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49a34d9160
Add "cef/" prefix for CEF #includes in libcef/ directory. Sort #includes by following https://google.github.io/styleguide/cppguide.html#Names_and_Order_of_Includes
600 lines
23 KiB
C++
600 lines
23 KiB
C++
// Copyright (c) 2013 The Chromium Embedded Framework Authors.
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// Portions copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "cef/libcef/renderer/alloy/alloy_content_renderer_client.h"
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#include <memory>
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#include <utility>
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#include "build/build_config.h"
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// Enable deprecation warnings on Windows. See http://crbug.com/585142.
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#if BUILDFLAG(IS_WIN)
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#if defined(__clang__)
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#pragma GCC diagnostic push
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#pragma GCC diagnostic error "-Wdeprecated-declarations"
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#else
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#pragma warning(push)
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#pragma warning(default : 4996)
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#endif
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#endif
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#include "base/command_line.h"
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#include "base/memory/ptr_util.h"
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#include "base/metrics/user_metrics_action.h"
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#include "base/path_service.h"
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#include "base/process/current_process.h"
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#include "base/stl_util.h"
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#include "base/strings/utf_string_conversions.h"
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#include "build/build_config.h"
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#include "cef/libcef/browser/alloy/alloy_content_browser_client.h"
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#include "cef/libcef/browser/context.h"
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#include "cef/libcef/common/alloy/alloy_content_client.h"
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#include "cef/libcef/common/app_manager.h"
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#include "cef/libcef/common/cef_switches.h"
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#include "cef/libcef/common/extensions/extensions_client.h"
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#include "cef/libcef/common/extensions/extensions_util.h"
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#include "cef/libcef/common/request_impl.h"
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#include "cef/libcef/features/runtime_checks.h"
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#include "cef/libcef/renderer/alloy/alloy_render_frame_observer.h"
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#include "cef/libcef/renderer/alloy/alloy_render_thread_observer.h"
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#include "cef/libcef/renderer/alloy/url_loader_throttle_provider_impl.h"
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#include "cef/libcef/renderer/browser_impl.h"
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#include "cef/libcef/renderer/extensions/extensions_renderer_client.h"
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#include "cef/libcef/renderer/render_manager.h"
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#include "cef/libcef/renderer/thread_util.h"
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#include "chrome/common/chrome_switches.h"
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#include "chrome/common/pdf_util.h"
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#include "chrome/common/url_constants.h"
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#include "chrome/renderer/browser_exposed_renderer_interfaces.h"
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#include "chrome/renderer/chrome_content_renderer_client.h"
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#include "chrome/renderer/extensions/chrome_extensions_renderer_client.h"
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#include "chrome/renderer/loadtimes_extension_bindings.h"
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#include "chrome/renderer/media/chrome_key_systems.h"
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#include "chrome/renderer/plugins/chrome_plugin_placeholder.h"
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#include "chrome/renderer/printing/chrome_print_render_frame_helper_delegate.h"
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#include "components/content_settings/core/common/content_settings_types.h"
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#include "components/nacl/common/nacl_constants.h"
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#include "components/pdf/common/constants.h"
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#include "components/pdf/common/pdf_util.h"
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#include "components/pdf/renderer/internal_plugin_renderer_helpers.h"
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#include "components/printing/renderer/print_render_frame_helper.h"
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#include "components/spellcheck/renderer/spellcheck.h"
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#include "components/spellcheck/renderer/spellcheck_provider.h"
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#include "components/visitedlink/renderer/visitedlink_reader.h"
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#include "components/web_cache/renderer/web_cache_impl.h"
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#include "content/public/browser/browser_task_traits.h"
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#include "content/public/browser/browser_thread.h"
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#include "content/public/browser/render_process_host.h"
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#include "content/public/child/child_thread.h"
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#include "content/public/common/content_constants.h"
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#include "content/public/common/content_paths.h"
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#include "content/public/common/content_switches.h"
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#include "content/public/common/url_constants.h"
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#include "content/public/renderer/render_frame.h"
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#include "extensions/common/manifest_handlers/csp_info.h"
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#include "extensions/common/switches.h"
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#include "extensions/renderer/guest_view/mime_handler_view/mime_handler_view_container_manager.h"
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#include "extensions/renderer/renderer_extension_registry.h"
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#include "ipc/ipc_sync_channel.h"
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#include "media/base/media.h"
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#include "mojo/public/cpp/bindings/binder_map.h"
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#include "mojo/public/cpp/bindings/generic_pending_receiver.h"
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#include "printing/print_settings.h"
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#include "services/network/public/cpp/is_potentially_trustworthy.h"
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#include "services/service_manager/public/cpp/connector.h"
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#include "services/service_manager/public/cpp/interface_provider.h"
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#include "third_party/blink/public/common/associated_interfaces/associated_interface_provider.h"
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#include "third_party/blink/public/common/associated_interfaces/associated_interface_registry.h"
