Replace scoped_ptr with unique_ptr in webrtc/modules/audio_coding/codecs/

webrtc/common_audio/vad/include/vad.h

 /*
  *  Copyright (c) 2014 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_VAD_INCLUDE_VAD_H_
 #define WEBRTC_COMMON_AUDIO_VAD_INCLUDE_VAD_H_
 
+#include <memory>
+
 #include "webrtc/base/checks.h"
-#include "webrtc/base/scoped_ptr.h"
 #include "webrtc/common_audio/vad/include/webrtc_vad.h"
 #include "webrtc/typedefs.h"
 
 namespace webrtc {
 
 class Vad {
  public:
   enum Aggressiveness {
     kVadNormal = 0,
     kVadLowBitrate = 1,
@@ skipping 10 matching lines @@
   // frame is 10, 20, or 30 ms long.
   virtual Activity VoiceActivity(const int16_t* audio,
                                  size_t num_samples,
                                  int sample_rate_hz) = 0;
 
   // Resets VAD state.
   virtual void Reset() = 0;
 };
 
 // Returns a Vad instance that's implemented on top of WebRtcVad.
-rtc::scoped_ptr<Vad> CreateVad(Vad::Aggressiveness aggressiveness);
+std::unique_ptr<Vad> CreateVad(Vad::Aggressiveness aggressiveness);
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_COMMON_AUDIO_VAD_INCLUDE_VAD_H_