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

media/audio/win/audio_manager_win.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_WIN_AUDIO_MANAGER_WIN_H_
 #define MEDIA_AUDIO_WIN_AUDIO_MANAGER_WIN_H_
 
+#include <memory>
 #include <string>
 
 #include "base/macros.h"
 #include "media/audio/audio_manager_base.h"
 
 namespace media {
 
 class AudioDeviceListenerWin;
 
 // Windows implementation of the AudioManager singleton. This class is internal
@@ skipping 67 matching lines @@
       const AudioParameters& params,
       const std::string& device_id);
 
   // Helper methods for performing expensive initialization tasks on the audio
   // thread instead of on the UI thread which AudioManager is constructed on.
   void InitializeOnAudioThread();
 
   void GetAudioDeviceNamesImpl(bool input, AudioDeviceNames* device_names);
 
   // Listen for output device changes.
-  scoped_ptr<AudioDeviceListenerWin> output_device_listener_;
+  std::unique_ptr<AudioDeviceListenerWin> output_device_listener_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioManagerWin);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_WIN_AUDIO_MANAGER_WIN_H_