Initialize TaskScheduler in renderers.

content/public/renderer/content_renderer_client.h

 // Copyright (c) 2012 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 CONTENT_PUBLIC_RENDERER_CONTENT_RENDERER_CLIENT_H_
 #define CONTENT_PUBLIC_RENDERER_CONTENT_RENDERER_CLIENT_H_
 
 #include <stddef.h>
 
 #include <map>
 #include <memory>
 #include <string>
 #include <vector>
 
-#include "base/bind.h"
+#include "base/callback_forward.h"
 #include "base/memory/ref_counted.h"
 #include "base/strings/string16.h"
+#include "base/task_scheduler/task_scheduler.h"
 #include "build/build_config.h"
 #include "content/public/common/content_client.h"
 #include "third_party/WebKit/public/platform/WebPageVisibilityState.h"
 #include "third_party/WebKit/public/web/WebNavigationPolicy.h"
 #include "third_party/WebKit/public/web/WebNavigationType.h"
 #include "ui/base/page_transition_types.h"
 #include "v8/include/v8.h"
 
 class GURL;
 class SkBitmap;
 
 namespace base {
 class FilePath;
+class SchedulerWorkerPoolParams;
 class SingleThreadTaskRunner;
 }
 
 namespace blink {
 class WebAudioDevice;
 class WebClipboard;
 class WebFrame;
 class WebLocalFrame;
 class WebMIDIAccessor;
 class WebMIDIAccessorClient;
@@ skipping 323 matching lines @@
       v8::Local<v8::Context> context) {}
 
   // Allows the client to expose interfaces from the renderer process to the
   // browser process via |registry|.
   virtual void ExposeInterfacesToBrowser(
       service_manager::InterfaceRegistry* interface_registry) {}
 
   // Overwrites the given URL to use an HTML5 embed if possible.
   // An empty URL is returned if the URL is not overriden.
   virtual GURL OverrideFlashEmbedWithHTML(const GURL& url);
+
+  // Provides parameters for initializing the global task scheduler. If
+  // |params_vector| is left empty, default parameters are used.
+  virtual void GetTaskSchedulerInitializationParams(
+      std::vector<base::SchedulerWorkerPoolParams>* params_vector,
+      base::TaskScheduler::WorkerPoolIndexForTraitsCallback*
+          index_to_traits_callback) {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_RENDERER_CONTENT_RENDERER_CLIENT_H_