Enable sync allocation of GpuMemoryBuffers from the browser process.

content/browser/gpu/browser_gpu_channel_host_factory.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_BROWSER_GPU_BROWSER_GPU_CHANNEL_HOST_FACTORY_H_
 #define CONTENT_BROWSER_GPU_BROWSER_GPU_CHANNEL_HOST_FACTORY_H_
 
 #include <vector>
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/common/gpu/client/gpu_channel_host.h"
 #include "content/common/gpu/client/gpu_memory_buffer_factory_host.h"
 #include "ipc/message_filter.h"
 
 namespace content {
+class GpuMemoryBufferImpl;
 
 class CONTENT_EXPORT BrowserGpuChannelHostFactory
     : public GpuChannelHostFactory,
       public GpuMemoryBufferFactoryHost {
  public:
   static void Initialize(bool establish_gpu_channel);
   static void Terminate();
   static BrowserGpuChannelHostFactory* instance() { return instance_; }
 
   // GpuChannelHostFactory implementation.
@@ skipping 57 matching lines @@
       int32 surface_id,
       const GPUCreateCommandBufferConfig& init_params);
   static void CommandBufferCreatedOnIO(CreateRequest* request,
                                        CreateCommandBufferResult result);
   static void AddFilterOnIO(int gpu_host_id,
                             scoped_refptr<IPC::MessageFilter> filter);
   static void AllocateGpuMemoryBufferOnIO(
       AllocateGpuMemoryBufferRequest* request);
   static void DeleteGpuMemoryBufferOnIO(
       scoped_ptr<gfx::GpuMemoryBuffer> buffer);
+  static void GpuMemoryBufferImplCreatedOnIO(
+      AllocateGpuMemoryBufferRequest* request,
+      scoped_ptr<GpuMemoryBufferImpl> buffer);
   void OnGpuMemoryBufferCreated(uint32 request_id,
                                 const gfx::GpuMemoryBufferHandle& handle);
 
   const int gpu_client_id_;
   scoped_ptr<base::WaitableEvent> shutdown_event_;
   scoped_refptr<GpuChannelHost> gpu_channel_;
   int gpu_host_id_;
   scoped_refptr<EstablishRequest> pending_request_;
   std::vector<base::Closure> established_callbacks_;
   uint32 next_create_gpu_memory_buffer_request_id_;
   typedef std::map<uint32, CreateGpuMemoryBufferCallback>
       CreateGpuMemoryBufferCallbackMap;
   CreateGpuMemoryBufferCallbackMap create_gpu_memory_buffer_requests_;
 
   static BrowserGpuChannelHostFactory* instance_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserGpuChannelHostFactory);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_GPU_BROWSER_GPU_CHANNEL_HOST_FACTORY_H_