Convert //chromecast from scoped_ptr to std::unique_ptr

chromecast/media/audio/cast_audio_output_stream.cc

 // 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.
 
 #include "chromecast/media/audio/cast_audio_output_stream.h"
 
 #include <stdint.h>
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
@@ skipping 167 matching lines @@
                           uint32_t system_code) override {}
 
   void OnVideoResolutionChanged(const Size& size) override {}
 
   base::WeakPtr<CastAudioOutputStream::Backend> GetWeakPtr() {
     return weak_factory_.GetWeakPtr();
   }
 
  private:
   const ::media::AudioParameters audio_params_;
-  scoped_ptr<MediaPipelineBackend> backend_;
-  scoped_ptr<TaskRunnerImpl> backend_task_runner_;
+  std::unique_ptr<MediaPipelineBackend> backend_;
+  std::unique_ptr<TaskRunnerImpl> backend_task_runner_;
   MediaPipelineBackend::AudioDecoder* decoder_;
   PushBufferCompletionCallback completion_cb_;
   bool first_start_;
   bool error_;
   scoped_refptr<DecoderBufferBase> backend_buffer_;
   base::ThreadChecker thread_checker_;
   base::WeakPtrFactory<CastAudioOutputStream::Backend> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(Backend);
 };
@@ skipping 178 matching lines @@
   audio_task_runner_->PostDelayedTask(
       FROM_HERE,
       base::Bind(&CastAudioOutputStream::PushBuffer,
                  weak_factory_.GetWeakPtr()),
       delay);
   push_in_progress_ = true;
 }
 
 }  // namespace media
 }  // namespace chromecast