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

media/audio/sounds/audio_stream_handler.h

 // Copyright 2013 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_SOUNDS_AUDIO_STREAM_HANDLER_H_
 #define MEDIA_AUDIO_SOUNDS_AUDIO_STREAM_HANDLER_H_
 
 #include <stddef.h>
 
 #include "base/compiler_specific.h"
@@ skipping 51 matching lines @@
   friend class AudioStreamHandlerTest;
   friend class SoundsManagerTest;
 
   class AudioStreamContainer;
 
   static void SetObserverForTesting(TestObserver* observer);
   static void SetAudioSourceForTesting(
       AudioOutputStream::AudioSourceCallback* source);
 
   base::TimeDelta duration_;
-  scoped_ptr<AudioStreamContainer> stream_;
+  std::unique_ptr<AudioStreamContainer> stream_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioStreamHandler);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_SOUNDS_AUDIO_STREAM_HANDLER_H_