convert //gpu to std::unique_ptr

gpu/command_buffer/service/vertex_array_manager.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_VERTEX_ARRAY_MANAGER_H_
 #define GPU_COMMAND_BUFFER_SERVICE_VERTEX_ARRAY_MANAGER_H_
 
 #include <stdint.h>
 
 #include "base/containers/hash_tables.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
 #include "gpu/command_buffer/service/gl_utils.h"
 #include "gpu/gpu_export.h"
 
 namespace gpu {
 namespace gles2 {
 
 class VertexAttribManager;
 
 // This class keeps track of the vertex arrays and their sizes so we can do
 // bounds checking.
@@ skipping 42 matching lines @@
 
   bool have_context_;
 
   DISALLOW_COPY_AND_ASSIGN(VertexArrayManager);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_VERTEX_ARRAY_MANAGER_H_