convert //gpu to std::unique_ptr

gpu/command_buffer/client/transfer_buffer.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_CLIENT_TRANSFER_BUFFER_H_
 #define GPU_COMMAND_BUFFER_CLIENT_TRANSFER_BUFFER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
+#include <memory>
+
 #include "base/compiler_specific.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "gpu/command_buffer/client/ring_buffer.h"
 #include "gpu/command_buffer/common/buffer.h"
 #include "gpu/command_buffer/common/gles2_cmd_utils.h"
 #include "gpu/gpu_export.h"
 
 namespace gpu {
 
 class CommandBufferHelper;
 
 // Interface for managing the transfer buffer.
@@ skipping 66 matching lines @@
   unsigned int GetCurrentMaxAllocationWithoutRealloc() const;
   unsigned int GetMaxAllocation() const;
 
  private:
   // Tries to reallocate the ring buffer if it's not large enough for size.
   void ReallocateRingBuffer(unsigned int size);
 
   void AllocateRingBuffer(unsigned int size);
 
   CommandBufferHelper* helper_;
-  scoped_ptr<RingBuffer> ring_buffer_;
+  std::unique_ptr<RingBuffer> ring_buffer_;
 
   // size reserved for results
   unsigned int result_size_;
 
   // default size. Size we want when starting or re-allocating
   unsigned int default_buffer_size_;
 
   // min size we'll consider successful
   unsigned int min_buffer_size_;
 
@@ skipping 100 matching lines @@
   }
 
   unsigned int num_elements() const {
     return size() / sizeof(T);
   }
 };
 
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_TRANSFER_BUFFER_H_