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#include "third_party/blink/public/platform/scheduler/web_renderer_process_type.h"
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#include "third_party/blink/public/platform/url_conversion.h"
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#include "third_party/blink/public/platform/web_runtime_features.h"
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#include "third_party/blink/public/platform/web_string.h"
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#include "third_party/blink/public/platform/web_url.h"
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#include "third_party/blink/public/web/web_console_message.h"
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#include "third_party/blink/public/web/web_element.h"
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#include "third_party/blink/public/web/web_frame.h"
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#include "third_party/blink/public/web/web_local_frame.h"
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#include "third_party/blink/public/web/web_script_controller.h"
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#include "third_party/blink/public/web/web_security_policy.h"
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#include "third_party/blink/public/web/web_view.h"
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#include "ui/base/l10n/l10n_util.h"
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#if BUILDFLAG(IS_MAC)
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#include "base/mac/mac_util.h"
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#include "base/strings/sys_string_conversions.h"
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#endif
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AlloyContentRendererClient::AlloyContentRendererClient()
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: main_entry_time_(base::TimeTicks::Now()),
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render_manager_(new CefRenderManager) {
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if (extensions::ExtensionsEnabled()) {
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extensions_client_ = std::make_unique<extensions::CefExtensionsClient>();
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extensions::ExtensionsClient::Set(extensions_client_.get());
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extensions_renderer_client_ =
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std::make_unique<extensions::CefExtensionsRendererClient>(this);
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extensions::ExtensionsRendererClient::Set(
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extensions_renderer_client_.get());
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}
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}
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AlloyContentRendererClient::~AlloyContentRendererClient() = default;
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// static
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AlloyContentRendererClient* AlloyContentRendererClient::Get() {
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REQUIRE_ALLOY_RUNTIME();
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return static_cast<AlloyContentRendererClient*>(
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CefAppManager::Get()->GetContentClient()->renderer());
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}
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scoped_refptr<base::SingleThreadTaskRunner>
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AlloyContentRendererClient::GetCurrentTaskRunner() {
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// Check if currently on the render thread.
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if (CEF_CURRENTLY_ON_RT()) {
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return render_task_runner_;
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}
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return nullptr;
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}
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void AlloyContentRendererClient::RunSingleProcessCleanup() {
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DCHECK(content::RenderProcessHost::run_renderer_in_process());
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// Make sure the render thread was actually started.
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if (!render_task_runner_.get()) {
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return;
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}
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if (content::BrowserThread::CurrentlyOn(content::BrowserThread::UI)) {
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RunSingleProcessCleanupOnUIThread();
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} else {
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CEF_POST_TASK(
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CEF_UIT,
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base::BindOnce(
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&AlloyContentRendererClient::RunSingleProcessCleanupOnUIThread,
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base::Unretained(this)));
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}
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// Wait for the render thread cleanup to complete. Spin instead of using
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// base::WaitableEvent because calling Wait() is not allowed on the UI
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// thread.
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bool complete = false;
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do {
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{
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base::AutoLock lock_scope(single_process_cleanup_lock_);
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complete = single_process_cleanup_complete_;
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}
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if (!complete) {
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base::PlatformThread::YieldCurrentThread();
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}
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} while (!complete);
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}
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void AlloyContentRendererClient::PostIOThreadCreated(
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base::SingleThreadTaskRunner*) {
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// TODO(cef): Enable these once the implementation supports it.
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blink::WebRuntimeFeatures::EnableNotifications(false);
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blink::WebRuntimeFeatures::EnablePushMessaging(false);
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}
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void AlloyContentRendererClient::RenderThreadStarted() {
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const base::CommandLine* command_line =
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base::CommandLine::ForCurrentProcess();
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render_task_runner_ = base::SingleThreadTaskRunner::GetCurrentDefault();
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observer_ = std::make_unique<AlloyRenderThreadObserver>();
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web_cache_impl_ = std::make_unique<web_cache::WebCacheImpl>();
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visited_link_slave_ = std::make_unique<visitedlink::VisitedLinkReader>();
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content::RenderThread* thread = content::RenderThread::Get();
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const bool is_extension = CefRenderManager::IsExtensionProcess();
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thread->SetRendererProcessType(
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is_extension
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? blink::scheduler::WebRendererProcessType::kExtensionRenderer
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: blink::scheduler::WebRendererProcessType::kRenderer);
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if (is_extension) {
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// The process name was set to "Renderer" in RendererMain(). Update it to
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// "Extension Renderer" to highlight that it's hosting an extension.
