
 #include "content/public/browser/navigation_handle.h"
 #include "content/public/browser/overlay_window.h"
@@ -102,6 +101,7 @@
 #include "extensions/browser/extensions_browser_client.h"
 #include "extensions/browser/guest_view/extensions_guest_view_message_filter.h"
 #include "extensions/browser/guest_view/web_view/web_view_guest.h"
+#include "extensions/browser/url_loader_factory_manager.h"
 #include "extensions/common/constants.h"
 #include "extensions/common/switches.h"
 #include "mojo/public/cpp/bindings/remote.h"
@@ -115,6 +115,8 @@
 #include "services/service_manager/public/mojom/connector.mojom.h"
 #include "services/service_manager/sandbox/switches.h"
 #include "storage/browser/quota/quota_settings.h"
+#include "third_party/blink/public/mojom/insecure_input/insecure_input_service.mojom.h"
+#include "third_party/blink/public/mojom/prerender/prerender.mojom.h"
 #include "third_party/blink/public/web/web_window_features.h"
 #include "third_party/widevine/cdm/buildflags.h"
 #include "ui/base/l10n/l10n_util.h"
@@ -129,8 +131,8 @@
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 #include "base/debug/leak_annotations.h"
 #include "chrome/common/chrome_paths.h"
-#include "components/crash/content/app/breakpad_linux.h"
 #include "components/crash/content/browser/crash_handler_host_linux.h"
+#include "components/crash/core/app/breakpad_linux.h"
 #include "content/public/common/content_descriptors.h"
 #endif
 
@@ -505,6 +507,30 @@ void BindPluginInfoHost(
       std::move(receiver));
 }
 
+base::FilePath GetRootCachePath() {
+  // The CefContext::ValidateCachePath method enforces the requirement that all
+  // cache_path values be either equal to or a child of root_cache_path.
+  return base::FilePath(
+      CefString(&CefContext::Get()->settings().root_cache_path));
+}
+
+// Register BrowserInterfaceBroker's GetInterface() handler callbacks for
+// chrome-specific document-scoped interfaces.
+// Stub implementations to silence "Empty binder for interface
+// blink.mojom.[Name] for the frame/document scope" errors.
+// Based on chrome/browser/chrome_browser_interface_binders.cc.
+void PopulateChromeFrameBinders(
+    service_manager::BinderMapWithContext<content::RenderFrameHost*>* map) {
+  map->Add<blink::mojom::InsecureInputService>(base::BindRepeating(
+      [](content::RenderFrameHost* frame_host,
+         mojo::PendingReceiver<blink::mojom::InsecureInputService> receiver) {
+      }));
+
+  map->Add<blink::mojom::PrerenderProcessor>(base::BindRepeating(
+      [](content::RenderFrameHost* frame_host,
+         mojo::PendingReceiver<blink::mojom::PrerenderProcessor> receiver) {}));
+}
+
 }  // namespace
 
 CefContentBrowserClient::CefContentBrowserClient()
@@ -600,6 +626,17 @@ bool CefContentBrowserClient::DoesSiteRequireDedicatedProcess(
   return extension != nullptr;
 }
 
+void CefContentBrowserClient::OverrideURLLoaderFactoryParams(
+    content::BrowserContext* browser_context,
+    const url::Origin& origin,
+    bool is_for_isolated_world,
+    network::mojom::URLLoaderFactoryParams* factory_params) {
+  if (extensions::ExtensionsEnabled()) {
+    extensions::URLLoaderFactoryManager::OverrideURLLoaderFactoryParams(
+        browser_context, origin, is_for_isolated_world, factory_params);
+  }
+}
+
 void CefContentBrowserClient::GetAdditionalWebUISchemes(
     std::vector<std::string>* additional_schemes) {
   // Any schemes listed here are treated as WebUI schemes but do not get WebUI
@@ -1088,16 +1125,13 @@ CefContentBrowserClient::CreateURLLoaderThrottles(
       request.resource_type, frame_tree_node_id));
 
   Profile* profile = Profile::FromBrowserContext(browser_context);
-  bool is_off_the_record = profile->IsOffTheRecord();
 
   chrome::mojom::DynamicParams dynamic_params = {
       profile->GetPrefs()->GetBoolean(prefs::kForceGoogleSafeSearch),
       profile->GetPrefs()->GetInteger(prefs::kForceYouTubeRestrict),
-      profile->GetPrefs()->GetString(prefs::kAllowedDomainsForApps),
-      variations::VariationsHttpHeaderProvider::GetInstance()
-          ->GetClientDataHeader(false /* is_signed_in */)};
-  result.push_back(std::make_unique<GoogleURLLoaderThrottle>(
-      is_off_the_record, std::move(dynamic_params)));
+      profile->GetPrefs()->GetString(prefs::kAllowedDomainsForApps)};
+  result.push_back(
+      std::make_unique<GoogleURLLoaderThrottle>(std::move(dynamic_params)));
 
   return result;
 }
@@ -1300,10 +1334,7 @@ CefContentBrowserClient::GetNetworkContextsParentDirectory() {
   base::PathService::Get(chrome::DIR_USER_DATA, &user_data_path);
   DCHECK(!user_data_path.empty());
 
-  // The CefContext::ValidateCachePath method enforces the requirement that all
-  // cache_path values be either equal to or a child of root_cache_path.
-  const base::FilePath& root_cache_path =
-      base::FilePath(CefString(&CefContext::Get()->settings().root_cache_path));
+  const auto& root_cache_path = GetRootCachePath();
 
   // root_cache_path may sometimes be empty or a child of user_data_path, so
   // only return the one path in that case.
@@ -1380,6 +1411,8 @@ CefContentBrowserClient::CreateWindowForPictureInPicture(
 void CefContentBrowserClient::RegisterBrowserInterfaceBindersForFrame(
     content::RenderFrameHost* render_frame_host,
     service_manager::BinderMapWithContext<content::RenderFrameHost*>* map) {
+  PopulateChromeFrameBinders(map);
+
   if (!extensions::ExtensionsEnabled())
     return;
 
@@ -1404,6 +1437,11 @@ void CefContentBrowserClient::RegisterBrowserInterfaceBindersForFrame(
                                                 extension);
 }
 
+base::FilePath
+CefContentBrowserClient::GetSandboxedStorageServiceDataDirectory() {
+  return GetRootCachePath();
+}
+
 std::string CefContentBrowserClient::GetProduct() {
   // Match the logic in chrome_content_browser_client.cc GetProduct().
   return ::GetProduct();
@@ -1442,16 +1480,6 @@ CefContentBrowserClient::GetPluginMimeTypesWithExternalHandlers(
   return mime_types;
 }
 
-void CefContentBrowserClient::RegisterCustomScheme(const std::string& scheme) {
-  // Register as a Web-safe scheme so that requests for the scheme from a
-  // render process will be allowed in resource_dispatcher_host_impl.cc
-  // ShouldServiceRequest.
-  content::ChildProcessSecurityPolicy* policy =
-      content::ChildProcessSecurityPolicy::GetInstance();
-  if (!policy->IsWebSafeScheme(scheme))
-    policy->RegisterWebSafeScheme(scheme);
-}
-
 CefRefPtr<CefRequestContextImpl> CefContentBrowserClient::request_context()
     const {
   return browser_main_parts_->request_context();

libcef/browser/content_browser_client.h

@@ -46,6 +46,11 @@ class CefContentBrowserClient : public content::ContentBrowserClient {
                                const GURL& effective_url) override;
   bool DoesSiteRequireDedicatedProcess(content::BrowserContext* browser_context,
                                        const GURL& effective_site_url) override;
+  void OverrideURLLoaderFactoryParams(
+      content::BrowserContext* browser_context,
+      const url::Origin& origin,
+      bool is_for_isolated_world,
+      network::mojom::URLLoaderFactoryParams* factory_params) override;
   void GetAdditionalWebUISchemes(
       std::vector<std::string>* additional_schemes) override;
   void GetAdditionalViewSourceSchemes(
@@ -197,7 +202,7 @@ class CefContentBrowserClient : public content::ContentBrowserClient {
       content::RenderFrameHost* render_frame_host,
       service_manager::BinderMapWithContext<content::RenderFrameHost*>* map)
       override;
-
+  base::FilePath GetSandboxedStorageServiceDataDirectory() override;
   std::string GetProduct() override;
   std::string GetChromeProduct() override;
   std::string GetUserAgent() override;
@@ -205,9 +210,6 @@ class CefContentBrowserClient : public content::ContentBrowserClient {
   base::flat_set<std::string> GetPluginMimeTypesWithExternalHandlers(
       content::BrowserContext* browser_context) override;
 
-  // Perform browser process registration for the custom scheme.
-  void RegisterCustomScheme(const std::string& scheme);
-
   CefRefPtr<CefRequestContextImpl> request_context() const;
   CefDevToolsDelegate* devtools_delegate() const;
 

libcef/browser/context.cc

@@ -37,13 +37,13 @@
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/chrome_elf/chrome_elf_main.h"
 #include "chrome/install_static/initialize_from_primary_module.h"
-#include "components/crash/content/app/crashpad.h"
+#include "components/crash/core/app/crashpad.h"
 #include "content/public/app/sandbox_helper_win.h"
 #include "sandbox/win/src/sandbox_types.h"
 #endif
 
 #if defined(OS_MACOSX) || defined(OS_WIN)
-#include "components/crash/content/app/crash_switches.h"
+#include "components/crash/core/app/crash_switches.h"
 #include "third_party/crashpad/crashpad/handler/handler_main.h"
 #endif
 
@@ -97,12 +97,12 @@ void InitCrashReporter() {
 
 #if defined(OS_MACOSX) || defined(OS_WIN)
 
-// Based on components/crash/content/app/run_as_crashpad_handler_win.cc
+// Based on components/crash/core/app/run_as_crashpad_handler_win.cc
 // Remove the "--type=crashpad-handler" command-line flag that will otherwise
 // confuse the crashpad handler.
 // Chrome uses an embedded crashpad handler on Windows only and imports this
 // function via the existing "run_as_crashpad_handler" target defined in
-// components/crash/content/app/BUILD.gn. CEF uses an embedded handler on both
+// components/crash/core/app/BUILD.gn. CEF uses an embedded handler on both
 // Windows and macOS so we define the function here instead of using the
 // existing target (because we can't use that target on macOS).
 int RunAsCrashpadHandler(const base::CommandLine& command_line) {
@@ -160,6 +160,85 @@ bool GetColor(const cef_color_t cef_in, bool is_windowless, SkColor* sk_out) {
   return true;
 }
 
+// Convert |path_str| to a normalized FilePath.
+base::FilePath NormalizePath(const cef_string_t& path_str,
+                             const char* name,
+                             bool* has_error = nullptr) {
+  if (has_error)
+    *has_error = false;
+
+  base::FilePath path = base::FilePath(CefString(&path_str));
+  if (path.EndsWithSeparator()) {
+    // Remove the trailing separator because it will interfere with future
+    // equality checks.
+    path = path.StripTrailingSeparators();
+  }
+
+  if (!path.empty() && !path.IsAbsolute()) {
+    LOG(ERROR) << "The " << name << " directory (" << path.value()
+               << ") is not an absolute path. Defaulting to empty.";
+    if (has_error)
+      *has_error = true;
+    path = base::FilePath();
+  }
+
+  return path;
+}
+
+void SetPath(cef_string_t& path_str, const base::FilePath& path) {
+#if defined(OS_WIN)
+  CefString(&path_str).FromWString(path.value());
+#else
+  CefString(&path_str).FromString(path.value());
+#endif
+}
+
+// Convert |path_str| to a normalized FilePath and update the |path_str| value.
+base::FilePath NormalizePathAndSet(cef_string_t& path_str, const char* name) {
+  const base::FilePath& path = NormalizePath(path_str, name);
+  SetPath(path_str, path);
+  return path;
+}
+
+// Verify that |cache_path| is valid and create it if necessary.
+bool ValidateCachePath(const base::FilePath& cache_path,
+                       const base::FilePath& root_cache_path) {
+  if (cache_path.empty())
+    return true;
+
+  if (!root_cache_path.empty() && root_cache_path != cache_path &&
+      !root_cache_path.IsParent(cache_path)) {
+    LOG(ERROR) << "The cache_path directory (" << cache_path.value()
+               << ") is not a child of the root_cache_path directory ("
+               << root_cache_path.value() << ")";
+    return false;
+  }
+
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
+  if (!base::DirectoryExists(cache_path) &&
+      !base::CreateDirectory(cache_path)) {
+    LOG(ERROR) << "The cache_path directory (" << cache_path.value()
+               << ") could not be created.";
+    return false;
+  }
+
+  return true;
+}
+
+// Like NormalizePathAndSet but with additional checks specific to the
+// cache_path value.
+base::FilePath NormalizeCachePathAndSet(cef_string_t& path_str,
+                                        const base::FilePath& root_cache_path) {
+  bool has_error = false;
+  base::FilePath path = NormalizePath(path_str, "cache_path", &has_error);
+  if (has_error || !ValidateCachePath(path, root_cache_path)) {
+    LOG(ERROR) << "The cache_path is invalid. Defaulting to in-memory storage.";
+    path = base::FilePath();
+  }
+  SetPath(path_str, path);
+  return path;
+}
+
 }  // namespace
 
 int CefExecuteProcess(const CefMainArgs& args,
@@ -370,18 +449,23 @@ bool CefContext::Initialize(const CefMainArgs& args,
   SignalChromeElf();
 #endif
 
-  base::FilePath cache_path = base::FilePath(CefString(&settings_.cache_path));
-  if (!ValidateCachePath(cache_path)) {
-    // Reset to in-memory storage.
-    CefString(&settings_.cache_path).clear();
-    cache_path = base::FilePath();
-  }
   const base::FilePath& root_cache_path =
-      base::FilePath(CefString(&settings_.root_cache_path));
+      NormalizePathAndSet(settings_.root_cache_path, "root_cache_path");
+  const base::FilePath& cache_path =
+      NormalizeCachePathAndSet(settings_.cache_path, root_cache_path);
   if (root_cache_path.empty() && !cache_path.empty()) {
-    CefString(&settings_.root_cache_path) = CefString(&settings_.cache_path);
+    CefString(&settings_.root_cache_path) = cache_path.value();
   }
 
+  // All other paths that need to be normalized.
+  NormalizePathAndSet(settings_.browser_subprocess_path,
+                      "browser_subprocess_path");
+  NormalizePathAndSet(settings_.framework_dir_path, "framework_dir_path");
+  NormalizePathAndSet(settings_.main_bundle_path, "main_bundle_path");
+  NormalizePathAndSet(settings_.user_data_path, "user_data_path");
+  NormalizePathAndSet(settings_.resources_dir_path, "resources_dir_path");
+  NormalizePathAndSet(settings_.locales_dir_path, "locales_dir_path");
+
   main_delegate_.reset(new CefMainDelegate(application));
   browser_info_manager_.reset(new CefBrowserInfoManager);
 
@@ -392,7 +476,6 @@ bool CefContext::Initialize(const CefMainArgs& args,
 #if defined(OS_WIN)
   sandbox::SandboxInterfaceInfo sandbox_info = {0};
   if (windows_sandbox_info == nullptr) {
-    content::InitializeSandboxInfo(&sandbox_info);
     windows_sandbox_info = &sandbox_info;
     settings_.no_sandbox = true;
   }
@@ -519,11 +602,14 @@ CefTraceSubscriber* CefContext::GetTraceSubscriber() {
   return trace_subscriber_.get();
 }
 
-void CefContext::PopulateRequestContextSettings(
+void CefContext::PopulateGlobalRequestContextSettings(
     CefRequestContextSettings* settings) {
   CefRefPtr<CefCommandLine> command_line =
       CefCommandLine::GetGlobalCommandLine();
+
+  // This value was already normalized in Initialize.
   CefString(&settings->cache_path) = CefString(&settings_.cache_path);
+
   settings->persist_session_cookies =
       settings_.persist_session_cookies ||
       command_line->HasSwitch(switches::kPersistSessionCookies);
@@ -537,29 +623,17 @@ void CefContext::PopulateRequestContextSettings(
       CefString(&settings_.accept_language_list);
 }
 
-bool CefContext::ValidateCachePath(const base::FilePath& cache_path) {
-  if (cache_path.empty())
-    return true;
+void CefContext::NormalizeRequestContextSettings(
+    CefRequestContextSettings* settings) {
+  // The |root_cache_path| value was already normalized in Initialize.
+  const base::FilePath& root_cache_path = CefString(&settings_.root_cache_path);
+  NormalizeCachePathAndSet(settings->cache_path, root_cache_path);
 
-  const base::FilePath& root_cache_path =
-      base::FilePath(CefString(&settings_.root_cache_path));
-  if (!root_cache_path.empty() && root_cache_path != cache_path &&
-      !root_cache_path.IsParent(cache_path)) {
-    LOG(ERROR) << "The cache_path directory (" << cache_path.value()
-               << ") is not a child of the root_cache_path directory ("
-               << root_cache_path.value() << ")";
-    return false;
+  if (settings->accept_language_list.length == 0) {
+    // Use the global language list setting.
+    CefString(&settings->accept_language_list) =
+        CefString(&settings_.accept_language_list);
   }
-
-  base::ThreadRestrictions::ScopedAllowIO allow_io;
-  if (!base::DirectoryExists(cache_path) &&
-      !base::CreateDirectory(cache_path)) {
-    LOG(ERROR) << "The cache_path directory (" << cache_path.value()
-               << ") could not be created.";
-    return false;
-  }
-
-  return true;
 }
 
 void CefContext::AddObserver(Observer* observer) {

libcef/browser/context.h

@@ -87,10 +87,11 @@ class CefContext {
 
   // Populate request context settings for the global system context based on
   // CefSettings and command-line flags.
-  void PopulateRequestContextSettings(CefRequestContextSettings* settings);
+  void PopulateGlobalRequestContextSettings(
+      CefRequestContextSettings* settings);
 
-  // Verify that |cache_path| is valid and create it if necessary.
-  bool ValidateCachePath(const base::FilePath& cache_path);
+  // Normalize and validate request context settings for user-created contexts.
+  void NormalizeRequestContextSettings(CefRequestContextSettings* settings);
 
   // Manage observer objects. The observer must either outlive this object or
   // remove itself before destruction. These methods can only be called on the

libcef/browser/context_menu_params_impl.h

@@ -9,7 +9,7 @@
 #include "include/cef_context_menu_handler.h"
 #include "libcef/common/value_base.h"
 
-#include "content/public/common/context_menu_params.h"
+#include "content/public/browser/context_menu_params.h"
 
 // CefContextMenuParams implementation. This class is not thread safe.
 class CefContextMenuParamsImpl

libcef/browser/devtools/devtools_controller.cc

@@ -0,0 +1,137 @@
+// Copyright (c) 2020 The Chromium Embedded Framework Authors. All rights
+// reserved. Use of this source code is governed by a BSD-style license that
+// can be found in the LICENSE file.
+
+#include "libcef/browser/devtools/devtools_controller.h"
+
+#include "libcef/browser/devtools/devtools_util.h"
+#include "libcef/browser/thread_util.h"
+
+#include "base/json/json_reader.h"
+#include "base/json/json_writer.h"
+#include "content/public/browser/devtools_agent_host.h"
+
+CefDevToolsController::CefDevToolsController(
+    content::WebContents* inspected_contents)
+    : inspected_contents_(inspected_contents), weak_ptr_factory_(this) {
+  DCHECK(inspected_contents_);
+}
+
+CefDevToolsController::~CefDevToolsController() {
+  if (agent_host_) {
+    agent_host_->DetachClient(this);
+    AgentHostClosed(agent_host_.get());
+  }
+
+  for (auto& observer : observers_) {
+    observer.OnDevToolsControllerDestroyed();
+  }
+}
+
+bool CefDevToolsController::SendDevToolsMessage(
+    const base::StringPiece& message) {
+  CEF_REQUIRE_UIT();
+  if (!EnsureAgentHost())
+    return false;
+
+  agent_host_->DispatchProtocolMessage(
+      this, base::as_bytes(base::make_span(message)));
+  return true;
+}
+
+int CefDevToolsController::ExecuteDevToolsMethod(
+    int suggested_message_id,
+    const std::string& method,
+    const base::DictionaryValue* params) {
+  CEF_REQUIRE_UIT();
+  if (!EnsureAgentHost())
+    return 0;
+
+  // Message IDs must always be increasing and unique.
+  int message_id = suggested_message_id;
+  if (message_id < next_message_id_)
+    message_id = next_message_id_++;
+  else
+    next_message_id_ = message_id + 1;
+
+  base::DictionaryValue message;
+  message.SetIntKey("id", message_id);
+  message.SetStringKey("method", method);
+  if (params)
+    message.SetKey("params", params->Clone());
+
+  std::string protocol_message;
+  if (!base::JSONWriter::Write(message, &protocol_message))
+    return 0;
+
+  agent_host_->DispatchProtocolMessage(
+      this, base::as_bytes(base::make_span(protocol_message)));
+  return message_id;
+}
+
+void CefDevToolsController::AgentHostClosed(
+    content::DevToolsAgentHost* agent_host) {
+  DCHECK(agent_host == agent_host_.get());
+  agent_host_ = nullptr;
+  for (auto& observer : observers_) {
+    observer.OnDevToolsAgentDetached();
+  }
+}
+
+void CefDevToolsController::AddObserver(Observer* observer) {
+  CEF_REQUIRE_UIT();
+  observers_.AddObserver(observer);
+}
+
+void CefDevToolsController::RemoveObserver(Observer* observer) {
+  CEF_REQUIRE_UIT();
+  observers_.RemoveObserver(observer);
+}
+
+void CefDevToolsController::DispatchProtocolMessage(
+    content::DevToolsAgentHost* agent_host,
+    base::span<const uint8_t> message) {
+  if (!observers_.might_have_observers())
+    return;
+
+  base::StringPiece str_message(reinterpret_cast<const char*>(message.data()),
+                                message.size());
+  if (!devtools_util::ProtocolParser::IsValidMessage(str_message)) {
+    LOG(WARNING) << "Invalid message: " << str_message.substr(0, 100);
+    return;
+  }
+
+  devtools_util::ProtocolParser parser;
+
+  for (auto& observer : observers_) {
+    if (observer.OnDevToolsMessage(str_message)) {
+      continue;
+    }
+
+    // Only perform parsing a single time.
+    if (parser.Initialize(str_message) && parser.IsFailure()) {
+      LOG(WARNING) << "Failed to parse message: " << str_message.substr(0, 100);
+    }
+
+    if (parser.IsEvent()) {
+      observer.OnDevToolsEvent(parser.method_, parser.params_);
+    } else if (parser.IsResult()) {
+      observer.OnDevToolsMethodResult(parser.message_id_, parser.success_,
+                                      parser.params_);
+    }
+  }
+}
+
+bool CefDevToolsController::EnsureAgentHost() {
+  if (!agent_host_) {
+    agent_host_ =
+        content::DevToolsAgentHost::GetOrCreateFor(inspected_contents_);
+    if (agent_host_) {
+      agent_host_->AttachClient(this);
+      for (auto& observer : observers_) {
+        observer.OnDevToolsAgentAttached();
+      }
+    }
+  }
+  return !!agent_host_;
+}

libcef/browser/devtools/devtools_controller.h

@@ -0,0 +1,79 @@
+// Copyright (c) 2020 The Chromium Embedded Framework Authors. All rights
+// reserved. Use of this source code is governed by a BSD-style license that
+// can be found in the LICENSE file.
+
+#ifndef CEF_LIBCEF_BROWSER_DEVTOOLS_DEVTOOLS_CONTROLLER_H_
+#define CEF_LIBCEF_BROWSER_DEVTOOLS_DEVTOOLS_CONTROLLER_H_
+
+#include <memory>
+
+#include "content/public/browser/devtools_agent_host_client.h"
+
+#include "base/containers/span.h"
+#include "base/memory/scoped_refptr.h"
+#include "base/memory/weak_ptr.h"
+#include "base/observer_list.h"
+#include "base/values.h"
+
+namespace content {
+class WebContents;
+}
+
+class CefDevToolsController : public content::DevToolsAgentHostClient {
+ public:
+  class Observer : public base::CheckedObserver {
+   public:
+    // See CefDevToolsMessageObserver documentation.
+    virtual bool OnDevToolsMessage(const base::StringPiece& message) = 0;
+    virtual void OnDevToolsMethodResult(int message_id,
+                                        bool success,
+                                        const base::StringPiece& result) = 0;
+    virtual void OnDevToolsEvent(const base::StringPiece& method,
+                                 const base::StringPiece& params) = 0;
+    virtual void OnDevToolsAgentAttached() = 0;
+    virtual void OnDevToolsAgentDetached() = 0;
+
+    virtual void OnDevToolsControllerDestroyed() = 0;
+
+   protected:
+    ~Observer() override {}
+  };
+
+  // |inspected_contents| will outlive this object.
+  explicit CefDevToolsController(content::WebContents* inspected_contents);
+  ~CefDevToolsController() override;
+
+  // See CefBrowserHost methods of the same name for documentation.
+  bool SendDevToolsMessage(const base::StringPiece& message);
+  int ExecuteDevToolsMethod(int message_id,
+                            const std::string& method,
+                            const base::DictionaryValue* params);
+
+  // |observer| must outlive this object or be removed.
+  void AddObserver(Observer* observer);
+  void RemoveObserver(Observer* observer);
+
+  base::WeakPtr<CefDevToolsController> GetWeakPtr() {
+    return weak_ptr_factory_.GetWeakPtr();
+  }
+
+ private:
+  // content::DevToolsAgentHostClient implementation:
+  void AgentHostClosed(content::DevToolsAgentHost* agent_host) override;
+  void DispatchProtocolMessage(content::DevToolsAgentHost* agent_host,
+                               base::span<const uint8_t> message) override;
+
+  bool EnsureAgentHost();
+
+  content::WebContents* const inspected_contents_;
+  scoped_refptr<content::DevToolsAgentHost> agent_host_;
+  int next_message_id_ = 1;
+
+  base::ObserverList<Observer> observers_;
+
+  base::WeakPtrFactory<CefDevToolsController> weak_ptr_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(CefDevToolsController);
+};
+
+#endif  // CEF_LIBCEF_BROWSER_DEVTOOLS_DEVTOOLS_CONTROLLER_H_

libcef/browser/devtools/devtools_frontend.cc

@@ -6,13 +6,18 @@
 
 #include <stddef.h>
 
+#include <iomanip>
 #include <utility>
 
 #include "libcef/browser/browser_context.h"
+#include "libcef/browser/content_browser_client.h"
 #include "libcef/browser/devtools/devtools_manager_delegate.h"
 #include "libcef/browser/net/devtools_scheme_handler.h"
+#include "libcef/common/cef_switches.h"
 
