Use shared D3D9 texture to transport the compositor's backing buffer to the browser...

content/browser/gpu/gpu_process_host_ui_shim.h

 // Copyright (c) 2011 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_BROWSER_GPU_GPU_PROCESS_HOST_UI_SHIM_H_
 #define CONTENT_BROWSER_GPU_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 58 matching lines @@
 
   // IPC::Channel::Sender implementation.
   virtual bool Send(IPC::Message* msg);
 
   // IPC::Channel::Listener implementation.
   // The GpuProcessHost causes this to be called on the UI thread to
   // dispatch the incoming messages from the GPU process, which are
   // actually received on the IO thread.
   virtual bool OnMessageReceived(const IPC::Message& message);
 
-#if defined(OS_MACOSX) || defined(UI_COMPOSITOR_IMAGE_TRANSPORT)
-  // TODO(apatrick): Remove this when mac does not use AcceleratedSurfaces for
-  // when running the GPU thread in the browser process.
-  // This is now also used in TOUCH_UI builds.
   static void SendToGpuHost(int host_id, IPC::Message* msg);
-#endif
 
  private:
   explicit GpuProcessHostUIShim(int host_id);
   virtual ~GpuProcessHostUIShim();
 
   // Message handlers.
   bool OnControlMessageReceived(const IPC::Message& message);
 
   void OnLogMessage(int level, const std::string& header,
       const std::string& message);
 #if defined(TOOLKIT_USES_GTK) && !defined(UI_COMPOSITOR_IMAGE_TRANSPORT) || \
     defined(OS_WIN)
   void OnResizeView(int32 renderer_id,
                     int32 render_view_id,
-                    int32 command_buffer_route_id,
+                    int32 route_id,
                     gfx::Size size);
 #endif
 
+  void OnAcceleratedSurfaceBuffersSwapped(
+      const GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params& params);
+
 #if defined(OS_MACOSX) || defined(UI_COMPOSITOR_IMAGE_TRANSPORT)
   void OnAcceleratedSurfaceNew(
       const GpuHostMsg_AcceleratedSurfaceNew_Params& params);
-  void OnAcceleratedSurfaceBuffersSwapped(
-      const GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params& params);
 #endif
 
 #if defined(UI_COMPOSITOR_IMAGE_TRANSPORT)
   void OnAcceleratedSurfaceRelease(
       const GpuHostMsg_AcceleratedSurfaceRelease_Params& params);
 #endif
 
   // The serial number of the GpuProcessHost / GpuProcessHostUIShim pair.
   int host_id_;
 };
 
 #endif  // CONTENT_BROWSER_GPU_GPU_PROCESS_HOST_UI_SHIM_H_