Refactor WebThreadImpl

content/renderer/scheduler/webthread_impl_for_scheduler.h

Index: content/renderer/scheduler/webthread_impl_for_scheduler.h
diff --git a/content/renderer/scheduler/webthread_impl_for_scheduler.h b/content/renderer/scheduler/webthread_impl_for_scheduler.h
index 17329611052f647f39c6f52dbe826544a0552c31..118963c0dfe2efb649e69918e777b346632a9dbb 100644
--- a/content/renderer/scheduler/webthread_impl_for_scheduler.h
+++ b/content/renderer/scheduler/webthread_impl_for_scheduler.h
@@ -17,22 +17,15 @@ class WebThreadImplForScheduler : public WebThreadBase {
       RendererScheduler* scheduler);
   CONTENT_EXPORT virtual ~WebThreadImplForScheduler();
 
-  virtual void postTask(const blink::WebTraceLocation& location, Task* task);
-  virtual void postDelayedTask(const blink::WebTraceLocation& location,
-                               Task* task,
-                               long long delay_ms);
+  // blink::WebThread implementation.
+  blink::PlatformThreadId threadId() const override;
 
-  // TODO(skyostil): Remove once blink has migrated.
-  virtual void postTask(Task* task);
-  virtual void postDelayedTask(Task* task, long long delay_ms);
-
-  virtual void enterRunLoop() override;
-  virtual void exitRunLoop() override;
-
-  virtual bool isCurrentThread() const override;
-  virtual blink::PlatformThreadId threadId() const override;
+  // WebThreadBase implementation.
+  base::SingleThreadTaskRunner* TaskRunner() const override;
 
  private:
+  base::MessageLoop* MessageLoop() const override;
+
   void AddTaskObserverInternal(
       base::MessageLoop::TaskObserver* observer) override;
   void RemoveTaskObserverInternal(