 #include "base/base64.h"
+#include "base/command_line.h"
+#include "base/files/file_util.h"
 #include "base/guid.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
@@ -48,6 +53,13 @@
 #include "services/network/public/cpp/simple_url_loader.h"
 #include "services/network/public/cpp/simple_url_loader_stream_consumer.h"
 #include "services/network/public/mojom/url_response_head.mojom.h"
+#include "storage/browser/file_system/native_file_util.h"
+
+#if defined(OS_WIN)
+#include <windows.h>
+#elif defined(OS_POSIX)
+#include <time.h>
+#endif
 
 namespace {
 
@@ -86,6 +98,71 @@ std::unique_ptr<base::DictionaryValue> BuildObjectForResponse(
   return response;
 }
 
+const int kMaxLogLineLength = 1024;
+
+void WriteTimestamp(std::stringstream& stream) {
+#if defined(OS_WIN)
+  SYSTEMTIME local_time;
+  GetLocalTime(&local_time);
+  stream << std::setfill('0') << std::setw(2) << local_time.wMonth
+         << std::setw(2) << local_time.wDay << '/' << std::setw(2)
+         << local_time.wHour << std::setw(2) << local_time.wMinute
+         << std::setw(2) << local_time.wSecond << '.' << std::setw(3)
+         << local_time.wMilliseconds;
+#elif defined(OS_POSIX)
+  timeval tv;
+  gettimeofday(&tv, nullptr);
+  time_t t = tv.tv_sec;
+  struct tm local_time;
+  localtime_r(&t, &local_time);
+  struct tm* tm_time = &local_time;
+  stream << std::setfill('0') << std::setw(2) << 1 + tm_time->tm_mon
+         << std::setw(2) << tm_time->tm_mday << '/' << std::setw(2)
+         << tm_time->tm_hour << std::setw(2) << tm_time->tm_min << std::setw(2)
+         << tm_time->tm_sec << '.' << std::setw(6) << tv.tv_usec;
+#else
+#error Unsupported platform
+#endif
+}
+
+void LogProtocolMessage(const base::FilePath& log_file,
+                        ProtocolMessageType type,
+                        std::string to_log) {
+  // Track if logging has failed, in which case we don't keep trying.
+  static bool log_error = false;
+  if (log_error)
+    return;
+
+  if (storage::NativeFileUtil::EnsureFileExists(log_file, nullptr) !=
+      base::File::FILE_OK) {
+    LOG(ERROR) << "Failed to create file " << log_file.value();
+    log_error = true;
+    return;
+  }
+
+  std::string type_label;
+  switch (type) {
+    case ProtocolMessageType::METHOD:
+      type_label = "METHOD";
+      break;
+    case ProtocolMessageType::RESULT:
+      type_label = "RESULT";
+      break;
+    case ProtocolMessageType::EVENT:
+      type_label = "EVENT";
+      break;
+  }
+
+  std::stringstream stream;
+  WriteTimestamp(stream);
+  stream << ": " << type_label << ": " << to_log << "\n";
+  const std::string& str = stream.str();
+  if (!base::AppendToFile(log_file, str.c_str(), str.size())) {
+    LOG(ERROR) << "Failed to write file " << log_file.value();
+    log_error = true;
+  }
+}
+
 }  // namespace
 
 class CefDevToolsFrontend::NetworkResourceLoader
@@ -156,11 +233,12 @@ const size_t kMaxMessageChunkSize = IPC::Channel::kMaximumMessageSize / 4;
 
 // static
 CefDevToolsFrontend* CefDevToolsFrontend::Show(
-    CefRefPtr<CefBrowserHostImpl> inspected_browser,
+    CefBrowserHostImpl* inspected_browser,
     const CefWindowInfo& windowInfo,
     CefRefPtr<CefClient> client,
     const CefBrowserSettings& settings,
-    const CefPoint& inspect_element_at) {
+    const CefPoint& inspect_element_at,
+    base::OnceClosure frontend_destroyed_callback) {
   CefBrowserSettings new_settings = settings;
   if (!windowInfo.windowless_rendering_enabled &&
       CefColorGetA(new_settings.background_color) != SK_AlphaOPAQUE) {
@@ -187,7 +265,8 @@ CefDevToolsFrontend* CefDevToolsFrontend::Show(
   // destroyed.
   CefDevToolsFrontend* devtools_frontend = new CefDevToolsFrontend(
       static_cast<CefBrowserHostImpl*>(frontend_browser.get()),
-      inspected_contents, inspect_element_at);
+      inspected_contents, inspect_element_at,
+      std::move(frontend_destroyed_callback));
 
   // Need to load the URL after creating the DevTools objects.
   frontend_browser->GetMainFrame()->LoadURL(GetFrontendURL());
@@ -216,23 +295,23 @@ void CefDevToolsFrontend::Close() {
                             frontend_browser_.get(), true));
 }
 
-void CefDevToolsFrontend::DisconnectFromTarget() {
-  if (!agent_host_)
-    return;
-  agent_host_->DetachClient(this);
-  agent_host_ = nullptr;
-}
-
 CefDevToolsFrontend::CefDevToolsFrontend(
-    CefRefPtr<CefBrowserHostImpl> frontend_browser,
+    CefBrowserHostImpl* frontend_browser,
     content::WebContents* inspected_contents,
-    const CefPoint& inspect_element_at)
+    const CefPoint& inspect_element_at,
+    base::OnceClosure frontend_destroyed_callback)
     : content::WebContentsObserver(frontend_browser->web_contents()),
       frontend_browser_(frontend_browser),
       inspected_contents_(inspected_contents),
       inspect_element_at_(inspect_element_at),
-      file_manager_(frontend_browser.get(), GetPrefs()),
-      weak_factory_(this) {}
+      frontend_destroyed_callback_(std::move(frontend_destroyed_callback)),
+      file_manager_(frontend_browser, GetPrefs()),
+      protocol_log_file_(
+          base::CommandLine::ForCurrentProcess()->GetSwitchValuePath(
+              switches::kDevToolsProtocolLogFile)),
+      weak_factory_(this) {
+  DCHECK(!frontend_destroyed_callback_.is_null());
+}
 
 CefDevToolsFrontend::~CefDevToolsFrontend() {}
 
@@ -279,6 +358,7 @@ void CefDevToolsFrontend::WebContentsDestroyed() {
     agent_host_->DetachClient(this);
     agent_host_ = nullptr;
   }
+  std::move(frontend_destroyed_callback_).Run();
   delete this;
 }
 
@@ -300,6 +380,9 @@ void CefDevToolsFrontend::HandleMessageFromDevToolsFrontend(
     std::string protocol_message;
     if (!agent_host_ || !params->GetString(0, &protocol_message))
       return;
+    if (ProtocolLoggingEnabled()) {
+      LogProtocolMessage(ProtocolMessageType::METHOD, protocol_message);
+    }
     agent_host_->DispatchProtocolMessage(
         this, base::as_bytes(base::make_span(protocol_message)));
   } else if (method == "loadCompleted") {
@@ -451,6 +534,14 @@ void CefDevToolsFrontend::DispatchProtocolMessage(
     base::span<const uint8_t> message) {
   base::StringPiece str_message(reinterpret_cast<const char*>(message.data()),
                                 message.size());
+  if (ProtocolLoggingEnabled()) {
+    // Quick check to avoid parsing the JSON object. Events begin with a
+    // "method" value whereas method results begin with an "id" value.
+    LogProtocolMessage(str_message.starts_with("{\"method\":")
+                           ? ProtocolMessageType::EVENT
+                           : ProtocolMessageType::RESULT,
+                       str_message);
+  }
   if (str_message.length() < kMaxMessageChunkSize) {
     std::string param;
     base::EscapeJSONString(str_message, true, &param);
@@ -504,6 +595,23 @@ void CefDevToolsFrontend::SendMessageAck(int request_id,
   CallClientFunction("DevToolsAPI.embedderMessageAck", &id_value, arg, nullptr);
 }
 
+bool CefDevToolsFrontend::ProtocolLoggingEnabled() const {
+  return !protocol_log_file_.empty();
+}
+
+void CefDevToolsFrontend::LogProtocolMessage(ProtocolMessageType type,
+                                             const base::StringPiece& message) {
+  DCHECK(ProtocolLoggingEnabled());
+
+  std::string to_log = message.substr(0, kMaxLogLineLength).as_string();
+
+  // Execute in an ordered context that allows blocking.
+  auto task_runner = CefContentBrowserClient::Get()->background_task_runner();
+  task_runner->PostTask(
+      FROM_HERE, base::BindOnce(::LogProtocolMessage, protocol_log_file_, type,
+                                std::move(to_log)));
+}
+
 void CefDevToolsFrontend::AgentHostClosed(
     content::DevToolsAgentHost* agent_host) {
   DCHECK(agent_host == agent_host_.get());

libcef/browser/devtools/devtools_frontend.h

@@ -11,6 +11,7 @@
 #include "libcef/browser/devtools/devtools_file_manager.h"
 
 #include "base/compiler_specific.h"
+#include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
@@ -31,36 +32,38 @@ class WebContents;
 
 class PrefService;
 
+enum class ProtocolMessageType {
+  METHOD,
+  RESULT,
+  EVENT,
+};
+
 class CefDevToolsFrontend : public content::WebContentsObserver,
                             public content::DevToolsAgentHostClient {
  public:
   static CefDevToolsFrontend* Show(
-      CefRefPtr<CefBrowserHostImpl> inspected_browser,
+      CefBrowserHostImpl* inspected_browser,
       const CefWindowInfo& windowInfo,
       CefRefPtr<CefClient> client,
       const CefBrowserSettings& settings,
-      const CefPoint& inspect_element_at);
+      const CefPoint& inspect_element_at,
+      base::OnceClosure frontend_destroyed_callback);
 
   void Activate();
   void Focus();
   void InspectElementAt(int x, int y);
   void Close();
 
-  void DisconnectFromTarget();
-
   void CallClientFunction(const std::string& function_name,
                           const base::Value* arg1,
                           const base::Value* arg2,
                           const base::Value* arg3);
 
-  CefRefPtr<CefBrowserHostImpl> frontend_browser() const {
-    return frontend_browser_;
-  }
-
  private:
-  CefDevToolsFrontend(CefRefPtr<CefBrowserHostImpl> frontend_browser,
+  CefDevToolsFrontend(CefBrowserHostImpl* frontend_browser,
                       content::WebContents* inspected_contents,
-                      const CefPoint& inspect_element_at);
+                      const CefPoint& inspect_element_at,
+                      base::OnceClosure destroyed_callback);
   ~CefDevToolsFrontend() override;
 
   // content::DevToolsAgentHostClient implementation.
@@ -78,12 +81,17 @@ class CefDevToolsFrontend : public content::WebContentsObserver,
 
   void SendMessageAck(int request_id, const base::Value* arg1);
 
+  bool ProtocolLoggingEnabled() const;
+  void LogProtocolMessage(ProtocolMessageType type,
+                          const base::StringPiece& message);
+
   PrefService* GetPrefs() const;
 
   CefRefPtr<CefBrowserHostImpl> frontend_browser_;
   content::WebContents* inspected_contents_;
   scoped_refptr<content::DevToolsAgentHost> agent_host_;
   CefPoint inspect_element_at_;
+  base::OnceClosure frontend_destroyed_callback_;
   std::unique_ptr<content::DevToolsFrontendHost> frontend_host_;
 
   class NetworkResourceLoader;
@@ -93,6 +101,9 @@ class CefDevToolsFrontend : public content::WebContentsObserver,
   using ExtensionsAPIs = std::map<std::string, std::string>;
   ExtensionsAPIs extensions_api_;
   CefDevToolsFileManager file_manager_;
+
+  const base::FilePath protocol_log_file_;
+
   base::WeakPtrFactory<CefDevToolsFrontend> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CefDevToolsFrontend);

libcef/browser/devtools/devtools_manager.cc

@@ -0,0 +1,200 @@
+// Copyright (c) 2020 The Chromium Embedded Framework Authors. All rights
+// reserved. Use of this source code is governed by a BSD-style license that
+// can be found in the LICENSE file.
+
+#include "libcef/browser/devtools/devtools_manager.h"
+
+#include "libcef/browser/devtools/devtools_controller.h"
+#include "libcef/browser/devtools/devtools_frontend.h"
+
+#include "content/public/browser/web_contents.h"
+
+namespace {
+
+// May be created on any thread but will be destroyed on the UI thread.
+class CefDevToolsRegistrationImpl : public CefRegistration,
+                                    public CefDevToolsController::Observer {
+ public:
+  explicit CefDevToolsRegistrationImpl(
+      CefRefPtr<CefDevToolsMessageObserver> observer)
+      : observer_(observer) {
+    DCHECK(observer_);
+  }
+
+  ~CefDevToolsRegistrationImpl() override {
+    CEF_REQUIRE_UIT();
+
+    // May be null if OnDevToolsControllerDestroyed was called.
+    if (!controller_)
+      return;
+
+    controller_->RemoveObserver(this);
+  }
+
+  void Initialize(CefBrowserHostImpl* browser,
+                  base::WeakPtr<CefDevToolsController> controller) {
+    CEF_REQUIRE_UIT();
+    DCHECK(browser && controller);
+    DCHECK(!browser_ && !controller_);
+    browser_ = browser;
+    controller_ = controller;
+
+    controller_->AddObserver(this);
+  }
+
+ private:
+  // CefDevToolsController::Observer methods:
+  bool OnDevToolsMessage(const base::StringPiece& message) override {
+    CEF_REQUIRE_UIT();
+    return observer_->OnDevToolsMessage(browser_, message.data(),
+                                        message.size());
+  }
+
+  void OnDevToolsMethodResult(int message_id,
+                              bool success,
+                              const base::StringPiece& result) override {
+    CEF_REQUIRE_UIT();
+    observer_->OnDevToolsMethodResult(browser_, message_id, success,
+                                      result.data(), result.size());
+  }
+
+  void OnDevToolsEvent(const base::StringPiece& method,
+                       const base::StringPiece& params) override {
+    CEF_REQUIRE_UIT();
+    observer_->OnDevToolsEvent(browser_, method.as_string(), params.data(),
+                               params.size());
+  }
+
+  void OnDevToolsAgentAttached() override {
+    CEF_REQUIRE_UIT();
+    observer_->OnDevToolsAgentAttached(browser_);
+  }
+
+  void OnDevToolsAgentDetached() override {
+    CEF_REQUIRE_UIT();
+    observer_->OnDevToolsAgentDetached(browser_);
+  }
+
+  void OnDevToolsControllerDestroyed() override {
+    CEF_REQUIRE_UIT();
+    browser_ = nullptr;
+    controller_.reset();
+  }
+
+  CefRefPtr<CefDevToolsMessageObserver> observer_;
+
+  CefBrowserHostImpl* browser_ = nullptr;
+  base::WeakPtr<CefDevToolsController> controller_;
+
+  IMPLEMENT_REFCOUNTING_DELETE_ON_UIT(CefDevToolsRegistrationImpl);
+  DISALLOW_COPY_AND_ASSIGN(CefDevToolsRegistrationImpl);
+};
+
+}  // namespace
+
+CefDevToolsManager::CefDevToolsManager(CefBrowserHostImpl* inspected_browser)
+    : inspected_browser_(inspected_browser), weak_ptr_factory_(this) {
+  CEF_REQUIRE_UIT();
+}
+
+CefDevToolsManager::~CefDevToolsManager() {
+  CEF_REQUIRE_UIT();
+}
+
+void CefDevToolsManager::ShowDevTools(const CefWindowInfo& windowInfo,
+                                      CefRefPtr<CefClient> client,
+                                      const CefBrowserSettings& settings,
+                                      const CefPoint& inspect_element_at) {
+  CEF_REQUIRE_UIT();
+  if (devtools_frontend_) {
+    if (!inspect_element_at.IsEmpty()) {
+      devtools_frontend_->InspectElementAt(inspect_element_at.x,
+                                           inspect_element_at.y);
+    }
+    devtools_frontend_->Focus();
+    return;
+  }
+
+  devtools_frontend_ = CefDevToolsFrontend::Show(
+      inspected_browser_, windowInfo, client, settings, inspect_element_at,
+      base::BindOnce(&CefDevToolsManager::OnFrontEndDestroyed,
+                     weak_ptr_factory_.GetWeakPtr()));
+}
+
+void CefDevToolsManager::CloseDevTools() {
+  CEF_REQUIRE_UIT();
+  if (!devtools_frontend_)
+    return;
+  devtools_frontend_->Close();
+}
+
+bool CefDevToolsManager::HasDevTools() {
+  CEF_REQUIRE_UIT();
+  return !!devtools_frontend_;
+}
+
+bool CefDevToolsManager::SendDevToolsMessage(const void* message,
+                                             size_t message_size) {
+  CEF_REQUIRE_UIT();
+  if (!message || message_size == 0)
+    return false;
+
+  if (!EnsureController())
+    return false;
+
+  return devtools_controller_->SendDevToolsMessage(
+      base::StringPiece(static_cast<const char*>(message), message_size));
+}
+
+int CefDevToolsManager::ExecuteDevToolsMethod(
+    int message_id,
+    const CefString& method,
+    CefRefPtr<CefDictionaryValue> params) {
+  CEF_REQUIRE_UIT();
+  if (method.empty())
+    return 0;
+
+  if (!EnsureController())
+    return 0;
+
+  if (params && params->IsValid()) {
+    CefDictionaryValueImpl* impl =
+        static_cast<CefDictionaryValueImpl*>(params.get());
+    CefValueController::AutoLock lock_scope(impl->controller());
+    return devtools_controller_->ExecuteDevToolsMethod(message_id, method,
+                                                       impl->GetValueUnsafe());
+  } else {
+    return devtools_controller_->ExecuteDevToolsMethod(message_id, method,
+                                                       nullptr);
+  }
+}
+
+// static
+CefRefPtr<CefRegistration> CefDevToolsManager::CreateRegistration(
+    CefRefPtr<CefDevToolsMessageObserver> observer) {
+  DCHECK(observer);
+  return new CefDevToolsRegistrationImpl(observer);
+}
+
+void CefDevToolsManager::InitializeRegistrationOnUIThread(
+    CefRefPtr<CefRegistration> registration) {
+  CEF_REQUIRE_UIT();
+
+  if (!EnsureController())
+    return;
+
+  static_cast<CefDevToolsRegistrationImpl*>(registration.get())
+      ->Initialize(inspected_browser_, devtools_controller_->GetWeakPtr());
+}
+
+void CefDevToolsManager::OnFrontEndDestroyed() {
+  devtools_frontend_ = nullptr;
+}
+
+bool CefDevToolsManager::EnsureController() {
+  if (!devtools_controller_) {
+    devtools_controller_.reset(
+        new CefDevToolsController(inspected_browser_->web_contents()));
+  }
+  return true;
+}

libcef/browser/devtools/devtools_manager.h

@@ -0,0 +1,69 @@
+// Copyright (c) 2020 The Chromium Embedded Framework Authors. All rights
+// reserved. Use of this source code is governed by a BSD-style license that
+// can be found in the LICENSE file.
+
+#ifndef CEF_LIBCEF_BROWSER_DEVTOOLS_DEVTOOLS_MANAGER_H_
+#define CEF_LIBCEF_BROWSER_DEVTOOLS_DEVTOOLS_MANAGER_H_
+#pragma once
+
+#include "include/cef_browser.h"
+
+#include "base/memory/weak_ptr.h"
+
+class CefBrowserHostImpl;
+class CefDevToolsController;
+class CefDevToolsFrontend;
+
+namespace content {
+class WebContents;
+}
+
+// Manages DevTools instances. Methods must be called on the UI thread unless
+// otherwise indicated.
+class CefDevToolsManager {
+ public:
+  // |inspected_browser| will outlive this object.
+  explicit CefDevToolsManager(CefBrowserHostImpl* inspected_browser);
+  ~CefDevToolsManager();
+
+  // See CefBrowserHost methods of the same name for documentation.
+  void ShowDevTools(const CefWindowInfo& windowInfo,
+                    CefRefPtr<CefClient> client,
+                    const CefBrowserSettings& settings,
+                    const CefPoint& inspect_element_at);
+  void CloseDevTools();
+  bool HasDevTools();
+  bool SendDevToolsMessage(const void* message, size_t message_size);
+  int ExecuteDevToolsMethod(int message_id,
+                            const CefString& method,
+                            CefRefPtr<CefDictionaryValue> param);
+
+  // These methods are used to implement
+  // CefBrowserHost::AddDevToolsMessageObserver. CreateRegistration is safe to
+  // call on any thread. InitializeRegistrationOnUIThread should be called
+  // immediately afterwards on the UI thread.
+  static CefRefPtr<CefRegistration> CreateRegistration(
+      CefRefPtr<CefDevToolsMessageObserver> observer);
+  void InitializeRegistrationOnUIThread(
+      CefRefPtr<CefRegistration> registration);
+
+ private:
+  void OnFrontEndDestroyed();
+
+  bool EnsureController();
+
+  CefBrowserHostImpl* const inspected_browser_;
+
+  // CefDevToolsFrontend will delete itself when the frontend WebContents is
+  // destroyed.
+  CefDevToolsFrontend* devtools_frontend_ = nullptr;
+
+  // Used for sending DevTools protocol messages without an active frontend.
+  std::unique_ptr<CefDevToolsController> devtools_controller_;
+
+  base::WeakPtrFactory<CefDevToolsManager> weak_ptr_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(CefDevToolsManager);
+};
+
+#endif  // CEF_LIBCEF_BROWSER_DEVTOOLS_DEVTOOLS_MANAGER_H_

