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

media/audio/null_audio_sink.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_NULL_AUDIO_SINK_H_
 #define MEDIA_AUDIO_NULL_AUDIO_SINK_H_
 
+#include <memory>
 #include <string>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "media/base/audio_renderer_sink.h"
 
 namespace base {
 class SingleThreadTaskRunner;
 }
 
 namespace media {
 class AudioBus;
 class AudioHash;
 class FakeAudioWorker;
@@ skipping 28 matching lines @@
  private:
   // Task that periodically calls Render() to consume audio data.
   void CallRender();
 
   bool initialized_;
   bool started_;
   bool playing_;
   RenderCallback* callback_;
 
   // Controls whether or not a running hash is computed for audio frames.
-  scoped_ptr<AudioHash> audio_hash_;
+  std::unique_ptr<AudioHash> audio_hash_;
 
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
-  scoped_ptr<FakeAudioWorker> fake_worker_;
-  scoped_ptr<AudioBus> audio_bus_;
+  std::unique_ptr<FakeAudioWorker> fake_worker_;
+  std::unique_ptr<AudioBus> audio_bus_;
 
   DISALLOW_COPY_AND_ASSIGN(NullAudioSink);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_NULL_AUDIO_SINK_H_