Added GPU process "echo" IPC message.

webkit/plugins/ppapi/ppb_surface_3d_impl.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 WEBKIT_PLUGINS_PPAPI_PPB_SURFACE_3D_IMPL_H_
 #define WEBKIT_PLUGINS_PPAPI_PPB_SURFACE_3D_IMPL_H_
 
 #include "base/memory/ref_counted.h"
+#include "base/task.h"
 #include "ppapi/shared_impl/resource.h"
 #include "ppapi/thunk/ppb_surface_3d_api.h"
 #include "webkit/plugins/ppapi/callbacks.h"
 #include "webkit/plugins/ppapi/plugin_delegate.h"
 
 namespace gfx {
 class Size;
 }
 
 namespace webkit {
@@ skipping 49 matching lines @@
 
   bool bound_to_instance_;
 
   // True when the page's SwapBuffers has been issued but not returned yet.
   bool swap_initiated_;
   scoped_refptr<TrackedCompletionCallback> swap_callback_;
 
   // The context this surface is currently bound to.
   PPB_Context3D_Impl* context_;
 
+  ScopedRunnableMethodFactory<PPB_Surface3D_Impl> method_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(PPB_Surface3D_Impl);
 };
 
 }  // namespace ppapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_PPAPI_PPB_SURFACE_3D_IMPL_H_