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base::CurrentProcess::GetInstance().SetProcessType(
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base::CurrentProcessType::PROCESS_RENDERER_EXTENSION);
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}
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thread->AddObserver(observer_.get());
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if (!command_line->HasSwitch(switches::kDisableSpellChecking)) {
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spellcheck_ = std::make_unique<SpellCheck>(this);
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}
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if (content::RenderProcessHost::run_renderer_in_process()) {
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// When running in single-process mode register as a destruction observer
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// on the render thread's MessageLoop.
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base::CurrentThread::Get()->AddDestructionObserver(this);
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}
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#if BUILDFLAG(IS_MAC)
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{
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base::apple::ScopedCFTypeRef<CFStringRef> key(
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base::SysUTF8ToCFStringRef("NSScrollViewRubberbanding"));
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base::apple::ScopedCFTypeRef<CFStringRef> value;
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// If the command-line switch is specified then set the value that will be
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// checked in RenderThreadImpl::Init(). Otherwise, remove the application-
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// level value.
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if (command_line->HasSwitch(switches::kDisableScrollBounce)) {
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value.reset(base::SysUTF8ToCFStringRef("false"));
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}
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CFPreferencesSetAppValue(key.get(), value.get(),
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kCFPreferencesCurrentApplication);
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CFPreferencesAppSynchronize(kCFPreferencesCurrentApplication);
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}
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#endif // BUILDFLAG(IS_MAC)
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if (extensions::ExtensionsEnabled()) {
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extensions_renderer_client_->RenderThreadStarted();
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}
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}
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void AlloyContentRendererClient::ExposeInterfacesToBrowser(
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mojo::BinderMap* binders) {
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auto task_runner = base::SequencedTaskRunner::GetCurrentDefault();
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binders->Add<web_cache::mojom::WebCache>(
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base::BindRepeating(&web_cache::WebCacheImpl::BindReceiver,
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base::Unretained(web_cache_impl_.get())),
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task_runner);
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binders->Add<visitedlink::mojom::VisitedLinkNotificationSink>(
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visited_link_slave_->GetBindCallback(), task_runner);
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if (spellcheck_) {
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binders->Add<spellcheck::mojom::SpellChecker>(
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base::BindRepeating(
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[](SpellCheck* spellcheck,
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mojo::PendingReceiver<spellcheck::mojom::SpellChecker>
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receiver) { spellcheck->BindReceiver(std::move(receiver)); },
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base::Unretained(spellcheck_.get())),
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task_runner);
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}
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render_manager_->ExposeInterfacesToBrowser(binders);
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}
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void AlloyContentRendererClient::RenderThreadConnected() {
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// Register extensions last because it will trigger WebKit initialization.
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blink::WebScriptController::RegisterExtension(
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extensions_v8::LoadTimesExtension::Get());
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render_manager_->RenderThreadConnected();
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}
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void AlloyContentRendererClient::RenderFrameCreated(
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content::RenderFrame* render_frame) {
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auto render_frame_observer = new AlloyRenderFrameObserver(render_frame);
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if (extensions::ExtensionsEnabled()) {
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extensions_renderer_client_->RenderFrameCreated(
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render_frame, render_frame_observer->registry());
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render_frame_observer->associated_interfaces()
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->AddInterface<extensions::mojom::MimeHandlerViewContainerManager>(
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base::BindRepeating(
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&extensions::MimeHandlerViewContainerManager::BindReceiver,
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base::Unretained(render_frame)));
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}
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const base::CommandLine* command_line =
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base::CommandLine::ForCurrentProcess();
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if (!command_line->HasSwitch(switches::kDisableSpellChecking)) {
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new SpellCheckProvider(render_frame, spellcheck_.get());
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}
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bool browser_created;
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std::optional<bool> is_windowless;
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std::optional<bool> print_preview_enabled;
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render_manager_->RenderFrameCreated(render_frame, render_frame_observer,
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browser_created, is_windowless,
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print_preview_enabled);
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if (browser_created) {
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OnBrowserCreated(render_frame->GetWebView(), is_windowless);
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}
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// |print_preview_enabled| may be empty, in which case the
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// kDisablePrintPreview command-line flag will be checked.
