Update to Chromium version 86.0.4240.0 (#800218)

- CefURLRequest::Create is no longer supported in the renderer process
  (see https://crbug.com/891872). Use CefFrame::CreateURLRequest instead.
- Mac platform definitions have been changed from `MACOSX` to `MAC`
  (see https://crbug.com/1105907) and related CMake macro names have
  been updated. The old `OS_MACOSX` define is still set in code and CMake
  for backwards compatibility.
- Linux ARM build is currently broken (see https://crbug.com/1123214).

patch/patches/chrome_plugins.patch

@@ -1,5 +1,5 @@
 diff --git chrome/browser/plugins/plugin_info_host_impl.cc chrome/browser/plugins/plugin_info_host_impl.cc
-index d49a1df73622..9a389e4383f0 100644
+index d789ee040ac5..58b45d5a56f2 100644
 --- chrome/browser/plugins/plugin_info_host_impl.cc
 +++ chrome/browser/plugins/plugin_info_host_impl.cc
 @@ -18,6 +18,7 @@
@@ -128,7 +128,7 @@ index d49a1df73622..9a389e4383f0 100644
    // If we broke out of the loop, we have found an enabled plugin.
    bool enabled = i < matching_plugins.size();
 diff --git chrome/browser/plugins/plugin_utils.cc chrome/browser/plugins/plugin_utils.cc
-index 4e64db143b8a..3dc127b7b992 100644
+index 1471b8f2a414..a856ce635719 100644
 --- chrome/browser/plugins/plugin_utils.cc
 +++ chrome/browser/plugins/plugin_utils.cc
 @@ -5,6 +5,7 @@
@@ -150,7 +150,7 @@ index 4e64db143b8a..3dc127b7b992 100644
  #if BUILDFLAG(ENABLE_EXTENSIONS)
  #include "chrome/common/pref_names.h"
  #include "components/prefs/pref_service.h"
-@@ -182,6 +187,12 @@ base::flat_map<std::string, std::string>
+@@ -181,6 +186,12 @@ base::flat_map<std::string, std::string>
  PluginUtils::GetMimeTypeToExtensionIdMap(
      content::BrowserContext* browser_context) {
    base::flat_map<std::string, std::string> mime_type_to_extension_id_map;
@@ -162,7 +162,7 @@ index 4e64db143b8a..3dc127b7b992 100644
 +
  #if BUILDFLAG(ENABLE_EXTENSIONS)
    Profile* profile = Profile::FromBrowserContext(browser_context);
-   std::vector<std::string> whitelist = MimeTypesHandler::GetMIMETypeWhitelist();
+   const std::vector<std::string>& allowlist =
 diff --git chrome/common/google_url_loader_throttle.cc chrome/common/google_url_loader_throttle.cc
 index c1870b0f56ef..d32b8d54fb3f 100644
 --- chrome/common/google_url_loader_throttle.cc
@@ -198,10 +198,10 @@ index c1870b0f56ef..d32b8d54fb3f 100644
    GURL webstore_url(extension_urls::GetWebstoreLaunchURL());
    if (response_url.SchemeIsHTTPOrHTTPS() &&
 diff --git chrome/renderer/chrome_content_renderer_client.cc chrome/renderer/chrome_content_renderer_client.cc
-index 03d1e6a07843..2fd040ed87b5 100644
+index eb6e5d353b33..62994a141421 100644
 --- chrome/renderer/chrome_content_renderer_client.cc
 +++ chrome/renderer/chrome_content_renderer_client.cc
-@@ -842,6 +842,7 @@ WebPlugin* ChromeContentRendererClient::CreatePlugin(
+@@ -823,6 +823,7 @@ WebPlugin* ChromeContentRendererClient::CreatePlugin(
  
