convert //gpu to std::unique_ptr

content/public/gpu/gpu_video_decode_accelerator_factory.h

 // Copyright 2016 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_PUBLIC_GPU_GPU_VIDEO_DECODE_ACCELERATOR_FACTORY_H_
 #define CONTENT_PUBLIC_GPU_GPU_VIDEO_DECODE_ACCELERATOR_FACTORY_H_
 
+#include <memory>
+
 #include "base/callback.h"
 #include "base/memory/weak_ptr.h"
 #include "content/common/content_export.h"
 #include "gpu/config/gpu_info.h"
 #include "media/video/video_decode_accelerator.h"
 
 namespace gfx {
 class GLContext;
 }
 
@@ skipping 67 matching lines @@
   // GpuVideoDecodeAcceleratorFactory, see crbug.com/597150 and related.
   GpuVideoDecodeAcceleratorFactory(
       std::unique_ptr<GpuVideoDecodeAcceleratorFactoryImpl> gvdafactory_impl);
 
   std::unique_ptr<GpuVideoDecodeAcceleratorFactoryImpl> gvdafactory_impl_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_GPU_GPU_VIDEO_DECODE_ACCELERATOR_FACTORY_H_