libcef/browser/devtools/devtools_util.cc

@@ -0,0 +1,131 @@
+// Copyright (c) 2020 The Chromium Embedded Framework Authors. All rights
+// reserved. Use of this source code is governed by a BSD-style license that
+// can be found in the LICENSE file.
+
+#include "libcef/browser/devtools/devtools_util.h"
+
+#include "base/strings/string_number_conversions.h"
+
+namespace devtools_util {
+
+namespace {
+
+bool IsValidDictionary(const base::StringPiece& str, bool allow_empty) {
+  return str.length() >= (allow_empty ? 2 : 3) && str[0] == '{' &&
+         str[str.length() - 1] == '}';
+}
+
+// Example:
+// {"method":"Target.targetDestroyed","params":{"targetId":"1234..."}}
+bool ParseEvent(const base::StringPiece& message,
+                base::StringPiece& method,
+                base::StringPiece& params) {
+  static const char kMethodStart[] = "{\"method\":\"";
+  static const char kMethodEnd[] = "\"";
+  static const char kParamsStart[] = ",\"params\":";
+
+  if (!message.starts_with(kMethodStart))
+    return false;
+
+  const size_t method_start = sizeof(kMethodStart) - 1;
+  const size_t method_end = message.find(kMethodEnd, method_start);
+  if (method_end < 0U)
+    return false;
+  method = message.substr(method_start, method_end - method_start);
+  if (method.empty())
+    return false;
+
+  size_t remainder_start = method_end + sizeof(kMethodEnd) - 1;
+  if (remainder_start == message.size() - 1) {
+    // No more contents.
+    params = base::StringPiece();
+  } else {
+    const base::StringPiece& remainder = message.substr(remainder_start);
+    if (remainder.starts_with(kParamsStart)) {
+      // Stop immediately before the message closing bracket.
+      remainder_start += sizeof(kParamsStart) - 1;
+      params =
+          message.substr(remainder_start, message.size() - 1 - remainder_start);
+    } else {
+      // Invalid format.
+      return false;
+    }
+
+    if (!IsValidDictionary(params, /*allow_empty=*/true))
+      return false;
+  }
+
+  return true;
+}
+
+// Examples:
+// {"id":3,"result":{}}
+// {"id":4,"result":{"debuggerId":"-2193881606781505058.81393575456727957"}}
+// {"id":5,"error":{"code":-32000,"message":"Not supported"}}
+bool ParseResult(const base::StringPiece& message,
+                 int& message_id,
+                 bool& success,
+                 base::StringPiece& result) {
+  static const char kIdStart[] = "{\"id\":";
+  static const char kIdEnd[] = ",";
+  static const char kResultStart[] = "\"result\":";
+  static const char kErrorStart[] = "\"error\":";
+
+  if (!message.starts_with(kIdStart))
+    return false;
+
+  const size_t id_start = sizeof(kIdStart) - 1;
+  const size_t id_end = message.find(kIdEnd, id_start);
+  if (id_end < 0U)
+    return false;
+  const base::StringPiece& id_str = message.substr(id_start, id_end - id_start);
+  if (id_str.empty() || !base::StringToInt(id_str, &message_id))
+    return false;
+
+  size_t remainder_start = id_end + sizeof(kIdEnd) - 1;
+  const base::StringPiece& remainder = message.substr(remainder_start);
+  if (remainder.starts_with(kResultStart)) {
+    // Stop immediately before the message closing bracket.
+    remainder_start += sizeof(kResultStart) - 1;
+    result =
+        message.substr(remainder_start, message.size() - 1 - remainder_start);
+    success = true;
+  } else if (remainder.starts_with(kErrorStart)) {
+    // Stop immediately before the message closing bracket.
+    remainder_start += sizeof(kErrorStart) - 1;
+    result =
+        message.substr(remainder_start, message.size() - 1 - remainder_start);
+    success = false;
+  } else {
+    // Invalid format.
+    return false;
+  }
+
+  if (!IsValidDictionary(result, /*allow_empty=*/true))
+    return false;
+
+  return true;
+}
+
+}  // namespace
+
+// static
+bool ProtocolParser::IsValidMessage(const base::StringPiece& message) {
+  return IsValidDictionary(message, /*allow_empty=*/false);
+}
+
+bool ProtocolParser::Initialize(const base::StringPiece& message) {
+  if (status_ != UNINITIALIZED)
+    return false;
+
+  if (ParseEvent(message, method_, params_)) {
+    status_ = EVENT;
+  } else if (ParseResult(message, message_id_, success_, params_)) {
+    status_ = RESULT;
+  } else {
+    status_ = FAILURE;
+  }
+  return true;
+}
+
+}  // namespace devtools_util

libcef/browser/devtools/devtools_util.h

@@ -0,0 +1,72 @@
+// Copyright (c) 2020 The Chromium Embedded Framework Authors. All rights
+// reserved. Use of this source code is governed by a BSD-style license that
+// can be found in the LICENSE file.
+
+#ifndef CEF_LIBCEF_BROWSER_DEVTOOLS_DEVTOOLS_UTIL_H_
+#define CEF_LIBCEF_BROWSER_DEVTOOLS_DEVTOOLS_UTIL_H_
+#pragma once
+
+#include "base/strings/string_piece.h"
+
+namespace devtools_util {
+
+// Fast parser for DevTools JSON protocol messages. This implementation makes
+// certain assumptions about the JSON object structure (value order and
+// formatting) to avoid stateful parsing of messages that may be large
+// (sometimes > 1MB in size). The message must be a JSON dictionary that starts
+// with a "method" or "id" value which is non-empty and of the expected data
+// type. Messages that have a "method" value (event message) may optionally have
+// a "params" dictionary. Messages that have an "id" value (result message) must
+// have a "result" or "error" dictionary. The dictionary contents are not
+// validated and may be empty ("{}").
+//
+// Example event message:
+// {"method":"Target.targetDestroyed","params":{"targetId":"1234..."}}
+//
+// Example result messages:
+// {"id":3,"result":{}}
+// {"id":4,"result":{"debuggerId":"-2193881606781505058.81393575456727957"}}
+// {"id":5,"error":{"code":-32000,"message":"Not supported"}}
+struct ProtocolParser {
+  ProtocolParser() = default;
+
+  // Checks for a non-empty JSON dictionary.
+  static bool IsValidMessage(const base::StringPiece& message);
+
+  // Returns false if already initialized.
+  bool Initialize(const base::StringPiece& message);
+
+  bool IsInitialized() const { return status_ != UNINITIALIZED; }
+  bool IsEvent() const { return status_ == EVENT; }
+  bool IsResult() const { return status_ == RESULT; }
+  bool IsFailure() const { return status_ == FAILURE; }
+
+  void Reset() { status_ = UNINITIALIZED; }
+
+  // For event messages:
+  //   "method" string:
+  base::StringPiece method_;
+
+  // For result messages:
+  //   "id" int:
+  int message_id_ = 0;
+  //   true if "result" value, false if "error" value:
+  bool success_ = false;
+
+  // For both:
+  //   "params", "result" or "error" dictionary:
+  base::StringPiece params_;
+
+ private:
+  enum Status {
+    UNINITIALIZED,
+    EVENT,    // Event message.
+    RESULT,   // Result message.
+    FAILURE,  // Parsing failure.
+  };
+  Status status_ = UNINITIALIZED;
+};
+
+}  // namespace devtools_util
+
+#endif  // CEF_LIBCEF_BROWSER_DEVTOOLS_DEVTOOLS_UTIL_H_

libcef/browser/devtools/devtools_util_unittest.cc

@@ -0,0 +1,204 @@
+// Copyright (c) 2020 The Chromium Embedded Framework Authors. All rights
+// reserved. Use of this source code is governed by a BSD-style license that
+// can be found in the LICENSE file.
+
+#include "libcef/browser/devtools/devtools_util.h"
+
+#include "testing/gtest/include/gtest/gtest.h"
+
+using namespace devtools_util;
+
+TEST(DevToolsUtil, ProtocolParser_IsValidMessage) {
+  // Empty dictionary is not valid.
+  EXPECT_FALSE(ProtocolParser::IsValidMessage(""));
+  EXPECT_FALSE(ProtocolParser::IsValidMessage("{}"));
+
+  // Incorrectly formatted dictionary is not valid.
+  EXPECT_FALSE(ProtocolParser::IsValidMessage("{ ]"));
+
+  // Everything else is valid (we don't verify JSON structure).
+  EXPECT_TRUE(ProtocolParser::IsValidMessage("{ }"));
+  EXPECT_TRUE(ProtocolParser::IsValidMessage("{blah blah}"));
+  EXPECT_TRUE(ProtocolParser::IsValidMessage("{method:\"foobar\"}"));
+}
+
+TEST(DevToolsUtil, ProtocolParser_Initialize_IsFailure_Unknown) {
+  ProtocolParser parser;
+  EXPECT_FALSE(parser.IsInitialized());
+
+  // Empty message is invalid.
+  EXPECT_TRUE(parser.Initialize(""));
+  EXPECT_TRUE(parser.IsInitialized());
+  EXPECT_TRUE(parser.IsFailure());
+
+  parser.Reset();
+  EXPECT_FALSE(parser.IsInitialized());
+
+  // Empty dictionary is invalid.
+  EXPECT_TRUE(parser.Initialize("{}"));
+  EXPECT_TRUE(parser.IsInitialized());
+  EXPECT_TRUE(parser.IsFailure());
+
+  parser.Reset();
+  EXPECT_FALSE(parser.IsInitialized());
+
+  // Unrecognized dictionary type is invalid.
+  EXPECT_TRUE(parser.Initialize("{blah blah}"));
+  EXPECT_TRUE(parser.IsInitialized());
+  EXPECT_TRUE(parser.IsFailure());
+}
+
+TEST(DevToolsUtil, ProtocolParser_Initialize_IsFailure_EventMalformed) {
+  ProtocolParser parser;
+  EXPECT_FALSE(parser.IsInitialized());
+
+  // Empty method is invalid.
+  EXPECT_TRUE(parser.Initialize("{\"method\":\"\"}"));
+  EXPECT_TRUE(parser.IsInitialized());
+  EXPECT_TRUE(parser.IsFailure());
+
+  parser.Reset();
+  EXPECT_FALSE(parser.IsInitialized());
+
+  // Unrecognized value is invalid.
+  EXPECT_TRUE(parser.Initialize("{\"method\":\"foo\",oops:false}"));
+  EXPECT_TRUE(parser.IsInitialized());
+  EXPECT_TRUE(parser.IsFailure());
+
+  parser.Reset();
+  EXPECT_FALSE(parser.IsInitialized());
+
+  // Params must be a dictionary.
+  EXPECT_TRUE(parser.Initialize("{\"method\":\",params:[]}"));
+  EXPECT_TRUE(parser.IsInitialized());
+  EXPECT_TRUE(parser.IsFailure());
+}
+
+TEST(DevToolsUtil, ProtocolParser_Initialize_IsEvent) {
+  ProtocolParser parser;
+  EXPECT_FALSE(parser.IsInitialized());
+
+  // Method without params is valid.
+  std::string message = "{\"method\":\"Test.myMethod\"}";
+  EXPECT_TRUE(parser.Initialize(message));
+  EXPECT_TRUE(parser.IsInitialized());
+  EXPECT_TRUE(parser.IsEvent());
+  EXPECT_STREQ("Test.myMethod", parser.method_.as_string().data());
+  EXPECT_TRUE(parser.params_.empty());
+
+  parser.Reset();
+  EXPECT_FALSE(parser.IsInitialized());
+
+  // Method with empty params dictionary is valid.
+  message = "{\"method\":\"Test.myMethod2\",\"params\":{}}";
+  EXPECT_TRUE(parser.Initialize(message));
+  EXPECT_TRUE(parser.IsInitialized());
+  EXPECT_TRUE(parser.IsEvent());
+  EXPECT_STREQ("Test.myMethod2", parser.method_.as_string().data());
+  EXPECT_STREQ("{}", parser.params_.as_string().data());
+
+  parser.Reset();
+  EXPECT_FALSE(parser.IsInitialized());
+
+  // Method with non-empty params dictionary is valid.
+  message = "{\"method\":\"Test.myMethod3\",\"params\":{\"foo\":\"bar\"}}";
+  EXPECT_TRUE(parser.Initialize(message));
+  EXPECT_TRUE(parser.IsInitialized());
+  EXPECT_TRUE(parser.IsEvent());
+  EXPECT_STREQ("Test.myMethod3", parser.method_.as_string().data());
+  EXPECT_STREQ("{\"foo\":\"bar\"}", parser.params_.as_string().data());
+}
+
+TEST(DevToolsUtil, ProtocolParser_Initialize_IsFailure_ResultMalformed) {
+  ProtocolParser parser;
+  EXPECT_FALSE(parser.IsInitialized());
+
+  // Empty ID is invalid.
+  EXPECT_TRUE(parser.Initialize("{\"id\":,result:{}}"));
+  EXPECT_TRUE(parser.IsInitialized());
+  EXPECT_TRUE(parser.IsFailure());
+
+  parser.Reset();
+  EXPECT_FALSE(parser.IsInitialized());
+
+  // Missing result or error value is invalid.
+  EXPECT_TRUE(parser.Initialize("{\"id\":1}"));
+  EXPECT_TRUE(parser.IsInitialized());
+  EXPECT_TRUE(parser.IsFailure());
+
+  parser.Reset();
+  EXPECT_FALSE(parser.IsInitialized());
+
+  // Unrecognized value is invalid.
+  EXPECT_TRUE(parser.Initialize("{\"id\":1,oops:false}"));
+  EXPECT_TRUE(parser.IsInitialized());
+  EXPECT_TRUE(parser.IsFailure());
+
+  parser.Reset();
+  EXPECT_FALSE(parser.IsInitialized());
+
+  // Result must be a dictionary.
+  EXPECT_TRUE(parser.Initialize("{\"id\":1,\"result\":[]}"));
+  EXPECT_TRUE(parser.IsInitialized());
+  EXPECT_TRUE(parser.IsFailure());
+
+  parser.Reset();
+  EXPECT_FALSE(parser.IsInitialized());
+
+  // Error must be a dictionary.
+  EXPECT_TRUE(parser.Initialize("{\"id\":1,\"error\":[]}"));
+  EXPECT_TRUE(parser.IsInitialized());
+  EXPECT_TRUE(parser.IsFailure());
+}
+
+TEST(DevToolsUtil, ProtocolParser_Initialize_IsResult_Result) {
+  ProtocolParser parser;
+  EXPECT_FALSE(parser.IsInitialized());
+
+  // Id with empty result dictionary is valid.
+  std::string message = "{\"id\":1,\"result\":{}}";
+  EXPECT_TRUE(parser.Initialize(message));
+  EXPECT_TRUE(parser.IsInitialized());
+  EXPECT_TRUE(parser.IsResult());
+  EXPECT_EQ(1, parser.message_id_);
+  EXPECT_TRUE(parser.success_);
+  EXPECT_STREQ("{}", parser.params_.as_string().data());
+
+  parser.Reset();
+  EXPECT_FALSE(parser.IsInitialized());
+
+  // Id with non-empty result dictionary is valid.
+  message = "{\"id\":2,\"result\":{\"foo\":\"bar\"}}";
+  EXPECT_TRUE(parser.Initialize(message));
+  EXPECT_TRUE(parser.IsInitialized());
+  EXPECT_TRUE(parser.IsResult());
+  EXPECT_EQ(2, parser.message_id_);
+  EXPECT_TRUE(parser.success_);
+  EXPECT_STREQ("{\"foo\":\"bar\"}", parser.params_.as_string().data());
+}
+
+TEST(DevToolsUtil, ProtocolParser_Initialize_IsResult_Error) {
+  ProtocolParser parser;
+  EXPECT_FALSE(parser.IsInitialized());
+
+  // Id with empty error dictionary is valid.
+  std::string message = "{\"id\":1,\"error\":{}}";
+  EXPECT_TRUE(parser.Initialize(message));
+  EXPECT_TRUE(parser.IsInitialized());
+  EXPECT_TRUE(parser.IsResult());
+  EXPECT_EQ(1, parser.message_id_);
+  EXPECT_FALSE(parser.success_);
+  EXPECT_STREQ("{}", parser.params_.as_string().data());
+
+  parser.Reset();
+  EXPECT_FALSE(parser.IsInitialized());
+
+  // Id with non-empty error dictionary is valid.
+  message = "{\"id\":2,\"error\":{\"foo\":\"bar\"}}";
+  EXPECT_TRUE(parser.Initialize(message));
+  EXPECT_TRUE(parser.IsInitialized());
+  EXPECT_TRUE(parser.IsResult());
+  EXPECT_EQ(2, parser.message_id_);
+  EXPECT_FALSE(parser.success_);
+  EXPECT_STREQ("{\"foo\":\"bar\"}", parser.params_.as_string().data());
+}

libcef/browser/extensions/browser_extensions_util.cc

@@ -58,8 +58,10 @@ content::WebContents* GetOwnerForGuestContents(content::WebContents* guest) {
       static_cast<content::WebContentsImpl*>(guest);
   content::BrowserPluginGuest* plugin_guest =
       guest_impl->GetBrowserPluginGuest();
-  if (plugin_guest)
-    return plugin_guest->embedder_web_contents();
+  if (plugin_guest) {
+    return content::WebContents::FromRenderFrameHost(
+        plugin_guest->GetEmbedderFrame());
+  }
 
   // Maybe it's a print preview dialog.
   auto print_preview_controller =

libcef/browser/extensions/extension_function_details.cc

@@ -423,8 +423,8 @@ std::unique_ptr<api::tabs::Tab> CefExtensionFunctionDetails::CreateTabObject(
   tab_object->id = std::make_unique<int>(new_browser->GetIdentifier());
   tab_object->index = index;
   tab_object->window_id = *tab_object->id;
-  tab_object->status = std::make_unique<std::string>(
-      is_loading ? keys::kStatusValueLoading : keys::kStatusValueComplete);
+  tab_object->status = is_loading ? api::tabs::TAB_STATUS_LOADING
+                                  : api::tabs::TAB_STATUS_COMPLETE;
   tab_object->active = active;
   tab_object->selected = true;
   tab_object->highlighted = true;

libcef/browser/extensions/extensions_browser_client.cc

@@ -167,7 +167,7 @@ void CefExtensionsBrowserClient::LoadResourceFromResourceBundle(
 
 bool CefExtensionsBrowserClient::AllowCrossRendererResourceLoad(
     const GURL& url,
-    content::ResourceType resource_type,
+    blink::mojom::ResourceType resource_type,
     ui::PageTransition page_transition,
     int child_id,
     bool is_incognito,

libcef/browser/extensions/extensions_browser_client.h

@@ -55,7 +55,7 @@ class CefExtensionsBrowserClient : public ExtensionsBrowserClient {
       mojo::PendingRemote<network::mojom::URLLoaderClient> client,
       bool send_cors_header) override;
   bool AllowCrossRendererResourceLoad(const GURL& url,
-                                      content::ResourceType resource_type,
+                                      blink::mojom::ResourceType resource_type,
                                       ui::PageTransition page_transition,
                                       int child_id,
                                       bool is_incognito,

libcef/browser/extensions/pdf_extension_util.cc

@@ -32,9 +32,9 @@ const char kPdfResourceIdentifier[] = "chromium-pdf";
 const char kPdfPluginName[] = "Chrome PDF Viewer";
 
 std::string GetManifest() {
-  std::string manifest_contents = ui::ResourceBundle::GetSharedInstance()
-                                      .GetRawDataResource(IDR_PDF_MANIFEST)
-                                      .as_string();
+  std::string manifest_contents =
+      ui::ResourceBundle::GetSharedInstance().LoadDataResourceString(
+          IDR_PDF_MANIFEST);
   DCHECK(manifest_contents.find(kNameTag) != std::string::npos);
   base::ReplaceFirstSubstringAfterOffset(&manifest_contents, 0, kNameTag,
                                          kPdfPluginName);

libcef/browser/frame_host_impl.cc

@@ -367,6 +367,11 @@ void CefFrameHostImpl::SendCommand(
   if (frame_id < CefFrameHostImpl::kMainFrameId)
     return;
 
+  if (!render_frame_host_ || !response_manager_) {
+    // detached frame has no response_manager_
+    return;
+  }
+
   TRACE_EVENT2("cef", "CefFrameHostImpl::SendCommand", "frame_id", frame_id,
                "needsResponse", responseHandler.get() ? 1 : 0);
   Cef_Request_Params params;
@@ -407,6 +412,11 @@ void CefFrameHostImpl::SendCode(
   if (frame_id < CefFrameHostImpl::kMainFrameId)
     return;
 
+  if (!render_frame_host_ || !response_manager_) {
+    // detached frame has no response_manager_
+    return;
+  }
+
   TRACE_EVENT2("cef", "CefFrameHostImpl::SendCommand", "frame_id", frame_id,
                "needsResponse", responseHandler.get() ? 1 : 0);
   Cef_Request_Params params;

libcef/browser/media_router/media_route_impl.cc

@@ -0,0 +1,83 @@
+// Copyright (c) 2020 The Chromium Embedded Framework Authors. All rights
+// reserved. Use of this source code is governed by a BSD-style license that
+// can be found in the LICENSE file.
+
+#include "libcef/browser/media_router/media_route_impl.h"
+
+#include "libcef/browser/media_router/media_router_manager.h"
+#include "libcef/browser/media_router/media_sink_impl.h"
+#include "libcef/browser/media_router/media_source_impl.h"
+#include "libcef/browser/thread_util.h"
+
+namespace {
+
+// Do not keep a reference to the object returned by this method.
+CefBrowserContext* GetBrowserContext(const CefBrowserContext::Getter& getter) {
+  CEF_REQUIRE_UIT();
+  DCHECK(!getter.is_null());
+
+  // Will return nullptr if the BrowserContext has been destroyed.
+  return getter.Run();
+}
+
+}  // namespace
+
+CefMediaRouteImpl::CefMediaRouteImpl(
+    const media_router::MediaRoute& route,
+    const CefBrowserContext::Getter& browser_context_getter)
+    : route_(route), browser_context_getter_(browser_context_getter) {
+  CEF_REQUIRE_UIT();
+}
+
+CefString CefMediaRouteImpl::GetId() {
+  return route_.media_route_id();
+}
+
+CefRefPtr<CefMediaSource> CefMediaRouteImpl::GetSource() {
+  return new CefMediaSourceImpl(route_.media_source().id());
+}
+
+CefRefPtr<CefMediaSink> CefMediaRouteImpl::GetSink() {
+  return new CefMediaSinkImpl(route_.media_sink_id(), route_.media_sink_name());
+}
+
+void CefMediaRouteImpl::SendRouteMessage(const void* message,
+                                         size_t message_size) {
+  std::string message_str(reinterpret_cast<const char*>(message), message_size);
+
+  if (!CEF_CURRENTLY_ON_UIT()) {
+    CEF_POST_TASK(
+        CEF_UIT,
+        base::BindOnce(
+            [](CefRefPtr<CefMediaRouteImpl> self, std::string message_str) {
+              self->SendRouteMessageInternal(std::move(message_str));
+            },
+            CefRefPtr<CefMediaRouteImpl>(this), std::move(message_str)));
+    return;
+  }
+
+  SendRouteMessageInternal(std::move(message_str));
+}
+
+void CefMediaRouteImpl::Terminate() {
+  if (!CEF_CURRENTLY_ON_UIT()) {
+    CEF_POST_TASK(CEF_UIT, base::BindOnce(&CefMediaRouteImpl::Terminate, this));
+    return;
+  }
+
+  auto browser_context = GetBrowserContext(browser_context_getter_);
+  if (!browser_context)
+    return;
+
+  browser_context->GetMediaRouterManager()->TerminateRoute(
+      route_.media_route_id());
+}
+
+void CefMediaRouteImpl::SendRouteMessageInternal(std::string message) {
+  auto browser_context = GetBrowserContext(browser_context_getter_);
+  if (!browser_context)
+    return;
+
+  browser_context->GetMediaRouterManager()->SendRouteMessage(
+      route_.media_route_id(), message);
+}

libcef/browser/media_router/media_route_impl.h

@@ -0,0 +1,40 @@
+// Copyright (c) 2020 The Chromium Embedded Framework Authors. All rights
+// reserved. Use of this source code is governed by a BSD-style license that
+// can be found in the LICENSE file.
+
+#ifndef CEF_LIBCEF_BROWSER_MEDIA_ROUTER_MEDIA_ROUTE_IMPL_H_
+#define CEF_LIBCEF_BROWSER_MEDIA_ROUTER_MEDIA_ROUTE_IMPL_H_
+#pragma once
+
+#include "include/cef_media_router.h"
+#include "libcef/browser/browser_context.h"
+
+#include "chrome/common/media_router/media_route.h"
+
+// Implementation of the CefMediaRoute interface. Only created on the UI thread.
+class CefMediaRouteImpl : public CefMediaRoute {
+ public:
+  CefMediaRouteImpl(const media_router::MediaRoute& route,
+                    const CefBrowserContext::Getter& browser_context_getter);
+
+  // CefMediaRoute methods.
+  CefString GetId() override;
+  CefRefPtr<CefMediaSource> GetSource() override;
+  CefRefPtr<CefMediaSink> GetSink() override;
+  void SendRouteMessage(const void* message, size_t message_size) override;
+  void Terminate() override;
+
+  const media_router::MediaRoute& route() const { return route_; }
+
+ private:
+  void SendRouteMessageInternal(std::string message);
+
+  // Read-only after creation.
+  const media_router::MediaRoute route_;
+  const CefBrowserContext::Getter browser_context_getter_;
+
+  IMPLEMENT_REFCOUNTING(CefMediaRouteImpl);
+  DISALLOW_COPY_AND_ASSIGN(CefMediaRouteImpl);
+};
+
+#endif  // CEF_LIBCEF_BROWSER_MEDIA_ROUTER_MEDIA_ROUTE_IMPL_H_

