Convert //chromecast from scoped_ptr to std::unique_ptr

chromecast/media/cma/backend/media_pipeline_backend_default.h

 // Copyright 2015 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 CHROMECAST_MEDIA_CMA_BACKEND_MEDIA_PIPELINE_BACKEND_DEFAULT_H_
 #define CHROMECAST_MEDIA_CMA_BACKEND_MEDIA_PIPELINE_BACKEND_DEFAULT_H_
 
 #include <stdint.h>
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/time/time.h"
 #include "chromecast/public/media/media_pipeline_backend.h"
 
 namespace chromecast {
 namespace media {
 class AudioDecoderDefault;
 class VideoDecoderDefault;
 
 // Factory that instantiates default (stub) media pipeline device elements.
 class MediaPipelineBackendDefault : public MediaPipelineBackend {
@@ skipping 19 matching lines @@
   bool Resume() override;
   int64_t GetCurrentPts() override;
   bool SetPlaybackRate(float rate) override;
 
  private:
   int64_t start_pts_;
   base::TimeTicks start_clock_;
   bool running_;
   float rate_;
 
-  scoped_ptr<AudioDecoderDefault> audio_decoder_;
-  scoped_ptr<VideoDecoderDefault> video_decoder_;
+  std::unique_ptr<AudioDecoderDefault> audio_decoder_;
+  std::unique_ptr<VideoDecoderDefault> video_decoder_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaPipelineBackendDefault);
 };
 
 }  // namespace media
 }  // namespace chromecast
 
 #endif  // CHROMECAST_MEDIA_CMA_BACKEND_MEDIA_PIPELINE_BACKEND_DEFAULT_H_