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new printing::PrintRenderFrameHelper(
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render_frame, std::make_unique<ChromePrintRenderFrameHelperDelegate>(
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print_preview_enabled));
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}
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void AlloyContentRendererClient::WebViewCreated(
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blink::WebView* web_view,
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bool was_created_by_renderer,
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const url::Origin* outermost_origin) {
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bool browser_created;
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std::optional<bool> is_windowless;
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std::optional<bool> print_preview_enabled;
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render_manager_->WebViewCreated(web_view, browser_created, is_windowless,
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print_preview_enabled);
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if (browser_created) {
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OnBrowserCreated(web_view, is_windowless);
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}
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}
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bool AlloyContentRendererClient::IsPluginHandledExternally(
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content::RenderFrame* render_frame,
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const blink::WebElement& plugin_element,
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const GURL& original_url,
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const std::string& mime_type) {
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if (!extensions::ExtensionsEnabled()) {
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return false;
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}
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DCHECK(plugin_element.HasHTMLTagName("object") ||
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plugin_element.HasHTMLTagName("embed"));
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// Blink will next try to load a WebPlugin which would end up in
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// OverrideCreatePlugin, sending another IPC only to find out the plugin is
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// not supported. Here it suffices to return false but there should perhaps be
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// a more unified approach to avoid sending the IPC twice.
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chrome::mojom::PluginInfoPtr plugin_info = chrome::mojom::PluginInfo::New();
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mojo::AssociatedRemote<chrome::mojom::PluginInfoHost> plugin_info_host;
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render_frame->GetRemoteAssociatedInterfaces()->GetInterface(
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&plugin_info_host);
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plugin_info_host->GetPluginInfo(
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original_url, render_frame->GetWebFrame()->Top()->GetSecurityOrigin(),
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mime_type, &plugin_info);
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// TODO(ekaramad): Not continuing here due to a disallowed status should take
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// us to CreatePlugin. See if more in depths investigation of |status| is
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// necessary here (see https://crbug.com/965747). For now, returning false
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// should take us to CreatePlugin after HTMLPlugInElement which is called
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// through HTMLPlugInElement::LoadPlugin code path.
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if (plugin_info->status != chrome::mojom::PluginStatus::kAllowed &&
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plugin_info->status !=
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chrome::mojom::PluginStatus::kPlayImportantContent) {
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// We could get here when a MimeHandlerView is loaded inside a <webview>
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// which is using permissions API (see WebViewPluginTests).
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ChromeExtensionsRendererClient::DidBlockMimeHandlerViewForDisallowedPlugin(
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plugin_element);
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return false;
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}
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if (plugin_info->actual_mime_type == pdf::kInternalPluginMimeType) {
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// Only actually treat the internal PDF plugin as externally handled if
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// used within an origin allowed to create the internal PDF plugin;
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// otherwise, let Blink try to create the in-process PDF plugin.
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if (IsPdfInternalPluginAllowedOrigin(
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render_frame->GetWebFrame()->GetSecurityOrigin())) {
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return true;
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}
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}
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return ChromeExtensionsRendererClient::MaybeCreateMimeHandlerView(
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plugin_element, original_url, plugin_info->actual_mime_type,
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plugin_info->plugin);
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}
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bool AlloyContentRendererClient::OverrideCreatePlugin(
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content::RenderFrame* render_frame,
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const blink::WebPluginParams& params,
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blink::WebPlugin** plugin) {
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std::string orig_mime_type = params.mime_type.Utf8();
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if (extensions::ExtensionsEnabled() &&
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!extensions_renderer_client_->OverrideCreatePlugin(render_frame,
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params)) {
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return false;
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}
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GURL url(params.url);
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chrome::mojom::PluginInfoPtr plugin_info = chrome::mojom::PluginInfo::New();
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mojo::AssociatedRemote<chrome::mojom::PluginInfoHost> plugin_info_host;
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render_frame->GetRemoteAssociatedInterfaces()->GetInterface(
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&plugin_info_host);
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plugin_info_host->GetPluginInfo(
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url, render_frame->GetWebFrame()->Top()->GetSecurityOrigin(),
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orig_mime_type, &plugin_info);
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*plugin = ChromeContentRendererClient::CreatePlugin(render_frame, params,
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*plugin_info);
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return true;
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}
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void AlloyContentRendererClient::WillSendRequest(
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blink::WebLocalFrame* frame,
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ui::PageTransition transition_type,
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const blink::WebURL& url,
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const net::SiteForCookies& site_for_cookies,
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const url::Origin* initiator_origin,
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GURL* new_url) {
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if (extensions::ExtensionsEnabled()) {
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extensions_renderer_client_->WillSendRequest(frame, transition_type, url,
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site_for_cookies,
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initiator_origin, new_url);
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if (!new_url->is_empty()) {
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return;
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}
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}
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}
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uint64_t AlloyContentRendererClient::VisitedLinkHash(
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std::string_view canonical_url) {
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return visited_link_slave_->ComputeURLFingerprint(canonical_url);
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}
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bool AlloyContentRendererClient::IsLinkVisited(uint64_t link_hash) {
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return visited_link_slave_->IsVisited(link_hash);
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}
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bool AlloyContentRendererClient::IsOriginIsolatedPepperPlugin(
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const base::FilePath& plugin_path) {
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// Isolate all the plugins (including the PDF plugin).
