Revert of Pending tasks in a message loop should be deleted before shutting down Blink

content/renderer/render_thread_impl.h

Index: content/renderer/render_thread_impl.h
diff --git a/content/renderer/render_thread_impl.h b/content/renderer/render_thread_impl.h
index 091707f66bba4c23429d458397dfe0f4304ad38c..cb63d0f5f7ff062478e1d2de1a186f8da8bf1f29 100644
--- a/content/renderer/render_thread_impl.h
+++ b/content/renderer/render_thread_impl.h
@@ -120,8 +120,6 @@
   RenderThreadImpl();
   // Constructor that's used when running in single process mode.
   explicit RenderThreadImpl(const std::string& channel_name);
-  // Constructor that's used in RendererMain.
-  explicit RenderThreadImpl(scoped_ptr<base::MessageLoop> main_message_loop);
   virtual ~RenderThreadImpl();
   virtual void Shutdown() OVERRIDE;
 
@@ -532,11 +530,6 @@
   // GpuChannelHostFactory methods.
   scoped_refptr<base::MessageLoopProxy> io_message_loop_proxy_;
 
-  // The message loop of the renderer main thread.
-  // This message loop should be destructed before the RenderThreadImpl
-  // shuts down Blink.
-  scoped_ptr<base::MessageLoop> main_message_loop_;
-
   // A lazily initiated thread on which file operations are run.
   scoped_ptr<base::Thread> file_thread_;