Convert //chromecast from scoped_ptr to std::unique_ptr

chromecast/browser/media/cast_renderer.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.
 
 #include "chromecast/browser/media/media_pipeline_backend_factory.h"
 #include "media/base/renderer.h"
 
 namespace base {
 class SingleThreadTaskRunner;
 }  // namespace base
@@ skipping 33 matching lines @@
   bool HasAudio() final;
   bool HasVideo() final;
 
  private:
   enum Stream { STREAM_AUDIO, STREAM_VIDEO };
   void OnEos(Stream stream);
 
   const CreateMediaPipelineBackendCB create_backend_cb_;
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
   scoped_refptr<BalancedMediaTaskRunnerFactory> media_task_runner_factory_;
-  scoped_ptr<TaskRunnerImpl> backend_task_runner_;
-  scoped_ptr<MediaPipelineImpl> pipeline_;
+  std::unique_ptr<TaskRunnerImpl> backend_task_runner_;
+  std::unique_ptr<MediaPipelineImpl> pipeline_;
   bool eos_[2];
   base::Closure ended_cb_;
   DISALLOW_COPY_AND_ASSIGN(CastRenderer);
 };
 
 }  // namespace media
 }  // namespace chromecast