Cleanup IPC::ChannelProxy to use SingleThreadTaskRunner

content/public/renderer/render_thread.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_RENDER_THREAD_H_
 #define CONTENT_PUBLIC_RENDERER_RENDER_THREAD_H_
 
 #include "base/basictypes.h"
 #include "base/shared_memory.h"
 #include "content/common/content_export.h"
 #include "ipc/ipc_channel_proxy.h"
 #include "ipc/ipc_sender.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
 class MessageLoop;
 
+namespace base {
+class MessageLoopProxy;
+}  // namespace base
+
 namespace IPC {
 class SyncChannel;
 class SyncMessageFilter;
-}
+}  // namespace IPC

[jam, 2012/07/01 22:19:41]

nit: no need to add this here and below. we add the comment when there's enough
space between the beginning and end. for small forward declarations like this,
it's very obvious to see

[Sergey Ulanov, 2012/07/02 18:44:34]

Done.

 
 namespace v8 {
 class Extension;
-}
+}  // namespace IPC
 
 namespace content {
 
 class RenderProcessObserver;
 class ResourceDispatcherDelegate;
 
 class CONTENT_EXPORT RenderThread : public IPC::Sender {
  public:
   // Returns the one render thread for this process.  Note that this can only
   // be accessed when running on the render thread itself.
@@ skipping 68 matching lines @@
   virtual void PreCacheFont(const LOGFONT& log_font) = 0;
 
   // Release cached font.
   virtual void ReleaseCachedFonts() = 0;
 #endif
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_RENDERER_RENDER_THREAD_H_