Convert //media/audio from scoped_ptr to std::unique_ptr

media/audio/fake_audio_output_stream.h

 // Copyright (c) 2012 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 MEDIA_AUDIO_FAKE_AUDIO_OUTPUT_STREAM_H_
 #define MEDIA_AUDIO_FAKE_AUDIO_OUTPUT_STREAM_H_
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "media/audio/audio_io.h"
 #include "media/audio/audio_parameters.h"
 #include "media/audio/fake_audio_worker.h"
 
 namespace media {
 
 class AudioManagerBase;
 
 // A fake implementation of AudioOutputStream.  Used for testing and when a real
 // audio output device is unavailable or refusing output (e.g. remote desktop).
@@ skipping 15 matching lines @@
   FakeAudioOutputStream(AudioManagerBase* manager,
                         const AudioParameters& params);
   ~FakeAudioOutputStream() override;
 
   // Task that periodically calls OnMoreData() to consume audio data.
   void CallOnMoreData();
 
   AudioManagerBase* audio_manager_;
   AudioSourceCallback* callback_;
   FakeAudioWorker fake_worker_;
-  scoped_ptr<AudioBus> audio_bus_;
+  std::unique_ptr<AudioBus> audio_bus_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeAudioOutputStream);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_FAKE_AUDIO_OUTPUT_STREAM_H_