Refactor GPUProcessHost to eliminate redundancy.

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
 // portion of this class, the GpuProcessHost, is responsible for
 // shuttling messages between the browser and GPU processes.
 
 #include "base/callback.h"
 #include "base/scoped_ptr.h"
 #include "base/singleton.h"
 #include "base/threading/non_thread_safe.h"
 #include "chrome/common/gpu_info.h"
 #include "chrome/common/message_router.h"
 #include "ipc/ipc_channel.h"
 #include "gfx/native_widget_types.h"
 
+namespace gfx {
+class Size;
+}
+
+struct GpuHostMsg_AcceleratedSurfaceSetIOSurface_Params;
+struct GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params;
+
 class GpuProcessHostUIShim : public IPC::Channel::Sender,
                              public IPC::Channel::Listener,
                              public base::NonThreadSafe {
  public:
   // Getter for the singleton. This will return NULL on failure.
   static GpuProcessHostUIShim* GetInstance();
 
   int32 GetNextRoutingId();
 
   // IPC::Channel::Sender implementation.
@@ skipping 31 matching lines @@
   }
 
  private:
   friend struct DefaultSingletonTraits<GpuProcessHostUIShim>;
 
   GpuProcessHostUIShim();
   virtual ~GpuProcessHostUIShim();
 
   // Message handlers.
   void OnGraphicsInfoCollected(const GPUInfo& gpu_info);
+  bool OnControlMessageReceived(const IPC::Message& message);
+
+#if defined(OS_LINUX)
+  void OnGetViewXID(gfx::NativeViewId id, IPC::Message* reply_msg);
+  void OnReleaseXID(unsigned long xid);
+  void OnResizeXID(unsigned long xid, gfx::Size size, IPC::Message* reply_msg);
+#elif defined(OS_MACOSX)
+  void OnAcceleratedSurfaceSetIOSurface(
+      const GpuHostMsg_AcceleratedSurfaceSetIOSurface_Params& params);
+  void OnAcceleratedSurfaceBuffersSwapped(
+      const GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params& params);
+#elif defined(OS_WIN)
+  void OnGetCompositorHostWindow(int renderer_id,
+                                 int render_view_id,
+                                 IPC::Message* reply_message);
   void OnScheduleComposite(int32 renderer_id, int32 render_view_id);
-  bool OnControlMessageReceived(const IPC::Message& message);
+#endif
 
   int last_routing_id_;
 
   GPUInfo gpu_info_;
 
   MessageRouter router_;
 
   // Used only in testing. If set, the callback is invoked when the GPU info
   // has been collected.
   scoped_ptr<Callback0::Type> gpu_info_collected_callback_;
 };
 
 #endif  // CHROME_BROWSER_GPU_PROCESS_HOST_UI_SHIM_H_