Make context groups share a TextureBufferManager

gpu/command_buffer/service/command_buffer_service.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 GPU_COMMAND_BUFFER_SERVICE_COMMAND_BUFFER_SERVICE_H_
 #define GPU_COMMAND_BUFFER_SERVICE_COMMAND_BUFFER_SERVICE_H_
 
 #include "base/callback.h"
-#include "base/memory/linked_ptr.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/shared_memory.h"
 #include "gpu/command_buffer/common/command_buffer.h"
 #include "gpu/command_buffer/common/command_buffer_shared.h"
 
 namespace gpu {
 
 class TransferBufferManagerInterface;
 
 // An object that implements a shared memory command buffer and a synchronous
 // API to manage the put and get pointers.
 class GPU_EXPORT CommandBufferService : public CommandBuffer {
  public:
   typedef base::Callback<bool(int32)> GetBufferChangedCallback;
-  CommandBufferService();
+  explicit CommandBufferService(
+      TransferBufferManagerInterface* transfer_buffer_manager);
   virtual ~CommandBufferService();
 
   // CommandBuffer implementation:
   virtual bool Initialize() OVERRIDE;
   virtual State GetState() OVERRIDE;
   virtual State GetLastState() OVERRIDE;
   virtual void Flush(int32 put_offset) OVERRIDE;
   virtual State FlushSync(int32 put_offset, int32 last_known_get) OVERRIDE;
   virtual void SetGetBuffer(int32 transfer_buffer_id) OVERRIDE;
   virtual void SetGetOffset(int32 get_offset) OVERRIDE;
@@ skipping 30 matching lines @@
  private:
   int32 ring_buffer_id_;
   Buffer ring_buffer_;
   CommandBufferSharedState* shared_state_;
   int32 num_entries_;
   int32 get_offset_;
   int32 put_offset_;
   base::Closure put_offset_change_callback_;
   GetBufferChangedCallback get_buffer_change_callback_;
   base::Closure parse_error_callback_;
-  scoped_ptr<TransferBufferManagerInterface> transfer_buffer_manager_;
+  TransferBufferManagerInterface* transfer_buffer_manager_;
   int32 token_;
   uint32 generation_;
   error::Error error_;
   error::ContextLostReason context_lost_reason_;
+
+  DISALLOW_COPY_AND_ASSIGN(CommandBufferService);
 };
 
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_COMMAND_BUFFER_SERVICE_H_