Replace scoped_ptr with std::unique_ptr in //media/base.

components/audio_modem/audio_player_impl.h

 // Copyright 2015 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 COMPONENTS_AUDIO_MODEM_AUDIO_PLAYER_IMPL_H_
 #define COMPONENTS_AUDIO_MODEM_AUDIO_PLAYER_IMPL_H_
 
 #include <stdint.h>
 
 #include <vector>
 
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/synchronization/lock.h"
 #include "components/audio_modem/audio_player.h"
 #include "media/audio/audio_io.h"
 
 namespace media {
 class AudioBus;
 class AudioBusRefCounted;
 }
 
 namespace audio_modem {
@@ skipping 54 matching lines @@
 
   // Index to the frame in the samples that we need to play next.
   int frame_index_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioPlayerImpl);
 };
 
 }  // namespace audio_modem
 
 #endif  // COMPONENTS_AUDIO_MODEM_AUDIO_PLAYER_IMPL_H_