WebThreadImplForMessageLoop to use blink scheduler

content/child/webthread_impl.h

 // Copyright 2014 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_CHILD_WEBTHREAD_IMPL_H_
 #define CONTENT_CHILD_WEBTHREAD_IMPL_H_
 
 #include <map>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 39 matching lines @@
   virtual bool isCurrentThread() const override;
   virtual blink::PlatformThreadId threadId() const override;
 
  private:
   scoped_ptr<base::Thread> thread_;
 };
 
 class WebThreadImplForMessageLoop : public WebThreadBase {
  public:
   CONTENT_EXPORT explicit WebThreadImplForMessageLoop(
-      base::MessageLoopProxy* message_loop);
+      scoped_refptr<base::SingleThreadTaskRunner> main_thread_task_runner);
   CONTENT_EXPORT virtual ~WebThreadImplForMessageLoop();
 
   virtual void postTask(Task* task) override;
   virtual void postDelayedTask(Task* task, long long delay_ms) override;
 
   virtual void enterRunLoop() override;
   virtual void exitRunLoop() override;
 
  private:
   virtual bool isCurrentThread() const override;
   virtual blink::PlatformThreadId threadId() const override;
 
-  scoped_refptr<base::MessageLoopProxy> message_loop_;
+  scoped_refptr<base::SingleThreadTaskRunner> main_thread_task_runner_;
   blink::PlatformThreadId thread_id_;
 };
 
 } // namespace content
 
 #endif  // CONTENT_CHILD_WEBTHREAD_IMPL_H_