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

webrtc/modules/audio_processing/vad/vad_circular_buffer.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_VAD_CIRCULAR_BUFFER_H_
 #define WEBRTC_MODULES_AUDIO_PROCESSING_VAD_VAD_CIRCULAR_BUFFER_H_
 
-#include "webrtc/base/scoped_ptr.h"
+#include <memory>
 
 namespace webrtc {
 
 // A circular buffer tailored to the need of this project. It stores last
 // K samples of the input, and keeps track of the mean of the last samples.
 //
 // It is used in class "PitchBasedActivity" to keep track of posterior
 // probabilities in the past few seconds. The posterior probabilities are used
 // to recursively update prior probabilities.
 class VadCircularBuffer {
@@ skipping 26 matching lines @@
   int Get(int index, double* value) const;
   // Set a given position to |value|. |index| is interpreted as above.
   int Set(int index, double value);
   // Return the number of valid elements in the buffer.
   int BufferLevel();
 
   // Convert an index with the interpretation as get() method to the
   // corresponding linear index.
   int ConvertToLinearIndex(int* index) const;
 
-  rtc::scoped_ptr<double[]> buffer_;
+  std::unique_ptr<double[]> buffer_;
   bool is_full_;
   int index_;
   int buffer_size_;
   double sum_;
 };
 
 }  // namespace webrtc
 #endif  // WEBRTC_MODULES_AUDIO_PROCESSING_VAD_VAD_CIRCULAR_BUFFER_H_