libcef/browser/media_router/media_router_impl.cc

@@ -0,0 +1,290 @@
+// Copyright (c) 2020 The Chromium Embedded Framework Authors. All rights
+// reserved. Use of this source code is governed by a BSD-style license that
+// can be found in the LICENSE file.
+
+#include "libcef/browser/media_router/media_router_impl.h"
+
+#include "libcef/browser/media_router/media_route_impl.h"
+#include "libcef/browser/media_router/media_router_manager.h"
+#include "libcef/browser/media_router/media_sink_impl.h"
+#include "libcef/browser/media_router/media_source_impl.h"
+#include "libcef/browser/thread_util.h"
+
+namespace {
+
+// Do not keep a reference to the object returned by this method.
+CefBrowserContext* GetBrowserContext(const CefBrowserContext::Getter& getter) {
+  CEF_REQUIRE_UIT();
+  DCHECK(!getter.is_null());
+
+  // Will return nullptr if the BrowserContext has been destroyed.
+  return getter.Run();
+}
+
+}  // namespace
+
+class CefRegistrationImpl : public CefRegistration,
+                            public CefMediaRouterManager::Observer {
+ public:
+  explicit CefRegistrationImpl(CefRefPtr<CefMediaObserver> observer)
+      : observer_(observer) {
+    DCHECK(observer_);
+  }
+
+  ~CefRegistrationImpl() override {
+    CEF_REQUIRE_UIT();
+
+    // May be null if OnMediaRouterDestroyed was called.
+    if (browser_context_getter_.is_null())
+      return;
+
+    auto browser_context = GetBrowserContext(browser_context_getter_);
+    if (!browser_context)
+      return;
+
+    browser_context->GetMediaRouterManager()->RemoveObserver(this);
+  }
+
+  void Initialize(const CefBrowserContext::Getter& browser_context_getter) {
+    CEF_REQUIRE_UIT();
+    DCHECK(!browser_context_getter.is_null());
+    DCHECK(browser_context_getter_.is_null());
+    browser_context_getter_ = browser_context_getter;
+
+    auto browser_context = GetBrowserContext(browser_context_getter_);
+    if (!browser_context)
+      return;
+
+    browser_context->GetMediaRouterManager()->AddObserver(this);
+  }
+
+ private:
+  // CefMediaRouterManager::Observer methods:
+  void OnMediaRouterDestroyed() override { browser_context_getter_.Reset(); }
+
+  void OnMediaSinks(
+      const CefMediaRouterManager::MediaSinkVector& sinks) override {
+    std::vector<CefRefPtr<CefMediaSink>> cef_sinks;
+    for (const auto& sink : sinks) {
+      cef_sinks.push_back(new CefMediaSinkImpl(sink.sink));
+    }
+    observer_->OnSinks(cef_sinks);
+  }
+
+  void OnMediaRoutes(
+      const CefMediaRouterManager::MediaRouteVector& routes) override {
+    std::vector<CefRefPtr<CefMediaRoute>> cef_routes;
+    for (const auto& route : routes) {
+      cef_routes.push_back(MakeCefRoute(route));
+    }
+    observer_->OnRoutes(cef_routes);
+  }
+
+  void OnMediaRouteMessages(
+      const media_router::MediaRoute& route,
+      const CefMediaRouterManager::MediaMessageVector& messages) override {
+    CefRefPtr<CefMediaRoute> cef_route = MakeCefRoute(route);
+    for (const auto& message : messages) {
+      if (message->type == media_router::mojom::RouteMessage::Type::TEXT) {
+        if (message->message.has_value()) {
+          const std::string& str = *(message->message);
+          observer_->OnRouteMessageReceived(cef_route, str.c_str(), str.size());
+        }
+      } else if (message->type ==
+                 media_router::mojom::RouteMessage::Type::BINARY) {
+        if (message->data.has_value()) {
+          const std::vector<uint8_t>& data = *(message->data);
+          observer_->OnRouteMessageReceived(cef_route, data.data(),
+                                            data.size());
+        }
+      }
+    }
+  }
+
+  void OnMediaRouteStateChange(
+      const media_router::MediaRoute& route,
+      const content::PresentationConnectionStateChangeInfo& info) override {
+    observer_->OnRouteStateChanged(MakeCefRoute(route),
+                                   ToConnectionState(info.state));
+  }
+
+  CefRefPtr<CefMediaRoute> MakeCefRoute(const media_router::MediaRoute& route) {
+    return new CefMediaRouteImpl(route, browser_context_getter_);
+  }
+
+  static CefMediaObserver::ConnectionState ToConnectionState(
+      blink::mojom::PresentationConnectionState state) {
+    switch (state) {
+      case blink::mojom::PresentationConnectionState::CONNECTING:
+        return CEF_MRCS_CONNECTING;
+      case blink::mojom::PresentationConnectionState::CONNECTED:
+        return CEF_MRCS_CONNECTED;
+      case blink::mojom::PresentationConnectionState::CLOSED:
+        return CEF_MRCS_CLOSED;
+      case blink::mojom::PresentationConnectionState::TERMINATED:
+        return CEF_MRCS_TERMINATED;
+    }
+    NOTREACHED();
+    return CEF_MRCS_UNKNOWN;
+  }
+
+  CefRefPtr<CefMediaObserver> observer_;
+  CefBrowserContext::Getter browser_context_getter_;
+
+  IMPLEMENT_REFCOUNTING_DELETE_ON_UIT(CefRegistrationImpl);
+  DISALLOW_COPY_AND_ASSIGN(CefRegistrationImpl);
+};
+
+CefMediaRouterImpl::CefMediaRouterImpl() {
+  // Verify that our enum matches Chromium's values.
+  static_assert(
+      static_cast<int>(CEF_MRCR_TOTAL_COUNT) ==
+          static_cast<int>(media_router::RouteRequestResult::TOTAL_COUNT),
+      "enum mismatch");
+}
+
+void CefMediaRouterImpl::Initialize(
+    const CefBrowserContext::Getter& browser_context_getter) {
+  CEF_REQUIRE_UIT();
+  DCHECK(!browser_context_getter.is_null());
+  DCHECK(browser_context_getter_.is_null());
+  browser_context_getter_ = browser_context_getter;
+}
+
+CefRefPtr<CefRegistration> CefMediaRouterImpl::AddObserver(
+    CefRefPtr<CefMediaObserver> observer) {
+  if (!observer)
+    return nullptr;
+  CefRefPtr<CefRegistrationImpl> registration =
+      new CefRegistrationImpl(observer);
+  InitializeRegistrationOnUIThread(registration);
+  return registration.get();
+}
+
+CefRefPtr<CefMediaSource> CefMediaRouterImpl::GetSource(const CefString& urn) {
+  if (urn.empty())
+    return nullptr;
+
+  // Check for a valid URL and supported Cast/DIAL schemes.
+  GURL presentation_url(urn.ToString());
+  if (!media_router::IsValidPresentationUrl(presentation_url)) {
+    return nullptr;
+  }
+
+  if (presentation_url.SchemeIsHTTPOrHTTPS()) {
+    // We don't support tab/desktop mirroring, which is what Cast uses for
+    // arbitrary HTTP/HTTPS URLs (see CastMediaSource).
+    return nullptr;
+  }
+
+  return new CefMediaSourceImpl(presentation_url);
+}
+
+void CefMediaRouterImpl::NotifyCurrentSinks() {
+  if (!CEF_CURRENTLY_ON_UIT()) {
+    CEF_POST_TASK(
+        CEF_UIT, base::BindOnce(&CefMediaRouterImpl::NotifyCurrentSinks, this));
+    return;
+  }
+
+  auto browser_context = GetBrowserContext(browser_context_getter_);
+  if (!browser_context)
+    return;
+
+  browser_context->GetMediaRouterManager()->NotifyCurrentSinks();
+}
+
+void CefMediaRouterImpl::CreateRoute(
+    CefRefPtr<CefMediaSource> source,
+    CefRefPtr<CefMediaSink> sink,
+    CefRefPtr<CefMediaRouteCreateCallback> callback) {
+  if (!CEF_CURRENTLY_ON_UIT()) {
+    CEF_POST_TASK(CEF_UIT, base::BindOnce(&CefMediaRouterImpl::CreateRoute,
+                                          this, source, sink, callback));
+    return;
+  }
+
+  std::string error;
+
+  auto browser_context = GetBrowserContext(browser_context_getter_);
+  if (!browser_context) {
+    error = "Context has already been destroyed";
+  } else if (!source || !source->IsValid()) {
+    error = "Source is empty or invalid";
+  } else if (!sink || !sink->IsValid()) {
+    error = "Sink is empty or invalid";
+  } else if (!sink->IsCompatibleWith(source)) {
+    error = "Sink is not compatible with source";
+  }
+
+  if (!error.empty()) {
+    LOG(WARNING) << "Media route creation failed: " << error;
+    if (callback) {
+      callback->OnMediaRouteCreateFinished(CEF_MRCR_UNKNOWN_ERROR, error,
+                                           nullptr);
+    }
+    return;
+  }
+
+  auto source_impl = static_cast<CefMediaSourceImpl*>(source.get());
+  auto sink_impl = static_cast<CefMediaSinkImpl*>(sink.get());
+
+  browser_context->GetMediaRouterManager()->CreateRoute(
+      source_impl->source().id(), sink_impl->sink().id(), url::Origin(),
+      base::BindOnce(&CefMediaRouterImpl::CreateRouteCallback, this, callback));
+}
+
+void CefMediaRouterImpl::NotifyCurrentRoutes() {
+  if (!CEF_CURRENTLY_ON_UIT()) {
+    CEF_POST_TASK(CEF_UIT, base::BindOnce(
+                               &CefMediaRouterImpl::NotifyCurrentRoutes, this));
+    return;
+  }
+
+  auto browser_context = GetBrowserContext(browser_context_getter_);
+  if (!browser_context)
+    return;
+
+  browser_context->GetMediaRouterManager()->NotifyCurrentRoutes();
+}
+
+void CefMediaRouterImpl::InitializeRegistrationOnUIThread(
+    CefRefPtr<CefRegistrationImpl> registration) {
+  if (!CEF_CURRENTLY_ON_UIT()) {
+    CEF_POST_TASK(
+        CEF_UIT,
+        base::BindOnce(&CefMediaRouterImpl::InitializeRegistrationOnUIThread,
+                       this, registration));
+    return;
+  }
+  registration->Initialize(browser_context_getter_);
+}
+
+void CefMediaRouterImpl::CreateRouteCallback(
+    CefRefPtr<CefMediaRouteCreateCallback> callback,
+    const media_router::RouteRequestResult& result) {
+  CEF_REQUIRE_UIT();
+
+  if (result.result_code() != media_router::RouteRequestResult::OK) {
+    LOG(WARNING) << "Media route creation failed: " << result.error() << " ("
+                 << result.result_code() << ")";
+  }
+
+  if (!callback)
+    return;
+
+  CefRefPtr<CefMediaRoute> route;
+  if (result.result_code() == media_router::RouteRequestResult::OK &&
+      result.route()) {
+    route = new CefMediaRouteImpl(*result.route(), browser_context_getter_);
+  }
+
+  callback->OnMediaRouteCreateFinished(
+      static_cast<cef_media_route_create_result_t>(result.result_code()),
+      result.error(), route);
+}
+
+// static
+CefRefPtr<CefMediaRouter> CefMediaRouter::GetGlobalMediaRouter() {
+  return CefRequestContext::GetGlobalContext()->GetMediaRouter();
+}

libcef/browser/media_router/media_router_impl.h

@@ -0,0 +1,49 @@
+// Copyright (c) 2020 The Chromium Embedded Framework Authors. All rights
+// reserved. Use of this source code is governed by a BSD-style license that
+// can be found in the LICENSE file.
+
+#ifndef CEF_LIBCEF_BROWSER_MEDIA_ROUTER_MEDIA_ROUTER_IMPL_H_
+#define CEF_LIBCEF_BROWSER_MEDIA_ROUTER_MEDIA_ROUTER_IMPL_H_
+#pragma once
+
+#include "include/cef_media_router.h"
+#include "libcef/browser/browser_context.h"
+
+#include "chrome/common/media_router/mojom/media_router.mojom.h"
+
+class CefRegistrationImpl;
+
+// Implementation of the CefMediaRouter interface. May be created on any thread.
+class CefMediaRouterImpl : public CefMediaRouter {
+ public:
+  CefMediaRouterImpl();
+
+  // Called on the UI thread after object creation and before any other object
+  // methods are executed on the UI thread.
+  void Initialize(const CefBrowserContext::Getter& browser_context_getter);
+
+  // CefMediaRouter methods.
+  CefRefPtr<CefRegistration> AddObserver(
+      CefRefPtr<CefMediaObserver> observer) override;
+  CefRefPtr<CefMediaSource> GetSource(const CefString& urn) override;
+  void NotifyCurrentSinks() override;
+  void CreateRoute(CefRefPtr<CefMediaSource> source,
+                   CefRefPtr<CefMediaSink> sink,
+                   CefRefPtr<CefMediaRouteCreateCallback> callback) override;
+  void NotifyCurrentRoutes() override;
+
+ private:
+  void InitializeRegistrationOnUIThread(
+      CefRefPtr<CefRegistrationImpl> registration);
+
+  void CreateRouteCallback(CefRefPtr<CefMediaRouteCreateCallback> callback,
+                           const media_router::RouteRequestResult& result);
+
+  // Only accessed on the UI thread. Will be non-null after Initialize().
+  CefBrowserContext::Getter browser_context_getter_;
+
+  IMPLEMENT_REFCOUNTING(CefMediaRouterImpl);
+  DISALLOW_COPY_AND_ASSIGN(CefMediaRouterImpl);
+};
+
+#endif  // CEF_LIBCEF_BROWSER_MEDIA_ROUTER_MEDIA_ROUTER_IMPL_H_

libcef/browser/media_router/media_router_manager.cc

@@ -0,0 +1,292 @@
+// Copyright (c) 2020 The Chromium Embedded Framework Authors. All rights
+// reserved. Use of this source code is governed by a BSD-style license that
+// can be found in the LICENSE file.
+
+#include "libcef/browser/media_router/media_router_manager.h"
+
+#include "libcef/browser/browser_context.h"
+#include "libcef/browser/thread_util.h"
+
+#include "chrome/browser/media/router/media_router_factory.h"
+#include "chrome/browser/media/router/media_routes_observer.h"
+#include "chrome/browser/media/router/route_message_observer.h"
+#include "chrome/browser/media/router/route_message_util.h"
+
+namespace {
+
+const int kTimeoutMs = 5 * 1000;
+const char kDefaultPresentationUrl[] = "https://google.com";
+
+}  // namespace
+
+class CefMediaRoutesObserver : public media_router::MediaRoutesObserver {
+ public:
+  explicit CefMediaRoutesObserver(CefMediaRouterManager* manager)
+      : media_router::MediaRoutesObserver(manager->GetMediaRouter()),
+        manager_(manager) {}
+
+  void OnRoutesUpdated(const std::vector<media_router::MediaRoute>& routes,
+                       const std::vector<media_router::MediaRoute::Id>&
+                           joinable_route_ids) override {
+    manager_->routes_ = routes;
+    manager_->NotifyCurrentRoutes();
+  }
+
+ private:
+  CefMediaRouterManager* const manager_;
+
+  DISALLOW_COPY_AND_ASSIGN(CefMediaRoutesObserver);
+};
+
+// Used to receive messages if PresentationConnection is not supported.
+class CefRouteMessageObserver : public media_router::RouteMessageObserver {
+ public:
+  CefRouteMessageObserver(CefMediaRouterManager* manager,
+                          const media_router::MediaRoute& route)
+      : media_router::RouteMessageObserver(manager->GetMediaRouter(),
+                                           route.media_route_id()),
+        manager_(manager),
+        route_(route) {}
+
+  void OnMessagesReceived(
+      CefMediaRouterManager::MediaMessageVector messages) override {
+    manager_->OnMessagesReceived(route_, messages);
+  }
+
+ private:
+  CefMediaRouterManager* const manager_;
+  const media_router::MediaRoute route_;
+
+  DISALLOW_COPY_AND_ASSIGN(CefRouteMessageObserver);
+};
+
+// Used for messaging and route status notifications with Cast.
+class CefPresentationConnection : public blink::mojom::PresentationConnection {
+ public:
+  explicit CefPresentationConnection(
+      CefMediaRouterManager* manager,
+      const media_router::MediaRoute& route,
+      media_router::mojom::RoutePresentationConnectionPtr connections)
+      : manager_(manager),
+        route_(route),
+        connection_receiver_(this, std::move(connections->connection_receiver)),
+        connection_remote_(std::move(connections->connection_remote)) {}
+
+  void OnMessage(
+      blink::mojom::PresentationConnectionMessagePtr message) override {
+    CefMediaRouterManager::MediaMessageVector messages;
+    if (message->is_message()) {
+      messages.push_back(media_router::message_util::RouteMessageFromString(
+          message->get_message()));
+    } else if (message->is_data()) {
+      messages.push_back(media_router::message_util::RouteMessageFromData(
+          message->get_data()));
+    }
+    if (!messages.empty()) {
+      manager_->OnMessagesReceived(route_, messages);
+    }
+  }
+
+  void DidChangeState(
+      blink::mojom::PresentationConnectionState state) override {
+    // May result in |this| being deleted, so post async and allow the call
+    // stack to unwind.
+    CEF_POST_TASK(
+        CEF_UIT,
+        base::BindOnce(&CefMediaRouterManager::OnRouteStateChange,
+                       manager_->weak_ptr_factory_.GetWeakPtr(), route_,
+                       content::PresentationConnectionStateChangeInfo(state)));
+  }
+
+  void DidClose(
+      blink::mojom::PresentationConnectionCloseReason reason) override {
+    DidChangeState(blink::mojom::PresentationConnectionState::CLOSED);
+  }
+
+  void SendRouteMessage(const std::string& message) {
+    connection_remote_->OnMessage(
+        blink::mojom::PresentationConnectionMessage::NewMessage(message));
+  }
+
+ private:
+  CefMediaRouterManager* const manager_;
+  const media_router::MediaRoute route_;
+
+  // Used to receive messages from the MRP.
+  mojo::Receiver<blink::mojom::PresentationConnection> connection_receiver_;
+
+  // Used to send messages to the MRP.
+  mojo::Remote<blink::mojom::PresentationConnection> connection_remote_;
+
+  DISALLOW_COPY_AND_ASSIGN(CefPresentationConnection);
+};
+
+CefMediaRouterManager::CefMediaRouterManager(CefBrowserContext* browser_context)
+    : browser_context_(browser_context),
+      query_result_manager_(GetMediaRouter()),
+      weak_ptr_factory_(this) {
+  // Perform initialization.
+  GetMediaRouter()->OnUserGesture();
+
+  query_result_manager_.AddObserver(this);
+
+  // A non-empty presentation URL to required for discovery of Cast devices.
+  query_result_manager_.SetSourcesForCastMode(
+      media_router::MediaCastMode::PRESENTATION,
+      {media_router::MediaSource::ForPresentationUrl(
+          GURL(kDefaultPresentationUrl))},
+      url::Origin());
+
+  routes_observer_ = std::make_unique<CefMediaRoutesObserver>(this);
+}
+
+CefMediaRouterManager::~CefMediaRouterManager() {
+  CEF_REQUIRE_UIT();
+  for (auto& observer : observers_) {
+    observers_.RemoveObserver(&observer);
+    observer.OnMediaRouterDestroyed();
+  }
+
+  query_result_manager_.RemoveObserver(this);
+}
+
+void CefMediaRouterManager::AddObserver(Observer* observer) {
+  CEF_REQUIRE_UIT();
+  observers_.AddObserver(observer);
+}
+
+void CefMediaRouterManager::RemoveObserver(Observer* observer) {
+  CEF_REQUIRE_UIT();
+  observers_.RemoveObserver(observer);
+}
+
+void CefMediaRouterManager::NotifyCurrentSinks() {
+  CEF_REQUIRE_UIT();
+  for (auto& observer : observers_) {
+    observer.OnMediaSinks(sinks_);
+  }
+}
+
+void CefMediaRouterManager::NotifyCurrentRoutes() {
+  CEF_REQUIRE_UIT();
+  for (auto& observer : observers_) {
+    observer.OnMediaRoutes(routes_);
+  }
+}
+
+void CefMediaRouterManager::CreateRoute(
+    const media_router::MediaSource::Id& source_id,
+    const media_router::MediaSink::Id& sink_id,
+    const url::Origin& origin,
+    CreateRouteResultCallback callback) {
+  GetMediaRouter()->CreateRoute(
+      source_id, sink_id, origin, nullptr /* web_contents */,
+      base::BindOnce(&CefMediaRouterManager::OnCreateRoute,
+                     weak_ptr_factory_.GetWeakPtr(), std::move(callback)),
+      base::TimeDelta::FromMilliseconds(kTimeoutMs), false /* incognito */);
+}
+
+void CefMediaRouterManager::SendRouteMessage(
+    const media_router::MediaRoute::Id& route_id,
+    const std::string& message) {
+  // Must use PresentationConnection to send messages if it exists.
+  auto state = GetRouteState(route_id);
+  if (state && state->presentation_connection_) {
+    state->presentation_connection_->SendRouteMessage(message);
+    return;
+  }
+
+  GetMediaRouter()->SendRouteMessage(route_id, message);
+}
+
+void CefMediaRouterManager::TerminateRoute(
+    const media_router::MediaRoute::Id& route_id) {
+  GetMediaRouter()->TerminateRoute(route_id);
+}
+
+void CefMediaRouterManager::OnResultsUpdated(const MediaSinkVector& sinks) {
+  sinks_ = sinks;
+  NotifyCurrentSinks();
+}
+
+media_router::MediaRouter* CefMediaRouterManager::GetMediaRouter() const {
+  CEF_REQUIRE_UIT();
+  return media_router::MediaRouterFactory::GetApiForBrowserContext(
+      browser_context_);
+}
+
+void CefMediaRouterManager::OnCreateRoute(
+    CreateRouteResultCallback callback,
+    media_router::mojom::RoutePresentationConnectionPtr connection,
+    const media_router::RouteRequestResult& result) {
+  CEF_REQUIRE_UIT();
+  if (result.route()) {
+    CreateRouteState(*result.route(), std::move(connection));
+  }
+
+  std::move(callback).Run(result);
+}
+
+void CefMediaRouterManager::OnRouteStateChange(
+    const media_router::MediaRoute& route,
+    const content::PresentationConnectionStateChangeInfo& info) {
+  CEF_REQUIRE_UIT();
+  if (info.state == blink::mojom::PresentationConnectionState::CLOSED ||
+      info.state == blink::mojom::PresentationConnectionState::TERMINATED) {
+    RemoveRouteState(route.media_route_id());
+  }
+
+  for (auto& observer : observers_) {
+    observer.OnMediaRouteStateChange(route, info);
+  }
+}
+
+void CefMediaRouterManager::OnMessagesReceived(
+    const media_router::MediaRoute& route,
+    const MediaMessageVector& messages) {
+  CEF_REQUIRE_UIT();
+  for (auto& observer : observers_) {
+    observer.OnMediaRouteMessages(route, messages);
+  }
+}
+
+void CefMediaRouterManager::CreateRouteState(
+    const media_router::MediaRoute& route,
+    media_router::mojom::RoutePresentationConnectionPtr connection) {
+  const auto route_id = route.media_route_id();
+  auto state = std::make_unique<RouteState>();
+
+  if (!connection.is_null()) {
+    // PresentationConnection must be used for messaging and status
+    // notifications if it exists.
+    state->presentation_connection_ =
+        std::make_unique<CefPresentationConnection>(this, route,
+                                                    std::move(connection));
+  } else {
+    // Fallback if PresentationConnection is not supported.
+    state->message_observer_ =
+        std::make_unique<CefRouteMessageObserver>(this, route);
+    state->state_subscription_ =
+        GetMediaRouter()->AddPresentationConnectionStateChangedCallback(
+            route_id,
+            base::BindRepeating(&CefMediaRouterManager::OnRouteStateChange,
+                                weak_ptr_factory_.GetWeakPtr(), route));
+  }
+
+  route_state_map_.insert(std::make_pair(route_id, std::move(state)));
+}
+
+CefMediaRouterManager::RouteState* CefMediaRouterManager::GetRouteState(
+    const media_router::MediaRoute::Id& route_id) {
+  const auto it = route_state_map_.find(route_id);
+  if (it != route_state_map_.end())
+    return it->second.get();
+  return nullptr;
+}
+
+void CefMediaRouterManager::RemoveRouteState(
+    const media_router::MediaRoute::Id& route_id) {
+  auto it = route_state_map_.find(route_id);
+  if (it != route_state_map_.end())
+    route_state_map_.erase(it);
+}

