Move blink scheduler implementation into a component

components/scheduler/renderer/webthread_impl_for_renderer_scheduler.h

 // Copyright 2015 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_RENDERER_SCHEDULER_WEBTHREAD_IMPL_FOR_RENDERER_SCHEDULER_H_
-#define CONTENT_RENDERER_SCHEDULER_WEBTHREAD_IMPL_FOR_RENDERER_SCHEDULER_H_
+#ifndef COMPONENTS_SCHEDULER_RENDERER_WEBTHREAD_IMPL_FOR_RENDERER_SCHEDULER_H_
+#define COMPONENTS_SCHEDULER_RENDERER_WEBTHREAD_IMPL_FOR_RENDERER_SCHEDULER_H_
 
 #include "base/containers/scoped_ptr_hash_map.h"
-#include "content/child/webthread_base.h"
+#include "components/scheduler/child/webthread_base.h"
 
 namespace blink {
 class WebScheduler;
 };
 
-namespace content {
-
+namespace scheduler {
 class RendererScheduler;
 class WebSchedulerImpl;
 
-class CONTENT_EXPORT WebThreadImplForRendererScheduler : public WebThreadBase {
+class SCHEDULER_EXPORT WebThreadImplForRendererScheduler
+    : public WebThreadBase {
  public:
   explicit WebThreadImplForRendererScheduler(RendererScheduler* scheduler);
   virtual ~WebThreadImplForRendererScheduler();
 
   // blink::WebThread implementation.
   blink::WebScheduler* scheduler() const;
   blink::PlatformThreadId threadId() const override;
 
   // WebThreadBase implementation.
   base::SingleThreadTaskRunner* TaskRunner() const override;
   SingleThreadIdleTaskRunner* IdleTaskRunner() const override;
 
  private:
   base::MessageLoop* MessageLoop() const override;
   void AddTaskObserverInternal(
       base::MessageLoop::TaskObserver* observer) override;
   void RemoveTaskObserverInternal(
       base::MessageLoop::TaskObserver* observer) override;
 
   scoped_ptr<WebSchedulerImpl> web_scheduler_;
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
   scoped_refptr<SingleThreadIdleTaskRunner> idle_task_runner_;
   RendererScheduler* scheduler_;  // Not owned.
   blink::PlatformThreadId thread_id_;
 };
 
-}  // namespace content
+}  // namespace scheduler
 
-#endif  // CONTENT_RENDERER_SCHEDULER_WEBTHREAD_IMPL_FOR_RENDERER_SCHEDULER_H_
+#endif  // COMPONENTS_SCHEDULER_RENDERER_WEBTHREAD_IMPL_FOR_RENDERER_SCHEDULER_H_