Added Pepper 3D render context that instantiates the GPU plugin....

gpu/command_buffer/service/command_buffer_service.h

 // Copyright (c) 2009 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 GPU_COMMAND_BUFFER_SERVICE_COMMAND_BUFFER_SERVICE_H_
 #define GPU_COMMAND_BUFFER_SERVICE_COMMAND_BUFFER_SERVICE_H_
 
 #include <set>
 #include <vector>
 
 #include "base/linked_ptr.h"
 #include "base/scoped_ptr.h"
 #include "base/shared_memory.h"
 #include "base/task.h"
 #include "gpu/command_buffer/common/command_buffer.h"
 
 namespace gpu {
 
 // An object that implements a shared memory command buffer and a synchronous
 // API to manage the put and get pointers.
 class CommandBufferService : public CommandBuffer {
  public:
   CommandBufferService();
   virtual ~CommandBufferService();
 
   // CommandBuffer implementation:
-  virtual base::SharedMemory* Initialize(int32 size);
-  virtual base::SharedMemory* GetRingBuffer();
+  virtual bool Initialize(int32 size);
+  virtual Buffer GetRingBuffer();
   virtual int32 GetSize();
   virtual int32 SyncOffsets(int32 put_offset);
   virtual int32 GetGetOffset();
   virtual void SetGetOffset(int32 get_offset);
   virtual int32 GetPutOffset();
   virtual void SetPutOffsetChangeCallback(Callback0::Type* callback);
   virtual int32 CreateTransferBuffer(size_t size);
   virtual void DestroyTransferBuffer(int32 id);
-  virtual base::SharedMemory* GetTransferBuffer(int32 handle);
+  virtual Buffer GetTransferBuffer(int32 handle);
   virtual int32 GetToken();
   virtual void SetToken(int32 token);
   virtual int32 ResetParseError();
   virtual void SetParseError(int32 parse_error);
   virtual bool GetErrorStatus();
   virtual void RaiseErrorStatus();
 
  private:
   scoped_ptr< base::SharedMemory> ring_buffer_;
   int32 size_;
   int32 get_offset_;
   int32 put_offset_;
   scoped_ptr<Callback0::Type> put_offset_change_callback_;
   std::vector<linked_ptr< base::SharedMemory> > registered_objects_;
   std::set<int32> unused_registered_object_elements_;
   int32 token_;
   int32 parse_error_;
   bool error_status_;
 };
 
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_COMMAND_BUFFER_SERVICE_H_