Added GPU process "echo" IPC message.

webkit/plugins/ppapi/ppb_graphics_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_GRAPHICS_3D_IMPL_H_
 #define WEBKIT_PLUGINS_PPAPI_PPB_GRAPHICS_3D_IMPL_H_
 
 #include "base/memory/scoped_callback_factory.h"
 #include "ppapi/shared_impl/graphics_3d_impl.h"
 #include "ppapi/shared_impl/resource.h"
@@ skipping 65 matching lines @@
   // Notifications sent to plugin.
   void SendContextLost();
 
   // True if context is bound to instance.
   bool bound_to_instance_;
   // True when waiting for compositor to commit our backing texture.
   bool commit_pending_;
   // PluginDelegate's 3D Context. Responsible for providing the command buffer.
   scoped_ptr<PluginDelegate::PlatformContext3D> platform_context_;
   base::ScopedCallbackFactory<PPB_Graphics3D_Impl> callback_factory_;
+  ScopedRunnableMethodFactory<PPB_Graphics3D_Impl> method_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PPB_Graphics3D_Impl);
 };
 
 }  // namespace ppapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_PPAPI_PPB_GRAPHICS_3D_IMPL_H_