convert //gpu to std::unique_ptr

content/common/gpu/media/rendering_helper.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 CONTENT_COMMON_GPU_MEDIA_RENDERING_HELPER_H_
 #define CONTENT_COMMON_GPU_MEDIA_RENDERING_HELPER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <map>
+#include <memory>
 #include <queue>
 #include <vector>
 
 #include "base/cancelable_callback.h"
 #include "base/macros.h"
 #include "base/time/time.h"
 #include "build/build_config.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/size.h"
 #include "ui/gl/gl_bindings.h"
@@ skipping 198 matching lines @@
   base::CancelableClosure render_task_;
   base::TimeTicks vsync_timebase_;
   base::TimeDelta vsync_interval_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderingHelper);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_MEDIA_RENDERING_HELPER_H_