libcef/browser/media_router/media_router_manager.h

@@ -0,0 +1,125 @@
+// Copyright (c) 2020 The Chromium Embedded Framework Authors. All rights
+// reserved. Use of this source code is governed by a BSD-style license that
+// can be found in the LICENSE file.
+
+#ifndef CEF_LIBCEF_BROWSER_MEDIA_ROUTER_MEDIA_ROUTER_MANAGER_H_
+#define CEF_LIBCEF_BROWSER_MEDIA_ROUTER_MEDIA_ROUTER_MANAGER_H_
+#pragma once
+
+#include "include/cef_media_router.h"
+#include "libcef/browser/browser_context.h"
+
+#include "base/memory/weak_ptr.h"
+#include "base/observer_list.h"
+#include "chrome/browser/media/router/media_router.h"
+#include "chrome/browser/ui/media_router/query_result_manager.h"
+#include "chrome/common/media_router/mojom/media_router.mojom.h"
+
+class CefBrowserContext;
+class CefMediaRoutesObserver;
+class CefPresentationConnection;
+class CefRouteMessageObserver;
+
+// Manages CEF usage of MediaRouter. Owned by CefBrowserContext and only
+// accessed on the UI thread.
+class CefMediaRouterManager
+    : public media_router::QueryResultManager::Observer {
+ public:
+  using MediaRouteVector = std::vector<media_router::MediaRoute>;
+  using MediaSinkVector = std::vector<media_router::MediaSinkWithCastModes>;
+  using MediaMessageVector = std::vector<media_router::mojom::RouteMessagePtr>;
+
+  class Observer : public base::CheckedObserver {
+   public:
+    virtual void OnMediaRouterDestroyed() = 0;
+
+    virtual void OnMediaSinks(const MediaSinkVector& sinks) = 0;
+    virtual void OnMediaRoutes(const MediaRouteVector& routes) = 0;
+
+    virtual void OnMediaRouteMessages(const media_router::MediaRoute& route,
+                                      const MediaMessageVector& messages) = 0;
+    virtual void OnMediaRouteStateChange(
+        const media_router::MediaRoute& route,
+        const content::PresentationConnectionStateChangeInfo& info) = 0;
+
+   protected:
+    ~Observer() override {}
+  };
+
+  explicit CefMediaRouterManager(CefBrowserContext* browser_context);
+  ~CefMediaRouterManager() override;
+
+  // |observer| must outlive this object or be removed.
+  void AddObserver(Observer* observer);
+  void RemoveObserver(Observer* observer);
+
+  void NotifyCurrentSinks();
+  void NotifyCurrentRoutes();
+
+  using CreateRouteResultCallback =
+      base::OnceCallback<void(const media_router::RouteRequestResult& result)>;
+
+  void CreateRoute(const media_router::MediaSource::Id& source_id,
+                   const media_router::MediaSink::Id& sink_id,
+                   const url::Origin& origin,
+                   CreateRouteResultCallback callback);
+
+  void SendRouteMessage(const media_router::MediaRoute::Id& route_id,
+                        const std::string& message);
+  void TerminateRoute(const media_router::MediaRoute::Id& route_id);
+
+  // QueryResultManager::Observer methods.
+  void OnResultsUpdated(const MediaSinkVector& sinks) override;
+
+ private:
+  friend class CefMediaRoutesObserver;
+  friend class CefPresentationConnection;
+  friend class CefRouteMessageObserver;
+
+  // Do not keep a reference to the object returned by this method.
+  media_router::MediaRouter* GetMediaRouter() const;
+
+  void OnCreateRoute(
+      CreateRouteResultCallback callback,
+      media_router::mojom::RoutePresentationConnectionPtr connection,
+      const media_router::RouteRequestResult& result);
+  void OnRouteStateChange(
+      const media_router::MediaRoute& route,
+      const content::PresentationConnectionStateChangeInfo& info);
+  void OnMessagesReceived(const media_router::MediaRoute& route,
+                          const MediaMessageVector& messages);
+
+  struct RouteState {
+    std::unique_ptr<CefPresentationConnection> presentation_connection_;
+
+    // Used if there is no RoutePresentationConnectionPtr.
+    std::unique_ptr<CefRouteMessageObserver> message_observer_;
+    std::unique_ptr<media_router::PresentationConnectionStateSubscription>
+        state_subscription_;
+  };
+  void CreateRouteState(
+      const media_router::MediaRoute& route,
+      media_router::mojom::RoutePresentationConnectionPtr connection);
+  RouteState* GetRouteState(const media_router::MediaRoute::Id& route_id);
+  void RemoveRouteState(const media_router::MediaRoute::Id& route_id);
+
+  CefBrowserContext* const browser_context_;
+
+  base::ObserverList<Observer> observers_;
+
+  media_router::QueryResultManager query_result_manager_;
+  std::unique_ptr<CefMediaRoutesObserver> routes_observer_;
+
+  MediaRouteVector routes_;
+  MediaSinkVector sinks_;
+
+  using RouteStateMap =
+      std::map<media_router::MediaRoute::Id, std::unique_ptr<RouteState>>;
+  RouteStateMap route_state_map_;
+
+  base::WeakPtrFactory<CefMediaRouterManager> weak_ptr_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(CefMediaRouterManager);
+};
+
+#endif  // CEF_LIBCEF_BROWSER_MEDIA_ROUTER_MEDIA_ROUTER_MANAGER_H_

libcef/browser/media_router/media_sink_impl.cc

@@ -0,0 +1,138 @@
+// Copyright (c) 2020 The Chromium Embedded Framework Authors. All rights
+// reserved. Use of this source code is governed by a BSD-style license that
+// can be found in the LICENSE file.
+
+#include "libcef/browser/media_router/media_sink_impl.h"
+
+#include "libcef/browser/thread_util.h"
+
+#include "base/strings/string_number_conversions.h"
+#include "chrome/browser/media/router/discovery/dial/dial_media_sink_service_impl.h"
+#include "chrome/browser/media/router/providers/cast/dual_media_sink_service.h"
+#include "chrome/common/media_router/discovery/media_sink_internal.h"
+#include "chrome/common/media_router/discovery/media_sink_service_base.h"
+
+namespace {
+
+using SinkServiceVector = std::vector<media_router::MediaSinkServiceBase*>;
+
+SinkServiceVector GetSinkServices() {
+  CEF_REQUIRE_UIT();
+  auto sink_service = media_router::DualMediaSinkService::GetInstance();
+  return {sink_service->GetCastMediaSinkServiceImpl(),
+          sink_service->GetDialMediaSinkServiceImpl()};
+}
+
+void GetSinkInternalAndContinue(
+    SinkServiceVector services,
+    const media_router::MediaSink::Id& sink_id,
+    CefRefPtr<CefMediaSinkDeviceInfoCallback> callback) {
+  CEF_REQUIRE_IOT();
+
+  CefMediaSinkDeviceInfo device_info;
+  const media_router::MediaSinkInternal* sink_internal = nullptr;
+
+  for (auto service : services) {
+    sink_internal = service->GetSinkById(sink_id);
+    if (sink_internal)
+      break;
+  }
+
+  if (sink_internal) {
+    if (sink_internal->is_cast_sink()) {
+      const auto& cast_data = sink_internal->cast_data();
+      CefString(&device_info.ip_address) =
+          cast_data.ip_endpoint.ToStringWithoutPort();
+      device_info.port = cast_data.ip_endpoint.port();
+      CefString(&device_info.model_name) = cast_data.model_name;
+    } else if (sink_internal->is_dial_sink()) {
+      const auto& dial_data = sink_internal->dial_data();
+      CefString(&device_info.ip_address) = dial_data.ip_address.ToString();
+      if (dial_data.app_url.is_valid() && dial_data.app_url.has_port()) {
+        base::StringToInt(dial_data.app_url.port_piece(), &device_info.port);
+      }
+      CefString(&device_info.model_name) = dial_data.model_name;
+    }
+  }
+
+  // Execute the callback on the UI thread.
+  CEF_POST_TASK(
+      CEF_UIT,
+      base::BindOnce(&CefMediaSinkDeviceInfoCallback::OnMediaSinkDeviceInfo,
+                     callback, device_info));
+}
+
+void GetDeviceInfo(const media_router::MediaSink::Id& sink_id,
+                   CefRefPtr<CefMediaSinkDeviceInfoCallback> callback) {
+  auto next_step = base::BindOnce(
+      [](const media_router::MediaSink::Id& sink_id,
+         CefRefPtr<CefMediaSinkDeviceInfoCallback> callback) {
+        CEF_POST_TASK(CEF_IOT,
+                      base::BindOnce(GetSinkInternalAndContinue,
+                                     GetSinkServices(), sink_id, callback));
+      },
+      sink_id, callback);
+
+  if (CEF_CURRENTLY_ON(CEF_UIT)) {
+    std::move(next_step).Run();
+  } else {
+    CEF_POST_TASK(CEF_UIT, std::move(next_step));
+  }
+}
+
+}  // namespace
+
+CefMediaSinkImpl::CefMediaSinkImpl(const media_router::MediaSink& sink)
+    : sink_(sink) {}
+
+CefMediaSinkImpl::CefMediaSinkImpl(const media_router::MediaSink::Id& sink_id,
+                                   const std::string& sink_name)
+    : sink_(sink_id, sink_name, media_router::SinkIconType::GENERIC) {}
+
+CefString CefMediaSinkImpl::GetId() {
+  return sink_.id();
+}
+
+bool CefMediaSinkImpl::IsValid() {
+  return true;
+}
+
+CefString CefMediaSinkImpl::GetName() {
+  return sink_.name();
+}
+
+CefString CefMediaSinkImpl::GetDescription() {
+  return sink_.description().value_or("");
+}
+
+CefMediaSink::IconType CefMediaSinkImpl::GetIconType() {
+  // Verify that our enum matches Chromium's values.
+  static_assert(static_cast<int>(CEF_MSIT_TOTAL_COUNT) ==
+                    static_cast<int>(media_router::SinkIconType::TOTAL_COUNT),
+                "enum mismatch");
+
+  return static_cast<CefMediaSink::IconType>(sink_.icon_type());
+}
+
+void CefMediaSinkImpl::GetDeviceInfo(
+    CefRefPtr<CefMediaSinkDeviceInfoCallback> callback) {
+  ::GetDeviceInfo(sink_.id(), callback);
+}
+
+bool CefMediaSinkImpl::IsCastSink() {
+  return sink_.provider_id() == media_router::CAST;
+}
+
+bool CefMediaSinkImpl::IsDialSink() {
+  return sink_.provider_id() == media_router::DIAL;
+}
+
+bool CefMediaSinkImpl::IsCompatibleWith(CefRefPtr<CefMediaSource> source) {
+  if (source) {
+    if (IsCastSink())
+      return source->IsCastSource();
+    if (IsDialSink())
+      return source->IsDialSource();
+  }
+  return false;
+}

libcef/browser/media_router/media_sink_impl.h

@@ -0,0 +1,42 @@
+// Copyright (c) 2020 The Chromium Embedded Framework Authors. All rights
+// reserved. Use of this source code is governed by a BSD-style license that
+// can be found in the LICENSE file.
+
+#ifndef CEF_LIBCEF_BROWSER_MEDIA_ROUTER_MEDIA_SINK_IMPL_H_
+#define CEF_LIBCEF_BROWSER_MEDIA_ROUTER_MEDIA_SINK_IMPL_H_
+#pragma once
+
+#include "include/cef_media_router.h"
+
+#include "chrome/common/media_router/media_sink.h"
+
+// Implementation of the CefMediaSink interface. May be created on any thread.
+class CefMediaSinkImpl : public CefMediaSink {
+ public:
+  explicit CefMediaSinkImpl(const media_router::MediaSink& sink);
+  CefMediaSinkImpl(const media_router::MediaSink::Id& sink_id,
+                   const std::string& sink_name);
+
+  // CefMediaSink methods.
+  CefString GetId() override;
+  bool IsValid() override;
+  CefString GetName() override;
+  CefString GetDescription() override;
+  IconType GetIconType() override;
+  void GetDeviceInfo(
+      CefRefPtr<CefMediaSinkDeviceInfoCallback> callback) override;
+  bool IsCastSink() override;
+  bool IsDialSink() override;
+  bool IsCompatibleWith(CefRefPtr<CefMediaSource> source) override;
+
+  const media_router::MediaSink& sink() const { return sink_; }
+
+ private:
+  // Read-only after creation.
+  const media_router::MediaSink sink_;
+
+  IMPLEMENT_REFCOUNTING(CefMediaSinkImpl);
+  DISALLOW_COPY_AND_ASSIGN(CefMediaSinkImpl);
+};
+
+#endif  // CEF_LIBCEF_BROWSER_MEDIA_ROUTER_MEDIA_SINK_IMPL_H_

libcef/browser/media_router/media_source_impl.cc

@@ -0,0 +1,28 @@
+// Copyright (c) 2020 The Chromium Embedded Framework Authors. All rights
+// reserved. Use of this source code is governed by a BSD-style license that
+// can be found in the LICENSE file.
+
+#include "libcef/browser/media_router/media_source_impl.h"
+
+CefMediaSourceImpl::CefMediaSourceImpl(
+    const media_router::MediaSource::Id& source_id)
+    : source_(source_id) {}
+
+CefMediaSourceImpl::CefMediaSourceImpl(const GURL& presentation_url)
+    : source_(presentation_url) {}
+
+CefString CefMediaSourceImpl::GetId() {
+  return source_.id();
+}
+
+bool CefMediaSourceImpl::IsValid() {
+  return source_.IsValid();
+}
+
+bool CefMediaSourceImpl::IsCastSource() {
+  return !IsDialSource();
+}
+
+bool CefMediaSourceImpl::IsDialSource() {
+  return source_.IsDialSource();
+}

libcef/browser/media_router/media_source_impl.h

@@ -0,0 +1,35 @@
+// Copyright (c) 2020 The Chromium Embedded Framework Authors. All rights
+// reserved. Use of this source code is governed by a BSD-style license that
+// can be found in the LICENSE file.
+
+#ifndef CEF_LIBCEF_BROWSER_MEDIA_ROUTER_MEDIA_SOURCE_IMPL_H_
+#define CEF_LIBCEF_BROWSER_MEDIA_ROUTER_MEDIA_SOURCE_IMPL_H_
+#pragma once
+
+#include "include/cef_media_router.h"
+
+#include "chrome/common/media_router/media_source.h"
+
+// Implementation of the CefMediaSource interface. May be created on any thread.
+class CefMediaSourceImpl : public CefMediaSource {
+ public:
+  explicit CefMediaSourceImpl(const media_router::MediaSource::Id& source_id);
+  explicit CefMediaSourceImpl(const GURL& presentation_url);
+
+  // CefMediaSource methods.
+  CefString GetId() override;
+  bool IsValid() override;
+  bool IsCastSource() override;
+  bool IsDialSource() override;
+
+  const media_router::MediaSource& source() const { return source_; }
+
+ private:
+  // Read-only after creation.
+  const media_router::MediaSource source_;
+
+  IMPLEMENT_REFCOUNTING(CefMediaSourceImpl);
+  DISALLOW_COPY_AND_ASSIGN(CefMediaSourceImpl);
+};
+
+#endif  // CEF_LIBCEF_BROWSER_MEDIA_ROUTER_MEDIA_SOURCE_IMPL_H_

libcef/browser/menu_manager.h

@@ -11,8 +11,8 @@
 #include "libcef/browser/menu_runner.h"
 
 #include "base/memory/weak_ptr.h"
+#include "content/public/browser/context_menu_params.h"
 #include "content/public/browser/web_contents_observer.h"
-#include "content/public/common/context_menu_params.h"
 
 namespace content {
 class RenderFrameHost;

libcef/browser/native/browser_platform_delegate_native_aura.cc

@@ -176,7 +176,8 @@ ui::MouseWheelEvent CefBrowserPlatformDelegateNativeAura::TranslateUiWheelEvent(
   int changed_button_flags =
       TranslateUiChangedButtonFlags(mouse_event.modifiers);
 
-  return ui::MouseWheelEvent(offset, location, root_location, time_stamp, flags,
+  return ui::MouseWheelEvent(offset, location, root_location, time_stamp,
+                             (ui::EF_PRECISION_SCROLLING_DELTA | flags),
                              changed_button_flags);
 }
 
@@ -209,6 +210,8 @@ int CefBrowserPlatformDelegateNativeAura::TranslateUiEventModifiers(
     result |= ui::EF_CAPS_LOCK_ON;
   if (cef_modifiers & EVENTFLAG_NUM_LOCK_ON)
     result |= ui::EF_NUM_LOCK_ON;
+  if (cef_modifiers & EVENTFLAG_ALTGR_DOWN)
+    result |= ui::EF_ALTGR_DOWN;
   return result;
 }
 

libcef/browser/native/browser_platform_delegate_native_linux.cc

@@ -258,10 +258,10 @@ void CefBrowserPlatformDelegate::HandleExternalProtocol(const GURL& url) {}
 
 CefEventHandle CefBrowserPlatformDelegateNativeLinux::GetEventHandle(
     const content::NativeWebKeyboardEvent& event) const {
-  if (!event.os_event)
-    return nullptr;
-  return const_cast<CefEventHandle>(
-      static_cast<CefEventHandle>(event.os_event->native_event()));
+  // TODO(cef): We need to return an XEvent* from this method, but
+  // |event.os_event->native_event()| now returns a ui::Event* instead.
+  // See https://crbug.com/965991.
+  return nullptr;
 }
 
 std::unique_ptr<CefMenuRunner>
@@ -313,6 +313,16 @@ ui::KeyEvent CefBrowserPlatformDelegateNativeLinux::TranslateUiKeyEvent(
   return ui::KeyEvent(type, key_code, dom_code, flags, dom_key, time_stamp);
 }
 
+content::NativeWebKeyboardEvent
+CefBrowserPlatformDelegateNativeLinux::TranslateWebKeyEvent(
+    const CefKeyEvent& key_event) const {
+  ui::KeyEvent ui_event = TranslateUiKeyEvent(key_event);
+  if (key_event.type == KEYEVENT_CHAR) {
+    return content::NativeWebKeyboardEvent(ui_event, key_event.character);
+  }
+  return content::NativeWebKeyboardEvent(ui_event);
+}
+
 base::TimeTicks CefBrowserPlatformDelegateNativeLinux::GetEventTimeStamp()
     const {
   return base::TimeTicks() + base::TimeDelta::FromSeconds(GetSystemUptime());

libcef/browser/native/browser_platform_delegate_native_linux.h

@@ -40,6 +40,8 @@ class CefBrowserPlatformDelegateNativeLinux
 
   // CefBrowserPlatformDelegateNativeAura methods:
   ui::KeyEvent TranslateUiKeyEvent(const CefKeyEvent& key_event) const override;
+  content::NativeWebKeyboardEvent TranslateWebKeyEvent(
+      const CefKeyEvent& key_event) const override;
   base::TimeTicks GetEventTimeStamp() const override;
 
  private:

libcef/browser/native/browser_platform_delegate_native_mac.mm

@@ -526,8 +526,7 @@ CefBrowserPlatformDelegateNativeMac::TranslateWebWheelEvent(
   result.delta_y = deltaY;
   result.wheel_ticks_x = deltaX / scrollbarPixelsPerCocoaTick;
   result.wheel_ticks_y = deltaY / scrollbarPixelsPerCocoaTick;
-  result.delta_units =
-      ui::input_types::ScrollGranularity::kScrollByPrecisePixel;
+  result.delta_units = ui::ScrollGranularity::kScrollByPrecisePixel;
 
   if (mouse_event.modifiers & EVENTFLAG_LEFT_MOUSE_BUTTON)
     result.button = blink::WebMouseEvent::Button::kLeft;

libcef/browser/native/window_x11.cc

@@ -8,6 +8,7 @@
 
 #include "ui/base/x/x11_util.h"
 #include "ui/events/platform/platform_event_source.h"
+#include "ui/events/x/x11_event_translation.h"
 #include "ui/views/widget/desktop_aura/desktop_window_tree_host_x11.h"
 #include "ui/views/widget/desktop_aura/x11_topmost_window_finder.h"
 
@@ -28,13 +29,6 @@ const char kNetWMState[] = "_NET_WM_STATE";
 const char kXdndProxy[] = "XdndProxy";
 const char kUTF8String[] = "UTF8_STRING";
 
-::Window FindEventTarget(const ui::PlatformEvent& xev) {
-  ::Window target = xev->xany.window;
-  if (xev->type == GenericEvent)
-    target = static_cast<XIDeviceEvent*>(xev->xcookie.data)->event;
-  return target;
-}
-
 ::Window FindChild(::Display* display, ::Window window) {
   ::Window root;
   ::Window parent;
@@ -109,8 +103,8 @@ CefWindowX11::CefWindowX11(CefRefPtr<CefBrowserHostImpl> browser,
                            CWBackPixmap | CWOverrideRedirect, &swa);
   CHECK(xwindow_);
 
-  if (ui::PlatformEventSource::GetInstance())
-    ui::PlatformEventSource::GetInstance()->AddPlatformEventDispatcher(this);
+  DCHECK(ui::X11EventSource::HasInstance());
+  ui::X11EventSource::GetInstance()->AddXEventDispatcher(this);
 
   long event_mask = FocusChangeMask | StructureNotifyMask | PropertyChangeMask;
   XSelectInput(xdisplay_, xwindow_, event_mask);
@@ -148,8 +142,8 @@ CefWindowX11::CefWindowX11(CefRefPtr<CefBrowserHostImpl> browser,
 