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return true;
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}
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std::unique_ptr<media::KeySystemSupportRegistration>
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AlloyContentRendererClient::GetSupportedKeySystems(
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content::RenderFrame* render_frame,
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media::GetSupportedKeySystemsCB cb) {
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return GetChromeKeySystems(render_frame, std::move(cb));
|
|
}
|
|
|
|
void AlloyContentRendererClient::RunScriptsAtDocumentStart(
|
|
content::RenderFrame* render_frame) {
|
|
if (extensions::ExtensionsEnabled()) {
|
|
extensions_renderer_client_->RunScriptsAtDocumentStart(render_frame);
|
|
}
|
|
}
|
|
|
|
void AlloyContentRendererClient::RunScriptsAtDocumentEnd(
|
|
content::RenderFrame* render_frame) {
|
|
if (extensions::ExtensionsEnabled()) {
|
|
extensions_renderer_client_->RunScriptsAtDocumentEnd(render_frame);
|
|
}
|
|
}
|
|
|
|
void AlloyContentRendererClient::RunScriptsAtDocumentIdle(
|
|
content::RenderFrame* render_frame) {
|
|
if (extensions::ExtensionsEnabled()) {
|
|
extensions_renderer_client_->RunScriptsAtDocumentIdle(render_frame);
|
|
}
|
|
}
|
|
|
|
void AlloyContentRendererClient::DevToolsAgentAttached() {
|
|
// WebWorkers may be creating agents on a different thread.
|
|
if (!render_task_runner_->BelongsToCurrentThread()) {
|
|
render_task_runner_->PostTask(
|
|
FROM_HERE,
|
|
base::BindOnce(&AlloyContentRendererClient::DevToolsAgentAttached,
|
|
base::Unretained(this)));
|
|
return;
|
|
}
|
|
|
|
render_manager_->DevToolsAgentAttached();
|
|
}
|
|
|
|
void AlloyContentRendererClient::DevToolsAgentDetached() {
|
|
// WebWorkers may be creating agents on a different thread.
|
|
if (!render_task_runner_->BelongsToCurrentThread()) {
|
|
render_task_runner_->PostTask(
|
|
FROM_HERE,
|
|
base::BindOnce(&AlloyContentRendererClient::DevToolsAgentDetached,
|
|
base::Unretained(this)));
|
|
return;
|
|
}
|
|
|
|
render_manager_->DevToolsAgentDetached();
|
|
}
|
|
|
|
std::unique_ptr<blink::URLLoaderThrottleProvider>
|
|
AlloyContentRendererClient::CreateURLLoaderThrottleProvider(
|
|
blink::URLLoaderThrottleProviderType provider_type) {
|
|
return std::make_unique<CefURLLoaderThrottleProviderImpl>(provider_type,
|
|
this);
|
|
}
|
|
|
|
void AlloyContentRendererClient::AppendContentSecurityPolicy(
|
|
const blink::WebURL& url,
|
|
blink::WebVector<blink::WebContentSecurityPolicyHeader>* csp) {
|
|
if (!extensions::ExtensionsEnabled()) {
|
|
return;
|
|
}
|
|
|
|
// Don't apply default CSP to PDF renderers.
|
|
// TODO(crbug.com/1252096): Lock down the CSP once style and script are no
|
|
// longer injected inline by `pdf::PluginResponseWriter`. That class may be a
|
|
// better place to define such CSP, or we may continue doing so here.
