Revert "Revert 113250 - Add CommandBuffer::SetGetBuffer"

content/common/gpu/gpu_command_buffer_stub.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 CONTENT_COMMON_GPU_GPU_COMMAND_BUFFER_STUB_H_
 #define CONTENT_COMMON_GPU_GPU_COMMAND_BUFFER_STUB_H_
 #pragma once
 
 #if defined(ENABLE_GPU)
 
@@ skipping 72 matching lines @@
 
   gfx::GpuPreference gpu_preference() { return gpu_preference_; }
 
  private:
   void Destroy();
 
   // Cleans up and sends reply if OnInitialize failed.
   void OnInitializeFailed(IPC::Message* reply_message);
 
   // Message handlers:
-  void OnInitialize(base::SharedMemoryHandle ring_buffer,
-                    int32 size,
-                    IPC::Message* reply_message);
+  void OnInitialize(IPC::Message* reply_message);
+  void OnSetGetBuffer(int32 shm_id, IPC::Message* reply_message);
   void OnSetParent(int32 parent_route_id,
                    uint32 parent_texture_id,
                    IPC::Message* reply_message);
   void OnGetState(IPC::Message* reply_message);
   void OnGetStateFast(IPC::Message* reply_message);
   void OnAsyncFlush(int32 put_offset, uint32 flush_count);
   void OnEcho(const IPC::Message& message);
   void OnRescheduled();
   void OnCreateTransferBuffer(int32 size,
                               int32 id_request,
@@ skipping 56 matching lines @@
   // Zero or more video decoders owned by this stub, keyed by their
   // decoder_route_id.
   IDMap<GpuVideoDecodeAccelerator, IDMapOwnPointer> video_decoders_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuCommandBufferStub);
 };
 
 #endif  // defined(ENABLE_GPU)
 
 #endif  // CONTENT_COMMON_GPU_GPU_COMMAND_BUFFER_STUB_H_