Replace scoped_ptr with unique_ptr everywhere

webrtc/common_audio/audio_ring_buffer.h

 /*
  *  Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 #ifndef WEBRTC_COMMON_AUDIO_AUDIO_RING_BUFFER_H_
 #define WEBRTC_COMMON_AUDIO_AUDIO_RING_BUFFER_H_
 
 #include <stddef.h>
+
+#include <memory>
 #include <vector>
 
 struct RingBuffer;
 
 namespace webrtc {
 
 // A ring buffer tailored for float deinterleaved audio. Any operation that
 // cannot be performed as requested will cause a crash (e.g. insufficient data
 // in the buffer to fulfill a read request.)
 class AudioRingBuffer final {
@@ skipping 22 matching lines @@
   void MoveReadPositionBackward(size_t frames);
 
  private:
   // TODO(kwiberg): Use std::vector<std::unique_ptr<RingBuffer>> instead.
   std::vector<RingBuffer*> buffers_;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_COMMON_AUDIO_AUDIO_RING_BUFFER_H_