 CefWindowX11::~CefWindowX11() {
   DCHECK(!xwindow_);
-  if (ui::PlatformEventSource::GetInstance())
-    ui::PlatformEventSource::GetInstance()->RemovePlatformEventDispatcher(this);
+  DCHECK(ui::X11EventSource::HasInstance());
+  ui::X11EventSource::GetInstance()->RemoveXEventDispatcher(this);
 }
 
 void CefWindowX11::Close() {
@@ -288,12 +282,88 @@ views::DesktopWindowTreeHostX11* CefWindowX11::GetHost() {
 }
 
 bool CefWindowX11::CanDispatchEvent(const ui::PlatformEvent& event) {
-  ::Window target = FindEventTarget(event);
-  return target == xwindow_;
+  DCHECK_NE(xwindow_, x11::None);
+  return !!current_xevent_;
 }
 
 uint32_t CefWindowX11::DispatchEvent(const ui::PlatformEvent& event) {
-  XEvent* xev = event;
+  DCHECK_NE(xwindow_, x11::None);
+  DCHECK(event);
+  DCHECK(current_xevent_);
+
+  ProcessXEvent(current_xevent_);
+  return ui::POST_DISPATCH_STOP_PROPAGATION;
+}
+
+// Called by X11EventSourceLibevent to determine whether this XEventDispatcher
+// implementation is able to process the next translated event sent by it.
+void CefWindowX11::CheckCanDispatchNextPlatformEvent(XEvent* xev) {
+  current_xevent_ = IsTargetedBy(*xev) ? xev : nullptr;
+}
+
+void CefWindowX11::PlatformEventDispatchFinished() {
+  current_xevent_ = nullptr;
+}
+
+ui::PlatformEventDispatcher* CefWindowX11::GetPlatformEventDispatcher() {
+  return this;
+}
+
+bool CefWindowX11::DispatchXEvent(XEvent* xev) {
+  if (!IsTargetedBy(*xev))
+    return false;
+  ProcessXEvent(xev);
+  return true;
+}
+
+void CefWindowX11::ContinueFocus() {
+  if (!focus_pending_)
+    return;
+  if (browser_.get())
+    browser_->SetFocus(true);
+  focus_pending_ = false;
+}
+
+bool CefWindowX11::TopLevelAlwaysOnTop() const {
+  ::Window toplevel_window = FindToplevelParent(xdisplay_, xwindow_);
+
+  Atom state_atom = gfx::GetAtom("_NET_WM_STATE");
+  Atom state_keep_above = gfx::GetAtom("_NET_WM_STATE_KEEP_ABOVE");
+  Atom* states;
+
+  Atom actual_type;
+  int actual_format;
+  unsigned long num_items;
+  unsigned long bytes_after;
+
+  XGetWindowProperty(xdisplay_, toplevel_window, state_atom, 0, 1024,
+                     x11::False, XA_ATOM, &actual_type, &actual_format,
+                     &num_items, &bytes_after,
+                     reinterpret_cast<unsigned char**>(&states));
+
+  bool always_on_top = false;
+
+  for (unsigned long i = 0; i < num_items; ++i) {
+    if (states[i] == state_keep_above) {
+      always_on_top = true;
+      break;
+    }
+  }
+
+  XFree(states);
+
+  return always_on_top;
+}
+
+bool CefWindowX11::IsTargetedBy(const XEvent& xev) const {
+  ::Window target_window =
+      (xev.type == GenericEvent)
+          ? static_cast<XIDeviceEvent*>(xev.xcookie.data)->event
+          : xev.xany.window;
+  return target_window == xwindow_;
+}
+
+void CefWindowX11::ProcessXEvent(XEvent* xev) {
   switch (xev->type) {
     case ConfigureNotify: {
       DCHECK_EQ(xwindow_, xev->xconfigure.event);
@@ -402,45 +472,4 @@ uint32_t CefWindowX11::DispatchEvent(const ui::PlatformEvent& event) {
       break;
     }
   }
-
-  return ui::POST_DISPATCH_STOP_PROPAGATION;
-}
-
-void CefWindowX11::ContinueFocus() {
-  if (!focus_pending_)
-    return;
-  if (browser_.get())
-    browser_->SetFocus(true);
-  focus_pending_ = false;
-}
-
-bool CefWindowX11::TopLevelAlwaysOnTop() const {
-  ::Window toplevel_window = FindToplevelParent(xdisplay_, xwindow_);
-
-  Atom state_atom = gfx::GetAtom("_NET_WM_STATE");
-  Atom state_keep_above = gfx::GetAtom("_NET_WM_STATE_KEEP_ABOVE");
-  Atom* states;
-
-  Atom actual_type;
-  int actual_format;
-  unsigned long num_items;
-  unsigned long bytes_after;
-
-  XGetWindowProperty(xdisplay_, toplevel_window, state_atom, 0, 1024,
-                     x11::False, XA_ATOM, &actual_type, &actual_format,
-                     &num_items, &bytes_after,
-                     reinterpret_cast<unsigned char**>(&states));
-
-  bool always_on_top = false;
-
-  for (unsigned long i = 0; i < num_items; ++i) {
-    if (states[i] == state_keep_above) {
-      always_on_top = true;
-      break;
-    }
-  }
-
-  XFree(states);
-
-  return always_on_top;
 }

libcef/browser/native/window_x11.h

@@ -16,6 +16,7 @@ typedef struct _XDisplay Display;
 
 #include "base/memory/weak_ptr.h"
 #include "ui/events/platform/platform_event_dispatcher.h"
+#include "ui/events/platform/x11/x11_event_source.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/x/x11_atom_cache.h"
 
@@ -25,7 +26,8 @@ class DesktopWindowTreeHostX11;
 
 // Object wrapper for an X11 Window.
 // Based on WindowTreeHostX11 and DesktopWindowTreeHostX11.
-class CefWindowX11 : public ui::PlatformEventDispatcher {
+class CefWindowX11 : public ui::PlatformEventDispatcher,
+                     public ui::XEventDispatcher {
  public:
   CefWindowX11(CefRefPtr<CefBrowserHostImpl> browser,
                ::Window parent_xwindow,
@@ -50,6 +52,12 @@ class CefWindowX11 : public ui::PlatformEventDispatcher {
   bool CanDispatchEvent(const ui::PlatformEvent& event) override;
   uint32_t DispatchEvent(const ui::PlatformEvent& event) override;
 
+  // ui::XEventDispatcher methods:
+  void CheckCanDispatchNextPlatformEvent(XEvent* xev) override;
+  void PlatformEventDispatchFinished() override;
+  ui::PlatformEventDispatcher* GetPlatformEventDispatcher() override;
+  bool DispatchXEvent(XEvent* event) override;
+
   ::Window xwindow() const { return xwindow_; }
   gfx::Rect bounds() const { return bounds_; }
 
@@ -58,6 +66,9 @@ class CefWindowX11 : public ui::PlatformEventDispatcher {
  private:
   void ContinueFocus();
 
+  bool IsTargetedBy(const XEvent& xev) const;
+  void ProcessXEvent(XEvent* xev);
+
   CefRefPtr<CefBrowserHostImpl> browser_;
 
   // The display and the native X window hosting the root window.
@@ -73,6 +84,11 @@ class CefWindowX11 : public ui::PlatformEventDispatcher {
 
   bool focus_pending_;
 
+  // Tells if this dispatcher can process next translated event based on a
+  // previous check in ::CheckCanDispatchNextPlatformEvent based on a XID
+  // target.
+  XEvent* current_xevent_ = nullptr;
+
   // Must always be the last member.
   base::WeakPtrFactory<CefWindowX11> weak_ptr_factory_;
 

libcef/browser/net/chrome_scheme_handler.cc

@@ -43,6 +43,7 @@
 #include "content/public/common/url_utils.h"
 #include "content/public/common/user_agent.h"
 #include "ipc/ipc_channel.h"
+#include "ui/base/resource/resource_bundle.h"
 #include "v8/include/v8.h"
 
 using extensions::api::cef::kSupportedAPIs;
@@ -74,6 +75,7 @@ const char* kAllowedWebUIHosts[] = {
     content::kChromeUIAppCacheInternalsHost,
     chrome::kChromeUIAccessibilityHost,
     content::kChromeUIBlobInternalsHost,
+    chrome::kChromeUIChromeURLsHost,
     chrome::kChromeUICreditsHost,
     kChromeUIExtensionsSupportHost,
     content::kChromeUIGpuHost,
@@ -118,6 +120,7 @@ const struct {
   const char* host;
   ChromeHostId host_id;
 } kAllowedCefHosts[] = {
+    {chrome::kChromeUIChromeURLsHost, CHROME_WEBUI_HOSTS},
     {kChromeUIExtensionsSupportHost, CHROME_EXTENSIONS_SUPPORT},
     {kChromeUILicenseHost, CHROME_LICENSE},
     {chrome::kChromeUIVersionHost, CHROME_VERSION},
@@ -341,16 +344,17 @@ bool OnExtensionsSupportUI(std::string* mime_type, std::string* output) {
 }
 
 bool OnLicenseUI(std::string* mime_type, std::string* output) {
-  base::StringPiece piece = CefContentClient::Get()->GetDataResource(
-      IDR_CEF_LICENSE_TXT, ui::SCALE_FACTOR_NONE);
+  std::string piece =
+      ui::ResourceBundle::GetSharedInstance().LoadDataResourceString(
+          IDR_CEF_LICENSE_TXT);
   if (piece.empty()) {
     NOTREACHED() << "Failed to load license txt resource.";
     return false;
   }
 
   *mime_type = "text/html";
-  *output = "<html><head><title>License</title></head><body><pre>" +
-            piece.as_string() + "</pre></body></html>";
+  *output = "<html><head><title>License</title></head><body><pre>" + piece +
+            "</pre></body></html>";
 
   return true;
 }
@@ -358,9 +362,10 @@ bool OnLicenseUI(std::string* mime_type, std::string* output) {
 bool OnVersionUI(Profile* profile,
                  std::string* mime_type,
                  std::string* output) {
-  base::StringPiece piece = CefContentClient::Get()->GetDataResource(
-      IDR_CEF_VERSION_HTML, ui::SCALE_FACTOR_NONE);
-  if (piece.empty()) {
+  std::string tmpl =
+      ui::ResourceBundle::GetSharedInstance().LoadDataResourceString(
+          IDR_CEF_VERSION_HTML);
+  if (tmpl.empty()) {
     NOTREACHED() << "Failed to load version html resource.";
     return false;
   }
@@ -381,7 +386,6 @@ bool OnVersionUI(Profile* profile,
   parser.Add("MODULEPATH", GetModulePath());
   parser.Add("CACHEPATH", CefString(profile->GetPath().value()));
 
-  std::string tmpl = piece.as_string();
   parser.Parse(&tmpl);
 
   *mime_type = "text/html";
@@ -392,8 +396,8 @@ bool OnVersionUI(Profile* profile,
 
 bool OnWebUIHostsUI(std::string* mime_type, std::string* output) {
   std::string html =
-      "<html>\n<head><title>WebUI Hosts</title></head>\n"
-      "<body bgcolor=\"white\"><h3>WebUI Hosts</h3>\n<ul>\n";
+      "<html>\n<head><title>Chrome URLs</title></head>\n"
+      "<body bgcolor=\"white\"><h3>List of Chrome URLs</h3>\n<ul>\n";
 
   std::vector<std::string> list;
   GetAllowedHosts(&list);

libcef/browser/net/internal_scheme_handler.cc

@@ -158,13 +158,15 @@ class InternalHandlerFactory : public CefSchemeHandlerFactory {
         action.mime_type = GetMimeType(url.path());
 
       if (!action.bytes && action.resource_id >= 0) {
-        action.bytes =
-            CefContentClient::Get()->GetDataResourceBytes(action.resource_id);
-        if (!action.bytes) {
+        std::string str =
+            ui::ResourceBundle::GetSharedInstance().LoadDataResourceString(
+                action.resource_id);
+        if (str.empty()) {
           NOTREACHED() << "Failed to load internal resource for id: "
                        << action.resource_id << " URL: " << url.spec().c_str();
           return nullptr;
         }
+        action.bytes = base::RefCountedString::TakeString(&str);
       }
 
       if (action.bytes) {

libcef/browser/net_service/browser_urlrequest_impl.cc

@@ -31,6 +31,7 @@
 #include "services/network/public/cpp/shared_url_loader_factory.h"
 #include "services/network/public/cpp/simple_url_loader.h"
 #include "services/network/public/cpp/simple_url_loader_stream_consumer.h"
+#include "third_party/blink/public/mojom/loader/resource_load_info.mojom.h"
 
 namespace {
 
@@ -254,6 +255,23 @@ class CefBrowserURLRequest::Context
 
     resource_request->render_frame_id = render_frame_id;
 
+    // Behave the same as a subresource load.
+    resource_request->fetch_request_context_type =
+        static_cast<int>(blink::mojom::RequestContextType::SUBRESOURCE);
+    resource_request->resource_type =
+        static_cast<int>(blink::mojom::ResourceType::kSubResource);
+
+    // Set the origin to match the request.
+    const GURL& url = GURL(request_->GetURL().ToString());
+    resource_request->request_initiator = url::Origin::Create(url);
+
+    if (request_flags & UR_FLAG_ALLOW_STORED_CREDENTIALS) {
+      // Include SameSite cookies.
+      resource_request->attach_same_site_cookies = true;
+      resource_request->site_for_cookies =
+          net::SiteForCookies::FromOrigin(*resource_request->request_initiator);
+    }
+
     // SimpleURLLoader is picky about the body contents. Try to populate them
     // correctly below.
     auto request_body = resource_request->request_body;

libcef/browser/net_service/cookie_manager_impl.cc

@@ -18,11 +18,19 @@ using network::mojom::CookieManager;
 
 namespace {
 
-// Do not keep a reference to the CookieManager returned by this method.
-CookieManager* GetCookieManager(CefRequestContextImpl* request_context) {
+// Do not keep a reference to the object returned by this method.
+CefBrowserContext* GetBrowserContext(const CefBrowserContext::Getter& getter) {
   CEF_REQUIRE_UIT();
-  return content::BrowserContext::GetDefaultStoragePartition(
-             request_context->GetBrowserContext())
+  DCHECK(!getter.is_null());
+
+  // Will return nullptr if the BrowserContext has been destroyed.
+  return getter.Run();
+}
+
+// Do not keep a reference to the object returned by this method.
+CookieManager* GetCookieManager(CefBrowserContext* browser_context) {
+  CEF_REQUIRE_UIT();
+  return content::BrowserContext::GetDefaultStoragePartition(browser_context)
       ->GetCookieManagerForBrowserProcess();
 }
 
@@ -39,6 +47,9 @@ void SetCookieCallbackImpl(CefRefPtr<CefSetCookieCallback> callback,
                            net::CanonicalCookie::CookieInclusionStatus status) {
   if (!callback.get())
     return;
+  if (!status.IsInclude()) {
+    LOG(WARNING) << "SetCookie failed with reason: " << status.GetDebugString();
+  }
   CEF_POST_TASK(CEF_UIT, base::Bind(&CefSetCookieCallback::OnComplete,
                                     callback.get(), status.IsInclude()));
 }
@@ -53,11 +64,15 @@ void DeleteCookiesCallbackImpl(CefRefPtr<CefDeleteCookiesCallback> callback,
 }
 
 void ExecuteVisitor(CefRefPtr<CefCookieVisitor> visitor,
-                    CefRefPtr<CefRequestContextImpl> request_context,
+                    const CefBrowserContext::Getter& browser_context_getter,
                     const std::vector<net::CanonicalCookie>& cookies) {
   CEF_REQUIRE_UIT();
 
-  CookieManager* cookie_manager = GetCookieManager(request_context.get());
+  auto browser_context = GetBrowserContext(browser_context_getter);
+  if (!browser_context)
+    return;
+
+  auto cookie_manager = GetCookieManager(browser_context);
 
   int total = cookies.size(), count = 0;
   for (const auto& cc : cookies) {
@@ -77,22 +92,24 @@ void ExecuteVisitor(CefRefPtr<CefCookieVisitor> visitor,
 }
 
 // Always execute the callback asynchronously.
-void GetAllCookiesCallbackImpl(CefRefPtr<CefCookieVisitor> visitor,
-                               CefRefPtr<CefRequestContextImpl> request_context,
-                               const net::CookieList& cookies) {
-  CEF_POST_TASK(CEF_UIT,
-                base::Bind(&ExecuteVisitor, visitor, request_context, cookies));
+void GetAllCookiesCallbackImpl(
+    CefRefPtr<CefCookieVisitor> visitor,
+    const CefBrowserContext::Getter& browser_context_getter,
+    const net::CookieList& cookies) {
+  CEF_POST_TASK(CEF_UIT, base::Bind(&ExecuteVisitor, visitor,
+                                    browser_context_getter, cookies));
 }
 
-void GetCookiesCallbackImpl(CefRefPtr<CefCookieVisitor> visitor,
-                            CefRefPtr<CefRequestContextImpl> request_context,
-                            const net::CookieStatusList& include_cookies,
-                            const net::CookieStatusList&) {
+void GetCookiesCallbackImpl(
+    CefRefPtr<CefCookieVisitor> visitor,
+    const CefBrowserContext::Getter& browser_context_getter,
+    const net::CookieStatusList& include_cookies,
+    const net::CookieStatusList&) {
   net::CookieList cookies;
   for (const auto& status : include_cookies) {
     cookies.push_back(status.cookie);
   }
-  GetAllCookiesCallbackImpl(visitor, request_context, cookies);
+  GetAllCookiesCallbackImpl(visitor, browser_context_getter, cookies);
 }
 
 }  // namespace
@@ -100,11 +117,12 @@ void GetCookiesCallbackImpl(CefRefPtr<CefCookieVisitor> visitor,
 CefCookieManagerImpl::CefCookieManagerImpl() {}
 
 void CefCookieManagerImpl::Initialize(
-    CefRefPtr<CefRequestContextImpl> request_context,
+    CefBrowserContext::Getter browser_context_getter,
     CefRefPtr<CefCompletionCallback> callback) {
-  DCHECK(request_context);
-  DCHECK(!request_context_);
-  request_context_ = request_context;
+  CEF_REQUIRE_UIT();
+  DCHECK(!browser_context_getter.is_null());
+  DCHECK(browser_context_getter_.is_null());
+  browser_context_getter_ = browser_context_getter;
   RunAsyncCompletionOnUIThread(callback);
 }
 
@@ -132,11 +150,14 @@ void CefCookieManagerImpl::SetSupportedSchemes(
     all_schemes.push_back("wss");
   }
 
+  auto browser_context = GetBrowserContext(browser_context_getter_);
+  if (!browser_context)
+    return;
+
   // This will be forwarded to the CookieMonster that lives in the
   // NetworkService process when the NetworkContext is created via
   // CefContentBrowserClient::CreateNetworkContext.
-  request_context_->GetBrowserContext()->set_cookieable_schemes(
-      base::make_optional(all_schemes));
+  browser_context->set_cookieable_schemes(base::make_optional(all_schemes));
   RunAsyncCompletionOnUIThread(callback);
 }
 
@@ -153,9 +174,13 @@ bool CefCookieManagerImpl::VisitAllCookies(
     return true;
   }
 
-  GetCookieManager(request_context_.get())
-      ->GetAllCookies(
-          base::Bind(&GetAllCookiesCallbackImpl, visitor, request_context_));
+  auto browser_context = GetBrowserContext(browser_context_getter_);
+  if (!browser_context)
+    return false;
+
+  GetCookieManager(browser_context)
+      ->GetAllCookies(base::Bind(&GetAllCookiesCallbackImpl, visitor,
+                                 browser_context_getter_));
   return true;
 }
 
@@ -181,11 +206,17 @@ bool CefCookieManagerImpl::VisitUrlCookies(
   net::CookieOptions options;
   if (includeHttpOnly)
     options.set_include_httponly();
+  options.set_same_site_cookie_context(
+      net::CookieOptions::SameSiteCookieContext::MakeInclusive());
 
-  GetCookieManager(request_context_.get())
-      ->GetCookieList(
-          gurl, options,
-          base::Bind(&GetCookiesCallbackImpl, visitor, request_context_));
+  auto browser_context = GetBrowserContext(browser_context_getter_);
+  if (!browser_context)
+    return false;
+
+  GetCookieManager(browser_context)
+      ->GetCookieList(gurl, options,
+                      base::Bind(&GetCookiesCallbackImpl, visitor,
+                                 browser_context_getter_));
   return true;
 }
 
@@ -213,13 +244,18 @@ bool CefCookieManagerImpl::SetCookie(const CefString& url,
   if (cookie.has_expires)
     cef_time_to_basetime(cookie.expires, expiration_time);
 
+  net::CookieSameSite same_site =
+      net_service::MakeCookieSameSite(cookie.same_site);
+  net::CookiePriority priority =
+      net_service::MakeCookiePriority(cookie.priority);
+
   auto canonical_cookie = net::CanonicalCookie::CreateSanitizedCookie(
       gurl, name, value, domain, path,
       base::Time(),  // Creation time.
       expiration_time,
       base::Time(),  // Last access time.
-      cookie.secure ? true : false, cookie.httponly ? true : false,
-      net::CookieSameSite::UNSPECIFIED, net::COOKIE_PRIORITY_DEFAULT);
+      cookie.secure ? true : false, cookie.httponly ? true : false, same_site,
+      priority);
 
   if (!canonical_cookie) {
     SetCookieCallbackImpl(callback,
@@ -232,8 +268,14 @@ bool CefCookieManagerImpl::SetCookie(const CefString& url,
   net::CookieOptions options;
   if (cookie.httponly)
     options.set_include_httponly();
+  options.set_same_site_cookie_context(
+      net::CookieOptions::SameSiteCookieContext::MakeInclusive());
 
-  GetCookieManager(request_context_.get())
+  auto browser_context = GetBrowserContext(browser_context_getter_);
+  if (!browser_context)
+    return false;
+
+  GetCookieManager(browser_context)
       ->SetCanonicalCookie(*canonical_cookie, gurl.scheme(), options,
                            base::Bind(SetCookieCallbackImpl, callback));
   return true;
@@ -270,7 +312,11 @@ bool CefCookieManagerImpl::DeleteCookies(
     deletion_filter->cookie_name = cookie_name;
   }
 
-  GetCookieManager(request_context_.get())
+  auto browser_context = GetBrowserContext(browser_context_getter_);
+  if (!browser_context)
+    return false;
+
+  GetCookieManager(browser_context)
       ->DeleteCookies(std::move(deletion_filter),
                       base::Bind(DeleteCookiesCallbackImpl, callback));
   return true;
@@ -286,7 +332,11 @@ bool CefCookieManagerImpl::FlushStore(
     return true;
   }
 
-  GetCookieManager(request_context_.get())
+  auto browser_context = GetBrowserContext(browser_context_getter_);
+  if (!browser_context)
+    return false;
+
+  GetCookieManager(browser_context)
       ->FlushCookieStore(base::Bind(RunAsyncCompletionOnUIThread, callback));
   return true;
 }

libcef/browser/net_service/cookie_manager_impl.h

@@ -6,19 +6,20 @@
 #define CEF_LIBCEF_BROWSER_NET_SERVICE_COOKIE_MANAGER_IMPL_H_
 
 #include "include/cef_cookie.h"
-#include "libcef/browser/request_context_impl.h"
+#include "libcef/browser/browser_context.h"
 #include "libcef/browser/thread_util.h"
 
 #include "base/files/file_path.h"
 
-// Implementation of the CefCookieManager interface.
+// Implementation of the CefCookieManager interface. May be created on any
+// thread.
 class CefCookieManagerImpl : public CefCookieManager {
  public:
   CefCookieManagerImpl();
 
-  // Must be called immediately after this object is created when |is_blocking|
-  // is false.
-  void Initialize(CefRefPtr<CefRequestContextImpl> request_context,
+  // Called on the UI thread after object creation and before any other object
+  // methods are executed on the UI thread.
+  void Initialize(CefBrowserContext::Getter browser_context_getter,
                   CefRefPtr<CefCompletionCallback> callback);
 
   // CefCookieManager methods.
@@ -38,10 +39,11 @@ class CefCookieManagerImpl : public CefCookieManager {
   bool FlushStore(CefRefPtr<CefCompletionCallback> callback) override;
 
  private:
-  // Context that owns the cookie manager.
-  CefRefPtr<CefRequestContextImpl> request_context_;
+  // Only accessed on the UI thread. Will be non-null after Initialize().
+  CefBrowserContext::Getter browser_context_getter_;
 
   IMPLEMENT_REFCOUNTING(CefCookieManagerImpl);
+  DISALLOW_COPY_AND_ASSIGN(CefCookieManagerImpl);
 };
 
 #endif  // CEF_LIBCEF_BROWSER_NET_SERVICE_COOKIE_MANAGER_IMPL_H_

libcef/browser/net_service/proxy_url_loader_factory.cc

@@ -475,9 +475,10 @@ void InterceptedRequest::OnReceiveRedirect(
   if (current_request_uses_header_client_) {
     // Use the headers we got from OnHeadersReceived as that'll contain
     // Set-Cookie if it existed. May be null for synthetic redirects.
-    DCHECK(current_headers_);
-    current_response_->headers = current_headers_;
-    current_headers_ = nullptr;
+    if (current_headers_) {
+      current_response_->headers = current_headers_;
+      current_headers_ = nullptr;
+    }
   } else {
     needs_callback = true;
   }
@@ -839,15 +840,26 @@ void InterceptedRequest::ContinueToBeforeRedirect(
     request_.url = redirect_info.new_url;
   }
 
+  // If request_ changes from POST to GET, strip POST headers.
+  const bool post_to_get =
+      request_.method == "POST" &&
+      redirect_info.new_method == net::HttpRequestHeaders::kGetMethod;
+
   request_.method = redirect_info.new_method;
   request_.site_for_cookies = redirect_info.new_site_for_cookies;
   request_.referrer = GURL(redirect_info.new_referrer);
   request_.referrer_policy = redirect_info.new_referrer_policy;
 
