Convert //chromecast from scoped_ptr to std::unique_ptr

chromecast/media/cma/backend/media_pipeline_backend_manager.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 CHROMECAST_MEDIA_CMA_BACKEND_MEDIA_PIPELINE_BACKEND_MANAGER_H_
 #define CHROMECAST_MEDIA_CMA_BACKEND_MEDIA_PIPELINE_BACKEND_MANAGER_H_
 
 #include <map>
+#include <memory>
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/single_thread_task_runner.h"
 #include "chromecast/public/media/media_pipeline_backend.h"
 #include "chromecast/public/media/media_pipeline_device_params.h"
 
 namespace chromecast {
 namespace media {
 
 // This class manages created media pipelines, and provides volume control by
 // stream type.
 // All functions in this class should be called on the media thread.
 class MediaPipelineBackendManager {
  public:
   explicit MediaPipelineBackendManager(
       scoped_refptr<base::SingleThreadTaskRunner> media_task_runner);
   ~MediaPipelineBackendManager();
 
   // Create media pipeline backend.
-  scoped_ptr<MediaPipelineBackend> CreateMediaPipelineBackend(
+  std::unique_ptr<MediaPipelineBackend> CreateMediaPipelineBackend(
       const MediaPipelineDeviceParams& params);
 
   // Create media pipeline backend with a specific stream_type.
-  scoped_ptr<MediaPipelineBackend> CreateMediaPipelineBackend(
+  std::unique_ptr<MediaPipelineBackend> CreateMediaPipelineBackend(
       const MediaPipelineDeviceParams& params,
       int stream_type);
 
   // Sets the relative volume for a specified stream type,
   // with range [0.0, 1.0] inclusive. If |multiplier| is outside the
   // range [0.0, 1.0], it is clamped to that range.
   // TODO(tianyuwang): change stream_type to use a enum.
   void SetVolumeMultiplier(int stream_type, float volume);
 
   base::SingleThreadTaskRunner* task_runner() const {
@@ skipping 16 matching lines @@
   // Volume multiplier for each type of audio streams.
   std::map<int, float> volume_by_stream_type_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaPipelineBackendManager);
 };
 
 }  // namespace media
 }  // namespace chromecast
 
 #endif  // CHROMECAST_MEDIA_CMA_BACKEND_MEDIA_PIPELINE_BACKEND_MANAGER_H_