Add multi-process GpuMemoryBuffer framework.

content/renderer/render_thread_impl.h

 // Copyright (c) 2012 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 CONTENT_RENDERER_RENDER_THREAD_IMPL_H_
 #define CONTENT_RENDERER_RENDER_THREAD_IMPL_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 346 matching lines @@
   virtual scoped_ptr<base::SharedMemory> AllocateSharedMemory(
       size_t size) OVERRIDE;
   virtual int32 CreateViewCommandBuffer(
       int32 surface_id,
       const GPUCreateCommandBufferConfig& init_params) OVERRIDE;
   virtual void CreateImage(
       gfx::PluginWindowHandle window,
       int32 image_id,
       const CreateImageCallback& callback) OVERRIDE;
   virtual void DeleteImage(int32 image_id, int32 sync_point) OVERRIDE;
+  virtual scoped_ptr<gfx::GpuMemoryBuffer> AllocateGpuMemoryBuffer(
+      size_t width,
+      size_t height,
+      unsigned internalformat) OVERRIDE;
 
   void Init();
 
   void OnSetZoomLevelForCurrentURL(const std::string& scheme,
                                    const std::string& host,
                                    double zoom_level);
   void OnCreateNewView(const ViewMsg_New_Params& params);
   void OnTransferBitmap(const SkBitmap& bitmap, int resource_id);
   void OnPurgePluginListCache(bool reload_pages);
   void OnNetworkStateChanged(bool online);
@@ skipping 113 matching lines @@
   scoped_ptr<GamepadSharedMemoryReader> gamepad_shared_memory_reader_;
 
   base::ProcessId renderer_process_id_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderThreadImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_THREAD_IMPL_H_