   // The request method can be changed to "GET". In this case we need to
-  // reset the request body manually.
-  if (request_.method == net::HttpRequestHeaders::kGetMethod)
+  // reset the request body manually, and strip the POST headers.
+  if (request_.method == net::HttpRequestHeaders::kGetMethod) {
     request_.request_body = nullptr;
+
+    if (post_to_get) {
+      request_.headers.RemoveHeader(net::HttpRequestHeaders::kContentLength);
+      request_.headers.RemoveHeader(net::HttpRequestHeaders::kContentType);
+    }
+  }
 }
 
 void InterceptedRequest::ContinueToResponseStarted(int error_code) {

libcef/browser/net_service/resource_request_handler_wrapper.cc

@@ -31,6 +31,7 @@
 #include "net/base/load_flags.h"
 #include "net/http/http_status_code.h"
 #include "net/http/http_util.h"
+#include "third_party/blink/public/mojom/loader/resource_load_info.mojom-shared.h"
 #include "ui/base/page_transition_types.h"
 #include "url/origin.h"
 
@@ -1202,8 +1203,8 @@ void InitOnUIThread(
   if (request.render_frame_id >= 0) {
     // TODO(network): Are these main frame checks equivalent?
     if (request.is_main_frame ||
-        static_cast<content::ResourceType>(request.resource_type) ==
-            content::ResourceType::kMainFrame) {
+        static_cast<blink::mojom::ResourceType>(request.resource_type) ==
+            blink::mojom::ResourceType::kMainFrame) {
       frame = web_contents->GetMainFrame();
       DCHECK(frame);
     } else {

libcef/browser/net_service/stream_reader_url_loader.cc

@@ -610,9 +610,12 @@ void StreamReaderURLLoader::OnReaderSkipCompleted(int64_t bytes_skipped) {
     HeadersComplete(net::HTTP_OK, -1);
   } else if (bytes_skipped == byte_range_.first_byte_position()) {
     // We skipped the expected number of bytes.
-    int64_t expected_content_length = byte_range_.last_byte_position() -
-                                      byte_range_.first_byte_position() + 1;
-    DCHECK_GE(expected_content_length, 0);
+    int64_t expected_content_length = -1;
+    if (byte_range_.HasLastBytePosition()) {
+      expected_content_length = byte_range_.last_byte_position() -
+                                byte_range_.first_byte_position() + 1;
+      DCHECK_GE(expected_content_length, 0);
+    }
     HeadersComplete(net::HTTP_OK, expected_content_length);
   } else {
     RequestComplete(bytes_skipped < 0 ? bytes_skipped : net::ERR_FAILED);

libcef/browser/net_service/url_loader_factory_getter.cc

@@ -55,7 +55,7 @@ scoped_refptr<URLLoaderFactoryGetter> URLLoaderFactoryGetter::Create(
         content::devtools_instrumentation::WillCreateURLLoaderFactory(
             static_cast<content::RenderFrameHostImpl*>(render_frame_host),
             false /* is_navigation */, false /* is_download */,
-            &maybe_proxy_factory_request);
+            &maybe_proxy_factory_request, nullptr /* factory_override */);
   }
 
   // Allow the Content embedder to inject itself if it wants to.

libcef/browser/osr/render_widget_host_view_osr.cc

@@ -25,10 +25,8 @@
 #include "components/viz/common/frame_sinks/begin_frame_args.h"
 #include "components/viz/common/frame_sinks/copy_output_request.h"
 #include "components/viz/common/frame_sinks/delay_based_time_source.h"
-#include "components/viz/common/gl_helper.h"
 #include "components/viz/common/switches.h"
 #include "content/browser/bad_message.h"
-#include "content/browser/compositor/image_transport_factory.h"
 #include "content/browser/gpu/gpu_data_manager_impl.h"
 #include "content/browser/renderer_host/cursor_manager.h"
 #include "content/browser/renderer_host/delegated_frame_host.h"
@@ -48,7 +46,6 @@
 #include "content/public/browser/render_view_host.h"
 #include "content/public/common/content_switches.h"
 #include "media/base/video_frame.h"
-#include "ui/base/cursor/types/cursor_types.h"
 #include "ui/compositor/compositor.h"
 #include "ui/events/blink/blink_event_util.h"
 #include "ui/events/gesture_detection/gesture_provider_config_helper.h"
@@ -236,15 +233,11 @@ CefRenderWidgetHostViewOSR::CefRenderWidgetHostViewOSR(
 
   external_begin_frame_enabled_ = use_external_begin_frame;
 
-  content::ImageTransportFactory* factory =
-      content::ImageTransportFactory::GetInstance();
-  ui::ContextFactoryPrivate* context_factory_private =
-      factory->GetContextFactoryPrivate();
+  auto context_factory = content::GetContextFactory();
 
   // Matching the attributes from RecyclableCompositorMac.
   compositor_.reset(new ui::Compositor(
-      context_factory_private->AllocateFrameSinkId(),
-      content::GetContextFactory(), context_factory_private,
+      context_factory->AllocateFrameSinkId(), context_factory,
       base::ThreadTaskRunnerHandle::Get(), false /* enable_pixel_canvas */,
       use_external_begin_frame));
   compositor_->SetAcceleratedWidget(gfx::kNullAcceleratedWidget);
@@ -349,6 +342,12 @@ void CefRenderWidgetHostViewOSR::Show() {
   if (is_showing_)
     return;
 
+  if (!content::GpuDataManagerImpl::GetInstance()->IsGpuCompositingDisabled() &&
+      !browser_impl_ &&
+      (!parent_host_view_ || !parent_host_view_->browser_impl_)) {
+    return;
+  }
+
   is_showing_ = true;
 
   // If the viz::LocalSurfaceIdAllocation is invalid, we may have been evicted,
@@ -441,8 +440,14 @@ base::Optional<SkColor> CefRenderWidgetHostViewOSR::GetBackgroundColor() {
 
 void CefRenderWidgetHostViewOSR::UpdateBackgroundColor() {}
 
-bool CefRenderWidgetHostViewOSR::LockMouse(bool request_unadjusted_movement) {
-  return false;
+blink::mojom::PointerLockResult CefRenderWidgetHostViewOSR::LockMouse(
+    bool request_unadjusted_movement) {
+  return blink::mojom::PointerLockResult::kPermissionDenied;
+}
+
+blink::mojom::PointerLockResult CefRenderWidgetHostViewOSR::ChangeMouseLock(
+    bool request_unadjusted_movement) {
+  return blink::mojom::PointerLockResult::kPermissionDenied;
 }
 
 void CefRenderWidgetHostViewOSR::UnlockMouse() {}
@@ -555,9 +560,16 @@ void CefRenderWidgetHostViewOSR::InitAsPopup(
 
   handler->OnPopupShow(browser_impl_.get(), true);
 
-  popup_position_ = pos;
+  CefRect view_rect;
+  handler->GetViewRect(browser_impl_.get(), view_rect);
+  gfx::Rect client_pos(pos.x() - view_rect.x, pos.y() - view_rect.y,
+                       pos.width(), pos.height());
+
+  popup_position_ = client_pos;
+
+  CefRect widget_pos(client_pos.x(), client_pos.y(), client_pos.width(),
+                     client_pos.height());
 
-  CefRect widget_pos(pos.x(), pos.y(), pos.width(), pos.height());
   if (handler.get())
     handler->OnPopupSize(browser_impl_.get(), widget_pos);
 
@@ -582,39 +594,29 @@ void CefRenderWidgetHostViewOSR::UpdateCursor(
       browser_impl_->GetClient()->GetRenderHandler();
   CHECK(handler);
 
-  const content::CursorInfo& cursor_info = cursor.info();
+  const auto& ui_cursor = cursor.cursor();
 
   const cef_cursor_type_t cursor_type =
-      static_cast<cef_cursor_type_t>(cursor_info.type);
+      static_cast<cef_cursor_type_t>(ui_cursor.type());
   CefCursorInfo custom_cursor_info;
-  if (cursor_info.type == ui::CursorType::kCustom) {
-    custom_cursor_info.hotspot.x = cursor_info.hotspot.x();
-    custom_cursor_info.hotspot.y = cursor_info.hotspot.y();
-    custom_cursor_info.image_scale_factor = cursor_info.image_scale_factor;
-    custom_cursor_info.buffer = cursor_info.custom_image.getPixels();
-    custom_cursor_info.size.width = cursor_info.custom_image.width();
-    custom_cursor_info.size.height = cursor_info.custom_image.height();
+  if (ui_cursor.type() == ui::mojom::CursorType::kCustom) {
+    custom_cursor_info.hotspot.x = ui_cursor.custom_hotspot().x();
+    custom_cursor_info.hotspot.y = ui_cursor.custom_hotspot().y();
+    custom_cursor_info.image_scale_factor = ui_cursor.image_scale_factor();
+    custom_cursor_info.buffer = ui_cursor.custom_bitmap().getPixels();
+    custom_cursor_info.size.width = ui_cursor.custom_bitmap().width();
+    custom_cursor_info.size.height = ui_cursor.custom_bitmap().height();
   }
 
 #if defined(USE_AURA)
-  content::WebCursor web_cursor(cursor_info);
+  content::WebCursor web_cursor(ui_cursor);
 
   ui::PlatformCursor platform_cursor;
-  if (cursor_info.type == ui::CursorType::kCustom) {
-    ui::Cursor ui_cursor(ui::CursorType::kCustom);
-    SkBitmap bitmap;
-    gfx::Point hotspot;
-    float scale_factor;
-    web_cursor.CreateScaledBitmapAndHotspotFromCustomData(&bitmap, &hotspot,
-                                                          &scale_factor);
-    ui_cursor.set_custom_bitmap(bitmap);
-    ui_cursor.set_custom_hotspot(hotspot);
-    ui_cursor.set_device_scale_factor(scale_factor);
-
+  if (ui_cursor.type() == ui::mojom::CursorType::kCustom) {
     // |web_cursor| owns the resulting |platform_cursor|.
     platform_cursor = web_cursor.GetPlatformCursor(ui_cursor);
   } else {
-    platform_cursor = GetPlatformCursor(cursor_info.type);
+    platform_cursor = GetPlatformCursor(ui_cursor.type());
   }
 
   handler->OnCursorChange(browser_impl_.get(), platform_cursor, cursor_type,
@@ -1059,8 +1061,8 @@ void CefRenderWidgetHostViewOSR::SendExternalBeginFrame() {
   if (render_widget_host_)
     render_widget_host_->ProgressFlingIfNeeded(frame_time);
 
-  compositor_->context_factory_private()->IssueExternalBeginFrame(
-      compositor_.get(), begin_frame_args, /* force= */ true,
+  compositor_->IssueExternalBeginFrame(
+      begin_frame_args, /* force= */ true,
       base::BindOnce(&CefRenderWidgetHostViewOSR::OnFrameComplete,
                      weak_ptr_factory_.GetWeakPtr()));
 
@@ -1072,9 +1074,18 @@ void CefRenderWidgetHostViewOSR::SendExternalBeginFrame() {
 void CefRenderWidgetHostViewOSR::SendKeyEvent(
     const content::NativeWebKeyboardEvent& event) {
   TRACE_EVENT0("cef", "CefRenderWidgetHostViewOSR::SendKeyEvent");
-  if (render_widget_host_ && render_widget_host_->GetView()) {
+  content::RenderWidgetHostImpl* target_host = render_widget_host_;
+
+  // If there are multiple widgets on the page (such as when there are
+  // out-of-process iframes), pick the one that should process this event.
+  if (render_widget_host_ && render_widget_host_->delegate()) {
+    target_host = render_widget_host_->delegate()->GetFocusedRenderWidgetHost(
+        render_widget_host_);
+  }
+
+  if (target_host && target_host->GetView()) {
     // Direct routing requires that events go directly to the View.
-    render_widget_host_->ForwardKeyboardEventWithLatencyInfo(
+    target_host->ForwardKeyboardEventWithLatencyInfo(
         event, ui::LatencyInfo(event.GetType() == blink::WebInputEvent::kChar ||
                                        event.GetType() ==
                                            blink::WebInputEvent::kRawKeyDown
@@ -1388,8 +1399,8 @@ void CefRenderWidgetHostViewOSR::UpdateFrameRate() {
 }
 
 gfx::Size CefRenderWidgetHostViewOSR::SizeInPixels() {
-  return gfx::ConvertSizeToPixel(current_device_scale_factor_,
-                                 GetViewBounds().size());
+  return gfx::ScaleToCeiledSize(GetViewBounds().size(),
+                                current_device_scale_factor_);
 }
 
 #if defined(OS_MACOSX)

libcef/browser/osr/render_widget_host_view_osr.h

@@ -28,7 +28,7 @@
 #include "content/browser/renderer_host/render_widget_host_view_base.h"
 #include "content/browser/renderer_host/text_input_manager.h"
 #include "content/public/common/widget_type.h"
-#include "ui/base/cursor/types/cursor_types.h"
+#include "ui/base/mojom/cursor_type.mojom-shared.h"
 #include "ui/compositor/compositor.h"
 #include "ui/events/base_event_utils.h"
 #include "ui/events/gesture_detection/filtered_gesture_provider.h"
@@ -49,7 +49,6 @@
 #endif
 
 #if defined(USE_AURA)
-#include "third_party/blink/public/platform/web_cursor_info.h"
 #include "ui/base/cursor/cursor.h"
 #endif
 
@@ -124,7 +123,10 @@ class CefRenderWidgetHostViewOSR : public content::RenderWidgetHostViewBase,
   void SetBackgroundColor(SkColor color) override;
   base::Optional<SkColor> GetBackgroundColor() override;
   void UpdateBackgroundColor() override;
-  bool LockMouse(bool request_unadjusted_movement) override;
+  blink::mojom::PointerLockResult LockMouse(
+      bool request_unadjusted_movement) override;
+  blink::mojom::PointerLockResult ChangeMouseLock(
+      bool request_unadjusted_movement) override;
   void UnlockMouse() override;
   void TakeFallbackContentFrom(content::RenderWidgetHostView* view) override;
 
@@ -321,7 +323,7 @@ class CefRenderWidgetHostViewOSR : public content::RenderWidgetHostViewBase,
   void UpdateBackgroundColorFromRenderer(SkColor color);
 
 #if defined(USE_AURA)
-  ui::PlatformCursor GetPlatformCursor(ui::CursorType type);
+  ui::PlatformCursor GetPlatformCursor(ui::mojom::CursorType type);
 #endif
 
   // The background color of the web content.

libcef/browser/osr/render_widget_host_view_osr_linux.cc

@@ -5,8 +5,6 @@
 
 #include "libcef/browser/osr/render_widget_host_view_osr.h"
 
-#include "third_party/blink/public/platform/web_cursor_info.h"
-
 #if defined(USE_X11)
 #include <X11/Xlib.h>
 #include <X11/cursorfont.h>
@@ -23,110 +21,108 @@ namespace {
 
 // Based on ui/base/cursor/cursor_loader_x11.cc.
 
-using blink::WebCursorInfo;
-
-int ToCursorID(ui::CursorType type) {
+int ToCursorID(ui::mojom::CursorType type) {
   switch (type) {
-    case ui::CursorType::kPointer:
+    case ui::mojom::CursorType::kPointer:
       return XC_left_ptr;
-    case ui::CursorType::kCross:
+    case ui::mojom::CursorType::kCross:
       return XC_crosshair;
-    case ui::CursorType::kHand:
+    case ui::mojom::CursorType::kHand:
       return XC_hand2;
-    case ui::CursorType::kIBeam:
+    case ui::mojom::CursorType::kIBeam:
       return XC_xterm;
-    case ui::CursorType::kWait:
+    case ui::mojom::CursorType::kWait:
       return XC_watch;
-    case ui::CursorType::kHelp:
+    case ui::mojom::CursorType::kHelp:
       return XC_question_arrow;
-    case ui::CursorType::kEastResize:
+    case ui::mojom::CursorType::kEastResize:
       return XC_right_side;
-    case ui::CursorType::kNorthResize:
+    case ui::mojom::CursorType::kNorthResize:
       return XC_top_side;
-    case ui::CursorType::kNorthEastResize:
+    case ui::mojom::CursorType::kNorthEastResize:
       return XC_top_right_corner;
-    case ui::CursorType::kNorthWestResize:
+    case ui::mojom::CursorType::kNorthWestResize:
       return XC_top_left_corner;
-    case ui::CursorType::kSouthResize:
+    case ui::mojom::CursorType::kSouthResize:
       return XC_bottom_side;
-    case ui::CursorType::kSouthEastResize:
+    case ui::mojom::CursorType::kSouthEastResize:
       return XC_bottom_right_corner;
-    case ui::CursorType::kSouthWestResize:
+    case ui::mojom::CursorType::kSouthWestResize:
       return XC_bottom_left_corner;
-    case ui::CursorType::kWestResize:
+    case ui::mojom::CursorType::kWestResize:
       return XC_left_side;
-    case ui::CursorType::kNorthSouthResize:
+    case ui::mojom::CursorType::kNorthSouthResize:
       return XC_sb_v_double_arrow;
-    case ui::CursorType::kEastWestResize:
+    case ui::mojom::CursorType::kEastWestResize:
       return XC_sb_h_double_arrow;
-    case ui::CursorType::kNorthEastSouthWestResize:
+    case ui::mojom::CursorType::kNorthEastSouthWestResize:
       return XC_left_ptr;
-    case ui::CursorType::kNorthWestSouthEastResize:
+    case ui::mojom::CursorType::kNorthWestSouthEastResize:
       return XC_left_ptr;
-    case ui::CursorType::kColumnResize:
+    case ui::mojom::CursorType::kColumnResize:
       return XC_sb_h_double_arrow;
-    case ui::CursorType::kRowResize:
+    case ui::mojom::CursorType::kRowResize:
       return XC_sb_v_double_arrow;
-    case ui::CursorType::kMiddlePanning:
+    case ui::mojom::CursorType::kMiddlePanning:
       return XC_fleur;
-    case ui::CursorType::kEastPanning:
+    case ui::mojom::CursorType::kEastPanning:
       return XC_sb_right_arrow;
-    case ui::CursorType::kNorthPanning:
+    case ui::mojom::CursorType::kNorthPanning:
       return XC_sb_up_arrow;
-    case ui::CursorType::kNorthEastPanning:
+    case ui::mojom::CursorType::kNorthEastPanning:
       return XC_top_right_corner;
-    case ui::CursorType::kNorthWestPanning:
+    case ui::mojom::CursorType::kNorthWestPanning:
       return XC_top_left_corner;
-    case ui::CursorType::kSouthPanning:
+    case ui::mojom::CursorType::kSouthPanning:
       return XC_sb_down_arrow;
-    case ui::CursorType::kSouthEastPanning:
+    case ui::mojom::CursorType::kSouthEastPanning:
       return XC_bottom_right_corner;
-    case ui::CursorType::kSouthWestPanning:
+    case ui::mojom::CursorType::kSouthWestPanning:
       return XC_bottom_left_corner;
-    case ui::CursorType::kWestPanning:
+    case ui::mojom::CursorType::kWestPanning:
       return XC_sb_left_arrow;
-    case ui::CursorType::kMove:
+    case ui::mojom::CursorType::kMove:
       return XC_fleur;
-    case ui::CursorType::kVerticalText:
+    case ui::mojom::CursorType::kVerticalText:
       return XC_left_ptr;
-    case ui::CursorType::kCell:
+    case ui::mojom::CursorType::kCell:
       return XC_left_ptr;
-    case ui::CursorType::kContextMenu:
+    case ui::mojom::CursorType::kContextMenu:
       return XC_left_ptr;
-    case ui::CursorType::kAlias:
+    case ui::mojom::CursorType::kAlias:
       return XC_left_ptr;
-    case ui::CursorType::kProgress:
+    case ui::mojom::CursorType::kProgress:
       return XC_left_ptr;
-    case ui::CursorType::kNoDrop:
+    case ui::mojom::CursorType::kNoDrop:
       return XC_left_ptr;
-    case ui::CursorType::kCopy:
+    case ui::mojom::CursorType::kCopy:
       return XC_left_ptr;
-    case ui::CursorType::kNotAllowed:
+    case ui::mojom::CursorType::kNotAllowed:
       return XC_left_ptr;
-    case ui::CursorType::kZoomIn:
+    case ui::mojom::CursorType::kZoomIn:
       return XC_left_ptr;
-    case ui::CursorType::kZoomOut:
+    case ui::mojom::CursorType::kZoomOut:
       return XC_left_ptr;
-    case ui::CursorType::kGrab:
+    case ui::mojom::CursorType::kGrab:
       return XC_left_ptr;
-    case ui::CursorType::kGrabbing:
+    case ui::mojom::CursorType::kGrabbing:
       return XC_left_ptr;
-    case ui::CursorType::kMiddlePanningVertical:
+    case ui::mojom::CursorType::kMiddlePanningVertical:
       return XC_left_ptr;
-    case ui::CursorType::kMiddlePanningHorizontal:
+    case ui::mojom::CursorType::kMiddlePanningHorizontal:
       return XC_left_ptr;
-    case ui::CursorType::kDndNone:
+    case ui::mojom::CursorType::kDndNone:
       return XC_left_ptr;
-    case ui::CursorType::kDndMove:
+    case ui::mojom::CursorType::kDndMove:
       return XC_left_ptr;
-    case ui::CursorType::kDndCopy:
+    case ui::mojom::CursorType::kDndCopy:
       return XC_left_ptr;
-    case ui::CursorType::kDndLink:
+    case ui::mojom::CursorType::kDndLink:
       return XC_left_ptr;
-    case ui::CursorType::kNull:
+    case ui::mojom::CursorType::kNull:
       return XC_left_ptr;
-    case ui::CursorType::kCustom:
-    case ui::CursorType::kNone:
+    case ui::mojom::CursorType::kCustom:
+    case ui::mojom::CursorType::kNone:
       break;
   }
   NOTREACHED();
@@ -184,9 +180,9 @@ XCursorCache* cursor_cache = nullptr;
 #endif  // defined(USE_X11)
 
 ui::PlatformCursor CefRenderWidgetHostViewOSR::GetPlatformCursor(
-    ui::CursorType type) {
+    ui::mojom::CursorType type) {
 #if defined(USE_X11)
-  if (type == ui::CursorType::kNone) {
+  if (type == ui::mojom::CursorType::kNone) {
     if (!invisible_cursor_) {
       invisible_cursor_.reset(new ui::XScopedCursor(ui::CreateInvisibleCursor(),
                                                     gfx::GetXDisplay()));

libcef/browser/osr/render_widget_host_view_osr_win.cc

@@ -10,7 +10,6 @@
 #include "libcef/browser/browser_host_impl.h"
 #include "libcef/browser/content_browser_client.h"
 
-#include "third_party/blink/public/platform/web_cursor_info.h"
 #include "ui/resources/grit/ui_unscaled_resources.h"
 
 namespace {
@@ -39,112 +38,110 @@ class CefCompositorHostWin : public gfx::WindowImpl {
 
 // From content/common/cursors/webcursor_win.cc.
 
