Replace scoped_ptr with unique_ptr in webrtc/modules/audio_processing/vad/

webrtc/modules/audio_processing/vad/pitch_based_vad.h

 /*
  *  Copyright (c) 2012 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_MODULES_AUDIO_PROCESSING_VAD_PITCH_BASED_VAD_H_
 #define WEBRTC_MODULES_AUDIO_PROCESSING_VAD_PITCH_BASED_VAD_H_
 
-#include "webrtc/base/scoped_ptr.h"
+#include <memory>
+
 #include "webrtc/modules/audio_processing/vad/common.h"
 #include "webrtc/modules/audio_processing/vad/gmm.h"
 #include "webrtc/typedefs.h"
 
 namespace webrtc {
 
 class AudioFrame;
 class VadCircularBuffer;
 
 // Computes the probability of the input audio frame to be active given
@@ skipping 18 matching lines @@
 
   // TODO(turajs): maybe defining this at a higher level (maybe enum) so that
   // all the code recognize it as "no-error."
   static const int kNoError = 0;
 
   GmmParameters noise_gmm_;
   GmmParameters voice_gmm_;
 
   double p_prior_;
 
-  rtc::scoped_ptr<VadCircularBuffer> circular_buffer_;
+  std::unique_ptr<VadCircularBuffer> circular_buffer_;
 };
 
 }  // namespace webrtc
 #endif  // WEBRTC_MODULES_AUDIO_PROCESSING_VAD_PITCH_BASED_VAD_H_