Use inner HWND for accelerated rendering on windows

chrome/browser/gpu_process_host_ui_shim.h

 // Copyright (c) 2010 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 CHROME_BROWSER_GPU_PROCESS_HOST_UI_SHIM_H_
 #define CHROME_BROWSER_GPU_PROCESS_HOST_UI_SHIM_H_
 #pragma once
 
 // This class lives on the UI thread and supports classes like the
 // BackingStoreProxy, which must live on the UI thread. The IO thread
@@ skipping 44 matching lines @@
   const GPUInfo& gpu_info() const;
 
  private:
   friend struct DefaultSingletonTraits<GpuProcessHostUIShim>;
 
   GpuProcessHostUIShim();
   virtual ~GpuProcessHostUIShim();
 
   // Message handlers.
   void OnGraphicsInfoCollected(const GPUInfo& gpu_info);
-
+  void OnScheduleComposite(int32 renderer_id, int32 render_view_id);
   void OnControlMessageReceived(const IPC::Message& message);
 
   int last_routing_id_;
 
   GPUInfo gpu_info_;
 
   MessageRouter router_;
 };
 
 #endif  // CHROME_BROWSER_GPU_PROCESS_HOST_UI_SHIM_H_