-using blink::WebCursorInfo;
-
-LPCWSTR ToCursorID(ui::CursorType type) {
+LPCWSTR ToCursorID(ui::mojom::CursorType type) {
   switch (type) {
-    case ui::CursorType::kPointer:
+    case ui::mojom::CursorType::kPointer:
       return IDC_ARROW;
-    case ui::CursorType::kCross:
+    case ui::mojom::CursorType::kCross:
       return IDC_CROSS;
-    case ui::CursorType::kHand:
+    case ui::mojom::CursorType::kHand:
       return IDC_HAND;
-    case ui::CursorType::kIBeam:
+    case ui::mojom::CursorType::kIBeam:
       return IDC_IBEAM;
-    case ui::CursorType::kWait:
+    case ui::mojom::CursorType::kWait:
       return IDC_WAIT;
-    case ui::CursorType::kHelp:
+    case ui::mojom::CursorType::kHelp:
       return IDC_HELP;
-    case ui::CursorType::kEastResize:
+    case ui::mojom::CursorType::kEastResize:
       return IDC_SIZEWE;
-    case ui::CursorType::kNorthResize:
+    case ui::mojom::CursorType::kNorthResize:
       return IDC_SIZENS;
-    case ui::CursorType::kNorthEastResize:
+    case ui::mojom::CursorType::kNorthEastResize:
       return IDC_SIZENESW;
-    case ui::CursorType::kNorthWestResize:
+    case ui::mojom::CursorType::kNorthWestResize:
       return IDC_SIZENWSE;
-    case ui::CursorType::kSouthResize:
+    case ui::mojom::CursorType::kSouthResize:
       return IDC_SIZENS;
-    case ui::CursorType::kSouthEastResize:
+    case ui::mojom::CursorType::kSouthEastResize:
       return IDC_SIZENWSE;
-    case ui::CursorType::kSouthWestResize:
+    case ui::mojom::CursorType::kSouthWestResize:
       return IDC_SIZENESW;
-    case ui::CursorType::kWestResize:
+    case ui::mojom::CursorType::kWestResize:
       return IDC_SIZEWE;
-    case ui::CursorType::kNorthSouthResize:
+    case ui::mojom::CursorType::kNorthSouthResize:
       return IDC_SIZENS;
-    case ui::CursorType::kEastWestResize:
+    case ui::mojom::CursorType::kEastWestResize:
       return IDC_SIZEWE;
-    case ui::CursorType::kNorthEastSouthWestResize:
+    case ui::mojom::CursorType::kNorthEastSouthWestResize:
       return IDC_SIZENESW;
-    case ui::CursorType::kNorthWestSouthEastResize:
+    case ui::mojom::CursorType::kNorthWestSouthEastResize:
       return IDC_SIZENWSE;
-    case ui::CursorType::kColumnResize:
+    case ui::mojom::CursorType::kColumnResize:
       return MAKEINTRESOURCE(IDC_COLRESIZE);
-    case ui::CursorType::kRowResize:
+    case ui::mojom::CursorType::kRowResize:
       return MAKEINTRESOURCE(IDC_ROWRESIZE);
-    case ui::CursorType::kMiddlePanning:
+    case ui::mojom::CursorType::kMiddlePanning:
       return MAKEINTRESOURCE(IDC_PAN_MIDDLE);
-    case ui::CursorType::kEastPanning:
+    case ui::mojom::CursorType::kEastPanning:
       return MAKEINTRESOURCE(IDC_PAN_EAST);
-    case ui::CursorType::kNorthPanning:
+    case ui::mojom::CursorType::kNorthPanning:
       return MAKEINTRESOURCE(IDC_PAN_NORTH);
-    case ui::CursorType::kNorthEastPanning:
+    case ui::mojom::CursorType::kNorthEastPanning:
       return MAKEINTRESOURCE(IDC_PAN_NORTH_EAST);
-    case ui::CursorType::kNorthWestPanning:
+    case ui::mojom::CursorType::kNorthWestPanning:
       return MAKEINTRESOURCE(IDC_PAN_NORTH_WEST);
-    case ui::CursorType::kSouthPanning:
+    case ui::mojom::CursorType::kSouthPanning:
       return MAKEINTRESOURCE(IDC_PAN_SOUTH);
-    case ui::CursorType::kSouthEastPanning:
+    case ui::mojom::CursorType::kSouthEastPanning:
       return MAKEINTRESOURCE(IDC_PAN_SOUTH_EAST);
-    case ui::CursorType::kSouthWestPanning:
+    case ui::mojom::CursorType::kSouthWestPanning:
       return MAKEINTRESOURCE(IDC_PAN_SOUTH_WEST);
-    case ui::CursorType::kWestPanning:
+    case ui::mojom::CursorType::kWestPanning:
       return MAKEINTRESOURCE(IDC_PAN_WEST);
-    case ui::CursorType::kMove:
+    case ui::mojom::CursorType::kMove:
       return IDC_SIZEALL;
-    case ui::CursorType::kVerticalText:
+    case ui::mojom::CursorType::kVerticalText:
       return MAKEINTRESOURCE(IDC_VERTICALTEXT);
-    case ui::CursorType::kCell:
+    case ui::mojom::CursorType::kCell:
       return MAKEINTRESOURCE(IDC_CELL);
-    case ui::CursorType::kContextMenu:
+    case ui::mojom::CursorType::kContextMenu:
       return IDC_ARROW;
-    case ui::CursorType::kAlias:
+    case ui::mojom::CursorType::kAlias:
       return MAKEINTRESOURCE(IDC_ALIAS);
-    case ui::CursorType::kProgress:
+    case ui::mojom::CursorType::kProgress:
       return IDC_APPSTARTING;
-    case ui::CursorType::kNoDrop:
+    case ui::mojom::CursorType::kNoDrop:
       return IDC_NO;
-    case ui::CursorType::kCopy:
+    case ui::mojom::CursorType::kCopy:
       return MAKEINTRESOURCE(IDC_COPYCUR);
-    case ui::CursorType::kNone:
+    case ui::mojom::CursorType::kNone:
       return MAKEINTRESOURCE(IDC_CURSOR_NONE);
-    case ui::CursorType::kNotAllowed:
+    case ui::mojom::CursorType::kNotAllowed:
       return IDC_NO;
-    case ui::CursorType::kZoomIn:
+    case ui::mojom::CursorType::kZoomIn:
       return MAKEINTRESOURCE(IDC_ZOOMIN);
-    case ui::CursorType::kZoomOut:
+    case ui::mojom::CursorType::kZoomOut:
       return MAKEINTRESOURCE(IDC_ZOOMOUT);
-    case ui::CursorType::kGrab:
+    case ui::mojom::CursorType::kGrab:
       return MAKEINTRESOURCE(IDC_HAND_GRAB);
-    case ui::CursorType::kGrabbing:
+    case ui::mojom::CursorType::kGrabbing:
       return MAKEINTRESOURCE(IDC_HAND_GRABBING);
-    case ui::CursorType::kNull:
+    case ui::mojom::CursorType::kNull:
       return IDC_NO;
-    case ui::CursorType::kMiddlePanningVertical:
+    case ui::mojom::CursorType::kMiddlePanningVertical:
       return MAKEINTRESOURCE(IDC_PAN_MIDDLE_VERTICAL);
-    case ui::CursorType::kMiddlePanningHorizontal:
+    case ui::mojom::CursorType::kMiddlePanningHorizontal:
       return MAKEINTRESOURCE(IDC_PAN_MIDDLE_HORIZONTAL);
     // TODO(cef): Find better cursors for these things
-    case ui::CursorType::kDndNone:
+    case ui::mojom::CursorType::kDndNone:
       return IDC_ARROW;
-    case ui::CursorType::kDndMove:
+    case ui::mojom::CursorType::kDndMove:
       return IDC_ARROW;
-    case ui::CursorType::kDndCopy:
+    case ui::mojom::CursorType::kDndCopy:
       return IDC_ARROW;
-    case ui::CursorType::kDndLink:
+    case ui::mojom::CursorType::kDndLink:
       return IDC_ARROW;
-    case ui::CursorType::kCustom:
+    case ui::mojom::CursorType::kCustom:
       break;
   }
   NOTREACHED();
@@ -158,7 +155,7 @@ bool IsSystemCursorID(LPCWSTR cursor_id) {
 }  // namespace
 
 ui::PlatformCursor CefRenderWidgetHostViewOSR::GetPlatformCursor(
-    ui::CursorType type) {
+    ui::mojom::CursorType type) {
   HMODULE module_handle = NULL;
   const wchar_t* cursor_id = ToCursorID(type);
   if (!IsSystemCursorID(cursor_id)) {

libcef/browser/osr/software_output_device_proxy.cc

@@ -7,7 +7,6 @@
 #include "base/memory/shared_memory_mapping.h"
 #include "base/trace_event/trace_event.h"
 #include "components/viz/common/resources/resource_sizes.h"
-#include "mojo/public/cpp/base/shared_memory_utils.h"
 #include "mojo/public/cpp/system/platform_handle.h"
 #include "skia/ext/platform_canvas.h"
 #include "third_party/skia/include/core/SkCanvas.h"
@@ -74,7 +73,7 @@ void SoftwareOutputDeviceProxy::Resize(const gfx::Size& viewport_pixel_size,
   }
 
 #if !defined(OS_WIN)
-  auto shm = mojo::CreateReadOnlySharedMemoryRegion(required_bytes);
+  auto shm = base::ReadOnlySharedMemoryRegion::Create(required_bytes);
   if (!shm.IsValid()) {
     DLOG(ERROR) << "Failed to allocate " << required_bytes << " bytes";
     return;

libcef/browser/osr/video_consumer_osr.h

@@ -27,6 +27,7 @@ class CefVideoConsumerOSR : public viz::mojom::FrameSinkVideoConsumer {
       mojo::PendingRemote<viz::mojom::FrameSinkVideoConsumerFrameCallbacks>
           callbacks) override;
   void OnStopped() override;
+  void OnLog(const std::string& message) override {}
 
   CefRenderWidgetHostViewOSR* const view_;
   std::unique_ptr<viz::ClientFrameSinkVideoCapturer> video_capturer_;

libcef/browser/osr/web_contents_view_osr.cc

@@ -29,8 +29,11 @@ void CefWebContentsViewOSR::WebContentsCreated(
   DCHECK(!web_contents_);
   web_contents_ = web_contents;
 
-  // Call this again for popup browsers now that the view should exist.
-  RenderViewCreated(web_contents_->GetRenderViewHost());
+  auto host = web_contents_->GetRenderViewHost();
+  CefRenderWidgetHostViewOSR* view =
+      static_cast<CefRenderWidgetHostViewOSR*>(host->GetWidget()->GetView());
+  if (view)
+    view->InstallTransparency();
 }
 
 gfx::NativeView CefWebContentsViewOSR::GetNativeView() const {
@@ -123,15 +126,6 @@ CefWebContentsViewOSR::CreateViewForChildWidget(
 
 void CefWebContentsViewOSR::SetPageTitle(const base::string16& title) {}
 
-void CefWebContentsViewOSR::RenderViewCreated(content::RenderViewHost* host) {
-  if (!host)
-    return;
-  CefRenderWidgetHostViewOSR* view =
-      static_cast<CefRenderWidgetHostViewOSR*>(host->GetWidget()->GetView());
-  if (view)
-    view->InstallTransparency();
-}
-
 void CefWebContentsViewOSR::RenderViewReady() {}
 
 void CefWebContentsViewOSR::RenderViewHostChanged(

libcef/browser/osr/web_contents_view_osr.h

@@ -50,7 +50,6 @@ class CefWebContentsViewOSR : public content::WebContentsView,
   content::RenderWidgetHostViewBase* CreateViewForChildWidget(
       content::RenderWidgetHost* render_widget_host) override;
   void SetPageTitle(const base::string16& title) override;
-  void RenderViewCreated(content::RenderViewHost* host) override;
   void RenderViewReady() override;
   void RenderViewHostChanged(content::RenderViewHost* old_host,
                              content::RenderViewHost* new_host) override;

libcef/browser/prefs/browser_prefs.cc

@@ -18,6 +18,7 @@
 #include "base/values.h"
 #include "chrome/browser/accessibility/accessibility_ui.h"
 #include "chrome/browser/download/download_prefs.h"
+#include "chrome/browser/media/router/media_router_feature.h"
 #include "chrome/browser/net/prediction_options.h"
 #include "chrome/browser/net/profile_network_context_service.h"
 #include "chrome/browser/net/system_network_context_manager.h"
@@ -82,6 +83,7 @@ std::string GetAcceptLanguageList(Profile* profile) {
 }  // namespace
 
 const char kUserPrefsFileName[] = "UserPrefs.json";
+const char kLocalPrefsFileName[] = "LocalPrefs.json";
 
 std::unique_ptr<PrefService> CreatePrefService(Profile* profile,
                                                const base::FilePath& cache_path,
@@ -117,8 +119,8 @@ std::unique_ptr<PrefService> CreatePrefService(Profile* profile,
   // Used to store user preferences.
   scoped_refptr<PersistentPrefStore> user_pref_store;
   if (store_on_disk) {
-    const base::FilePath& pref_path =
-        cache_path.AppendASCII(browser_prefs::kUserPrefsFileName);
+    const base::FilePath& pref_path = cache_path.AppendASCII(
+        profile ? kUserPrefsFileName : kLocalPrefsFileName);
     scoped_refptr<JsonPrefStore> json_pref_store = new JsonPrefStore(
         pref_path, std::unique_ptr<PrefFilter>(), sequenced_task_runner);
     factory.set_user_prefs(json_pref_store.get());
@@ -177,6 +179,7 @@ std::unique_ptr<PrefService> CreatePrefService(Profile* profile,
   CefMediaCaptureDevicesDispatcher::RegisterPrefs(registry.get());
   certificate_transparency::prefs::RegisterPrefs(registry.get());
   flags_ui::PrefServiceFlagsStorage::RegisterPrefs(registry.get());
+  media_router::RegisterLocalStatePrefs(registry.get());
   PluginInfoHostImpl::RegisterUserPrefs(registry.get());
   PrefProxyConfigTrackerImpl::RegisterPrefs(registry.get());
   ProfileNetworkContextService::RegisterLocalStatePrefs(registry.get());
@@ -200,7 +203,7 @@ std::unique_ptr<PrefService> CreatePrefService(Profile* profile,
 
   // From Chrome::RegisterBrowserUserPrefs.
   registry->RegisterBooleanPref(prefs::kPrintPreviewUseSystemDefaultPrinter,
-                                true);
+                                false);
 
   if (command_line->HasSwitch(switches::kEnablePreferenceTesting)) {
     // Preferences used with unit tests.
@@ -225,6 +228,7 @@ std::unique_ptr<PrefService> CreatePrefService(Profile* profile,
     extensions::ExtensionPrefs::RegisterProfilePrefs(registry.get());
     HostContentSettingsMap::RegisterProfilePrefs(registry.get());
     language::LanguagePrefs::RegisterProfilePrefs(registry.get());
+    media_router::RegisterProfilePrefs(registry.get());
     ProfileNetworkContextService::RegisterProfilePrefs(registry.get());
 
     const std::string& locale =

libcef/browser/printing/print_view_manager.cc

@@ -116,10 +116,10 @@ void FillInDictionaryFromPdfPrintSettings(
   print_settings.SetInteger(kSettingMarginsType, margin_type);
   if (margin_type == CUSTOM_MARGINS) {
     std::unique_ptr<base::DictionaryValue> dict(new base::DictionaryValue);
-    dict->SetDouble(kSettingMarginTop, pdf_settings.margin_top);
-    dict->SetDouble(kSettingMarginRight, pdf_settings.margin_right);
-    dict->SetDouble(kSettingMarginBottom, pdf_settings.margin_bottom);
-    dict->SetDouble(kSettingMarginLeft, pdf_settings.margin_left);
+    dict->SetInteger(kSettingMarginTop, pdf_settings.margin_top);
+    dict->SetInteger(kSettingMarginRight, pdf_settings.margin_right);
+    dict->SetInteger(kSettingMarginBottom, pdf_settings.margin_bottom);
+    dict->SetInteger(kSettingMarginLeft, pdf_settings.margin_left);
     print_settings.Set(kSettingMarginsCustom, std::move(dict));
   }
 
@@ -151,7 +151,7 @@ void SavePdfFile(scoped_refptr<base::RefCountedSharedMemoryMapping> data,
   DCHECK_GT(data->size(), 0U);
 
   MetafileSkia metafile;
-  metafile.InitFromData(static_cast<const void*>(data->front()), data->size());
+  metafile.InitFromData(*data);
 
   base::File file(path,
                   base::File::FLAG_CREATE_ALWAYS | base::File::FLAG_WRITE);

libcef/browser/request_context_impl.cc

@@ -7,7 +7,6 @@
 #include "libcef/browser/content_browser_client.h"
 #include "libcef/browser/context.h"
 #include "libcef/browser/extensions/extension_system.h"
-#include "libcef/browser/net_service/cookie_manager_impl.h"
 #include "libcef/browser/thread_util.h"
 #include "libcef/common/extensions/extensions_util.h"
 #include "libcef/common/task_runner_impl.h"
@@ -315,7 +314,7 @@ CefString CefRequestContextImpl::GetCachePath() {
 CefRefPtr<CefCookieManager> CefRequestContextImpl::GetCookieManager(
     CefRefPtr<CefCompletionCallback> callback) {
   CefRefPtr<CefCookieManagerImpl> cookie_manager = new CefCookieManagerImpl();
-  cookie_manager->Initialize(this, callback);
+  InitializeCookieManagerOnUIThread(cookie_manager, callback);
   return cookie_manager.get();
 }
 
@@ -594,6 +593,12 @@ CefRefPtr<CefExtension> CefRequestContextImpl::GetExtension(
   return GetBrowserContext()->extension_system()->GetExtension(extension_id);
 }
 
+CefRefPtr<CefMediaRouter> CefRequestContextImpl::GetMediaRouter() {
+  CefRefPtr<CefMediaRouterImpl> media_router = new CefMediaRouterImpl();
+  InitializeMediaRouterOnUIThread(media_router);
+  return media_router.get();
+}
+
 void CefRequestContextImpl::OnRenderFrameCreated(int render_process_id,
                                                  int render_frame_id,
                                                  int frame_tree_node_id,
@@ -640,9 +645,15 @@ void CefRequestContextImpl::Initialize() {
     // Share storage with |config_.other|.
     browser_context_ =
         CefBrowserContext::GetForContext(config_.other->GetBrowserContext());
+    DCHECK(browser_context_);
   }
 
   if (!browser_context_) {
+    if (!config_.is_global) {
+      // User-specified settings need to be normalized.
+      CefContext::Get()->NormalizeRequestContextSettings(&config_.settings);
+    }
+
     const base::FilePath& cache_path =
         base::FilePath(CefString(&config_.settings.cache_path));
     if (!cache_path.empty()) {
@@ -656,17 +667,17 @@ void CefRequestContextImpl::Initialize() {
     // Create a new CefBrowserContext instance. If the cache path is non-
     // empty then this new instance will become the globally registered
     // CefBrowserContext for that path. Otherwise, this new instance will
-    // be a completely isolated "incongento mode" context.
+    // be a completely isolated "incognito mode" context.
     browser_context_ = new CefBrowserContext(config_.settings);
     browser_context_->Initialize();
+  } else {
+    // Share the same settings as the existing context.
+    config_.settings = browser_context_->GetSettings();
   }
 
   // We'll disassociate from |browser_context_| on destruction.
   browser_context_->AddCefRequestContext(this);
 
-  // Force our settings to match |browser_context_|.
-  config_.settings = browser_context_->GetSettings();
-
   if (config_.other) {
     // Clear the reference to |config_.other| after setting
     // |request_context_getter_|. This is the reverse order of checks in
@@ -761,6 +772,35 @@ void CefRequestContextImpl::ResolveHostInternal(
   helper->Start(browser_context, origin);
 }
 
+void CefRequestContextImpl::InitializeCookieManagerOnUIThread(
+    CefRefPtr<CefCookieManagerImpl> cookie_manager,
+    CefRefPtr<CefCompletionCallback> callback) {
+  if (!CEF_CURRENTLY_ON_UIT()) {
+    CEF_POST_TASK(
+        CEF_UIT,
+        base::Bind(&CefRequestContextImpl::InitializeCookieManagerOnUIThread,
+                   this, cookie_manager, callback));
+    return;
+  }
+
+  auto browser_context = GetBrowserContext();
+  cookie_manager->Initialize(browser_context->getter(), callback);
+}
+
+void CefRequestContextImpl::InitializeMediaRouterOnUIThread(
+    CefRefPtr<CefMediaRouterImpl> media_router) {
+  if (!CEF_CURRENTLY_ON_UIT()) {
+    CEF_POST_TASK(
+        CEF_UIT,
+        base::Bind(&CefRequestContextImpl::InitializeMediaRouterOnUIThread,
+                   this, media_router));
+    return;
+  }
+
+  auto browser_context = GetBrowserContext();
+  media_router->Initialize(browser_context->getter());
+}
+
 CefBrowserContext* CefRequestContextImpl::browser_context() const {
   return browser_context_;
 }

libcef/browser/request_context_impl.h

@@ -8,6 +8,8 @@
 
 #include "include/cef_request_context.h"
 #include "libcef/browser/browser_context.h"
+#include "libcef/browser/media_router/media_router_impl.h"
+#include "libcef/browser/net_service/cookie_manager_impl.h"
 #include "libcef/browser/thread_util.h"
 
 class CefBrowserContext;
@@ -75,6 +77,7 @@ class CefRequestContextImpl : public CefRequestContext {
   bool HasExtension(const CefString& extension_id) override;
   bool GetExtensions(std::vector<CefString>& extension_ids) override;
   CefRefPtr<CefExtension> GetExtension(const CefString& extension_id) override;
+  CefRefPtr<CefMediaRouter> GetMediaRouter() override;
 
   const CefRequestContextSettings& settings() const { return config_.settings; }
 
@@ -147,6 +150,12 @@ class CefRequestContextImpl : public CefRequestContext {
                            CefRefPtr<CefResolveCallback> callback,
                            CefBrowserContext* browser_context);
 
+  void InitializeCookieManagerOnUIThread(
+      CefRefPtr<CefCookieManagerImpl> cookie_manager,
+      CefRefPtr<CefCompletionCallback> callback);
+  void InitializeMediaRouterOnUIThread(
+      CefRefPtr<CefMediaRouterImpl> media_router);
+
   CefBrowserContext* browser_context() const;
 
   // We must disassociate from this on destruction.

libcef/common/cef_switches.cc

@@ -114,11 +114,13 @@ const char kPluginPolicy_Block[] = "block";
 const char kEnablePreferenceTesting[] = "enable-preference-testing";
 
 // Enable print preview.
-extern const char kEnablePrintPreview[] = "enable-print-preview";
+const char kEnablePrintPreview[] = "enable-print-preview";
 
 // Disable the timeout for delivering new browser info to the renderer process.
-extern const char kDisableNewBrowserInfoTimeout[] =
-    "disable-new-browser-info-timeout";
+const char kDisableNewBrowserInfoTimeout[] = "disable-new-browser-info-timeout";
+
+// File used for logging DevTools protocol messages.
+const char kDevToolsProtocolLogFile[] = "devtools-protocol-log-file";
 
 #if defined(OS_MACOSX)
 // Path to the framework directory.

libcef/common/cef_switches.h

@@ -53,6 +53,7 @@ extern const char kPluginPolicy_Block[];
 extern const char kEnablePreferenceTesting[];
 extern const char kEnablePrintPreview[];
 extern const char kDisableNewBrowserInfoTimeout[];
+extern const char kDevToolsProtocolLogFile[];
 
 #if defined(OS_MACOSX)
 extern const char kFrameworkDirPath[];

libcef/common/content_client.cc

@@ -9,7 +9,6 @@
 
 #include "include/cef_stream.h"
 #include "include/cef_version.h"
-#include "libcef/browser/content_browser_client.h"
 #include "libcef/browser/extensions/pdf_extension_util.h"
 #include "libcef/common/cef_switches.h"
 #include "libcef/common/extensions/extensions_util.h"
@@ -30,6 +29,7 @@
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pepper_flash.h"
+#include "content/public/browser/child_process_security_policy.h"
 #include "content/public/common/content_constants.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/pepper_plugin_info.h"
@@ -162,10 +162,12 @@ bool GetSystemPepperFlash(content::PepperPluginInfo* plugin) {
   std::string manifest_data;
   if (!base::ReadFileToString(manifest_path, &manifest_data))
     return false;
-  std::unique_ptr<base::Value> manifest_value(base::Value::ToUniquePtrValue(
-      std::move(base::JSONReader::Read(manifest_data,
-                                       base::JSON_ALLOW_TRAILING_COMMAS)
-                    .value())));
+  auto json_manifest_value =
+      base::JSONReader::Read(manifest_data, base::JSON_ALLOW_TRAILING_COMMAS);
+  if (!json_manifest_value.has_value())
+    return false;
+  std::unique_ptr<base::Value> manifest_value(
+      base::Value::ToUniquePtrValue(std::move(json_manifest_value.value())));
   if (!manifest_value.get())
     return false;
   base::DictionaryValue* manifest = nullptr;
@@ -292,9 +294,15 @@ void CefContentClient::AddCustomScheme(const SchemeInfo& scheme_info) {
   DCHECK(!scheme_info_list_locked_);
   scheme_info_list_.push_back(scheme_info);
 
-  if (CefContentBrowserClient::Get()) {
-    CefContentBrowserClient::Get()->RegisterCustomScheme(
-        scheme_info.scheme_name);
+  base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
+  if (!command_line->HasSwitch(switches::kProcessType)) {
+    // Register as a Web-safe scheme in the browser process so that requests for
+    // the scheme from a render process will be allowed in
+    // resource_dispatcher_host_impl.cc ShouldServiceRequest.
+    content::ChildProcessSecurityPolicy* policy =
+        content::ChildProcessSecurityPolicy::GetInstance();
+    if (!policy->IsWebSafeScheme(scheme_info.scheme_name))
+      policy->RegisterWebSafeScheme(scheme_info.scheme_name);
   }
 }