Route IPC through browser when creating a viewable command buffer.

chrome/browser/gpu_process_host_ui_shim.h

Index: chrome/browser/gpu_process_host_ui_shim.h
diff --git a/chrome/browser/gpu_process_host_ui_shim.h b/chrome/browser/gpu_process_host_ui_shim.h
index f070ed169c4238f6ef8cc905ac0fd1e436ead2a4..6898a3d66fa6bbc803965586f6745235eb001b58 100644
--- a/chrome/browser/gpu_process_host_ui_shim.h
+++ b/chrome/browser/gpu_process_host_ui_shim.h
@@ -77,12 +77,12 @@ class GpuProcessHostUIShim : public IPC::Channel::Sender,
   virtual ~GpuProcessHostUIShim();
 
   // Message handlers.
+  void OnDestroyCommandBuffer(gfx::PluginWindowHandle window,
+                              int32 renderer_id, int32 render_view_id);
   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(
@@ -90,9 +90,6 @@ class GpuProcessHostUIShim : public IPC::Channel::Sender,
   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);
 #endif