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

media/audio/cras/cras_unified.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.
 //
 // Creates a unified stream based on the cras (ChromeOS audio server) interface.
 //
 // CrasUnifiedStream object is *not* thread-safe and should only be used
 // from the audio thread.
 
 #ifndef MEDIA_AUDIO_LINUX_CRAS_UNIFIED_H_
 #define MEDIA_AUDIO_LINUX_CRAS_UNIFIED_H_
 
 #include <cras_client.h>
 #include <stddef.h>
 #include <stdint.h>
 
+#include <memory>
+
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "media/audio/audio_io.h"
 #include "media/base/audio_parameters.h"
 
 namespace media {
 
 class AudioManagerCras;
 
 // Implementation of AudioOuputStream for Chrome OS using the Chrome OS audio
@@ skipping 72 matching lines @@
   // Volume level from 0.0 to 1.0.
   float volume_;
 
   // Audio manager that created us.  Used to report that we've been closed.
   AudioManagerCras* manager_;
 
   // Callback to get audio samples.
   AudioSourceCallback* source_callback_;
 
   // Container for exchanging data with AudioSourceCallback::OnMoreData().
-  scoped_ptr<AudioBus> output_bus_;
+  std::unique_ptr<AudioBus> output_bus_;
 
   // Direciton of the stream.
   CRAS_STREAM_DIRECTION stream_direction_;
 
   DISALLOW_COPY_AND_ASSIGN(CrasUnifiedStream);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_LINUX_CRAS_UNIFIED_H_