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

webrtc/modules/audio_processing/transient/wpd_node.h

 /*
  *  Copyright (c) 2013 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_TRANSIENT_WPD_NODE_H_
 #define WEBRTC_MODULES_AUDIO_PROCESSING_TRANSIENT_WPD_NODE_H_
 
-#include "webrtc/base/scoped_ptr.h"
+#include <memory>
+
 #include "webrtc/typedefs.h"
 
 namespace webrtc {
 
 class FIRFilter;
 
 // A single node of a Wavelet Packet Decomposition (WPD) tree.
 class WPDNode {
  public:
   // Creates a WPDNode. The data vector will contain zeros. The filter will have
   // the coefficients provided.
   WPDNode(size_t length, const float* coefficients, size_t coefficients_length);
   ~WPDNode();
 
   // Updates the node data. |parent_data| / 2 must be equals to |length_|.
   // Returns 0 if correct, and -1 otherwise.
   int Update(const float* parent_data, size_t parent_data_length);
 
   const float* data() const { return data_.get(); }
   // Returns 0 if correct, and -1 otherwise.
   int set_data(const float* new_data, size_t length);
   size_t length() const { return length_; }
 
  private:
-  rtc::scoped_ptr<float[]> data_;
+  std::unique_ptr<float[]> data_;
   size_t length_;
-  rtc::scoped_ptr<FIRFilter> filter_;
+  std::unique_ptr<FIRFilter> filter_;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_AUDIO_PROCESSING_TRANSIENT_WPD_NODE_H_