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

gpu/command_buffer/service/gles2_cmd_decoder.h

Index: gpu/command_buffer/service/gles2_cmd_decoder.h
===================================================================
--- gpu/command_buffer/service/gles2_cmd_decoder.h	(revision 106500)
+++ gpu/command_buffer/service/gles2_cmd_decoder.h	(working copy)
@@ -90,6 +90,9 @@
   // Make this decoder's GL context current.
   virtual bool MakeCurrent() = 0;
 
+  // Have the decoder release the context.
+  virtual void ReleaseCurrent() = 0;
+
   // Gets the GLES2 Util which holds info.
   virtual GLES2Util* GetGLES2Util() = 0;
 
@@ -107,10 +110,8 @@
   virtual void SetResizeCallback(
       Callback1<gfx::Size>::Type* callback) = 0;
 
-#if defined(OS_MACOSX)
   // Sets a callback which is called when a SwapBuffers command is processed.
   virtual void SetSwapBuffersCallback(Callback0::Type* callback) = 0;
-#endif
 
   virtual void SetStreamTextureManager(StreamTextureManager* manager) = 0;