      if ((status == chrome::mojom::PluginStatus::kUnauthorized ||
           status == chrome::mojom::PluginStatus::kBlocked) &&
@@ -209,7 +209,7 @@ index 03d1e6a07843..2fd040ed87b5 100644
          content_settings_agent_delegate->IsPluginTemporarilyAllowed(
              identifier)) {
        status = chrome::mojom::PluginStatus::kAllowed;
-@@ -1045,7 +1046,8 @@ WebPlugin* ChromeContentRendererClient::CreatePlugin(
+@@ -1026,7 +1027,8 @@ WebPlugin* ChromeContentRendererClient::CreatePlugin(
          render_frame->GetRemoteAssociatedInterfaces()->GetInterface(
              plugin_auth_host.BindNewEndpointAndPassReceiver());
          plugin_auth_host->BlockedUnauthorizedPlugin(group_name, identifier);
@@ -219,7 +219,7 @@ index 03d1e6a07843..2fd040ed87b5 100644
          break;
        }
        case chrome::mojom::PluginStatus::kBlocked: {
-@@ -1054,7 +1056,8 @@ WebPlugin* ChromeContentRendererClient::CreatePlugin(
+@@ -1035,7 +1037,8 @@ WebPlugin* ChromeContentRendererClient::CreatePlugin(
              l10n_util::GetStringFUTF16(IDS_PLUGIN_BLOCKED, group_name));
          placeholder->AllowLoading();
          RenderThread::Get()->RecordAction(UserMetricsAction("Plugin_Blocked"));
@@ -229,7 +229,7 @@ index 03d1e6a07843..2fd040ed87b5 100644
          break;
        }
        case chrome::mojom::PluginStatus::kBlockedByPolicy: {
-@@ -1064,7 +1067,8 @@ WebPlugin* ChromeContentRendererClient::CreatePlugin(
+@@ -1045,7 +1048,8 @@ WebPlugin* ChromeContentRendererClient::CreatePlugin(
                                         group_name));
          RenderThread::Get()->RecordAction(
              UserMetricsAction("Plugin_BlockedByPolicy"));
@@ -239,7 +239,7 @@ index 03d1e6a07843..2fd040ed87b5 100644
          break;
        }
        case chrome::mojom::PluginStatus::kBlockedNoLoading: {
-@@ -1072,7 +1076,8 @@ WebPlugin* ChromeContentRendererClient::CreatePlugin(
+@@ -1053,7 +1057,8 @@ WebPlugin* ChromeContentRendererClient::CreatePlugin(
              IDR_BLOCKED_PLUGIN_HTML,
              l10n_util::GetStringFUTF16(IDS_PLUGIN_BLOCKED_NO_LOADING,
                                         group_name));
@@ -250,10 +250,10 @@ index 03d1e6a07843..2fd040ed87b5 100644
        }
        case chrome::mojom::PluginStatus::kComponentUpdateRequired: {
 diff --git chrome/renderer/plugins/chrome_plugin_placeholder.cc chrome/renderer/plugins/chrome_plugin_placeholder.cc
-index d662fe9310c9..c4c406d16b95 100644
+index 4e883820f752..267c6af2af6b 100644
 --- chrome/renderer/plugins/chrome_plugin_placeholder.cc
 +++ chrome/renderer/plugins/chrome_plugin_placeholder.cc
-@@ -360,8 +360,11 @@ void ChromePluginPlaceholder::OnBlockedContent(
+@@ -364,8 +364,11 @@ void ChromePluginPlaceholder::OnBlockedContent(
  
    if (status ==
        content::RenderFrame::PeripheralContentStatus::CONTENT_STATUS_TINY) {
@@ -267,3 +267,19 @@ index d662fe9310c9..c4c406d16b95 100644
    }
  
    std::string message = base::StringPrintf(
+diff --git content/browser/browser_plugin/browser_plugin_guest.h content/browser/browser_plugin/browser_plugin_guest.h
+index c44044339647..3cdb3fb4bb63 100644
+--- content/browser/browser_plugin/browser_plugin_guest.h
++++ content/browser/browser_plugin/browser_plugin_guest.h
+@@ -130,6 +130,11 @@ class CONTENT_EXPORT BrowserPluginGuest : public GuestHost,
+   void EmbedderSystemDragEnded();
+   void EndSystemDragIfApplicable();
+ 
++  // Returns the embedder frame for this guest.
++  RenderFrameHost* GetEmbedderFrame() const {
++    return delegate_->GetEmbedderFrame();
++  }
++
+  protected:
+   // BrowserPluginGuest is a WebContentsObserver of |web_contents| and
+   // |web_contents| has to stay valid for the lifetime of BrowserPluginGuest.