|
|
if (pdf::IsPdfRenderer()) {
|
|
return;
|
|
}
|
|
|
|
DCHECK(csp);
|
|
GURL gurl(url);
|
|
const extensions::Extension* extension =
|
|
extensions::RendererExtensionRegistry::Get()->GetExtensionOrAppByURL(
|
|
gurl);
|
|
if (!extension) {
|
|
return;
|
|
}
|
|
|
|
// Append a minimum CSP to ensure the extension can't relax the default
|
|
// applied CSP through means like Service Worker.
|
|
const std::string* default_csp =
|
|
extensions::CSPInfo::GetMinimumCSPToAppend(*extension, gurl.path());
|
|
if (!default_csp) {
|
|
return;
|
|
}
|
|
|
|
csp->push_back({blink::WebString::FromUTF8(*default_csp),
|
|
network::mojom::ContentSecurityPolicyType::kEnforce,
|
|
network::mojom::ContentSecurityPolicySource::kHTTP});
|
|
}
|
|
|
|
void AlloyContentRendererClient::GetInterface(
|
|
const std::string& interface_name,
|
|
mojo::ScopedMessagePipeHandle interface_pipe) {
|
|
// TODO(crbug.com/977637): Get rid of the use of this implementation of
|
|
// |service_manager::LocalInterfaceProvider|. This was done only to avoid
|
|
// churning spellcheck code while eliminating the "chrome" and
|
|
// "chrome_renderer" services. Spellcheck is (and should remain) the only
|
|
// consumer of this implementation.
|
|
content::RenderThread::Get()->BindHostReceiver(
|
|
mojo::GenericPendingReceiver(interface_name, std::move(interface_pipe)));
|
|
}
|
|
|
|
void AlloyContentRendererClient::WillDestroyCurrentMessageLoop() {
|
|
base::AutoLock lock_scope(single_process_cleanup_lock_);
|
|
single_process_cleanup_complete_ = true;
|
|
}
|
|
|
|
void AlloyContentRendererClient::OnBrowserCreated(
|
|
blink::WebView* web_view,
|
|
std::optional<bool> is_windowless) {
|
|
#if BUILDFLAG(IS_MAC)
|
|
const bool windowless = is_windowless.has_value() && *is_windowless;
|
|
|
|
// FIXME: It would be better if this API would be a callback from the
|
|
// WebKit layer, or if it would be exposed as an WebView instance method; the
|
|
// current implementation uses a static variable, and WebKit needs to be
|
|
// patched in order to make it work for each WebView instance
|
|
web_view->SetUseExternalPopupMenusThisInstance(!windowless);
|
|
#endif
|
|
}
|
|
|
|
void AlloyContentRendererClient::RunSingleProcessCleanupOnUIThread() {
|
|
DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
|
|
|
|
// Clean up the single existing RenderProcessHost.
|
|
content::RenderProcessHost* host = nullptr;
|
|
content::RenderProcessHost::iterator iterator(
|
|
content::RenderProcessHost::AllHostsIterator());
|
|
if (!iterator.IsAtEnd()) {
|
|
host = iterator.GetCurrentValue();
|
|
host->Cleanup();
|
|
iterator.Advance();
|
|
DCHECK(iterator.IsAtEnd());
|
|
}
|
|
DCHECK(host);
|
|
|
|
// Clear the run_renderer_in_process() flag to avoid a DCHECK in the
|
|
// RenderProcessHost destructor.
|
|
content::RenderProcessHost::SetRunRendererInProcess(false);
|
|
|
|
// Deletion of the RenderProcessHost object will stop the render thread and
|
|
// result in a call to WillDestroyCurrentMessageLoop.
|
|
// Cleanup() will cause deletion to be posted as a task on the UI thread but
|
|
// this task will only execute when running in multi-threaded message loop
|
|
// mode (because otherwise the UI message loop has already stopped). Therefore
|
|
// we need to explicitly delete the object when not running in this mode.
|
|
if (!CefContext::Get()->settings().multi_threaded_message_loop) {
|
|
delete host;
|
|
}
|
|
}
|
|
|
|
// Enable deprecation warnings on Windows. See http://crbug.com/585142.
|
|
#if BUILDFLAG(IS_WIN)
|
|
#if defined(__clang__)
|
|
#pragma GCC diagnostic pop
|
|
#else
|
|
#pragma warning(pop)
|
|
#endif
|
|
#endif
|