convert //gpu to std::unique_ptr

gpu/command_buffer/client/mapped_memory.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_MAPPED_MEMORY_H_
 #define GPU_COMMAND_BUFFER_CLIENT_MAPPED_MEMORY_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
+#include <memory>
+
 #include "base/bind.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/trace_event/memory_dump_provider.h"
 #include "gpu/command_buffer/client/fenced_allocator.h"
 #include "gpu/command_buffer/common/buffer.h"
 #include "gpu/gpu_export.h"
 
 namespace gpu {
 
 class CommandBufferHelper;
 
 // Manages a shared memory segment.
@@ skipping 170 matching lines @@
     }
     return bytes_in_use;
   }
 
   // Used for testing
   size_t allocated_memory() const {
     return allocated_memory_;
   }
 
  private:
-  typedef std::vector<scoped_ptr<MemoryChunk>> MemoryChunkVector;
+  typedef std::vector<std::unique_ptr<MemoryChunk>> MemoryChunkVector;
 
   // size a chunk is rounded up to.
   unsigned int chunk_size_multiple_;
   CommandBufferHelper* helper_;
   MemoryChunkVector chunks_;
   size_t allocated_memory_;
   size_t max_free_bytes_;
   size_t max_allocated_bytes_;
   // A process-unique ID used for disambiguating memory dumps from different
   // mapped memory manager.
@@ skipping 58 matching lines @@
   uint32_t shm_offset_;
   bool flush_after_release_;
   CommandBufferHelper* helper_;
   MappedMemoryManager* mapped_memory_manager_;
   DISALLOW_COPY_AND_ASSIGN(ScopedMappedMemoryPtr);
 };
 
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_MAPPED_MEMORY_H_