Replace scoped_ptr with unique_ptr in webrtc/base/

webrtc/base/onetimeevent.h

 /*
  *  Copyright (c) 2016 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_BASE_ONETIMEEVENT_H_
 #define WEBRTC_BASE_ONETIMEEVENT_H_
 
-#include "webrtc/base/scoped_ptr.h"
 #include "webrtc/base/criticalsection.h"
 #include "webrtc/typedefs.h"
 
 namespace webrtc {
 // Provides a simple way to perform an operation (such as logging) one
 // time in a certain scope.
 // Example:
 //   OneTimeEvent firstFrame;
 //   ...
 //   if (firstFrame()) {
@@ skipping 28 matching lines @@
     return true;
   }
 
  private:
   bool happened_ = false;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_BASE_ONETIMEEVENT_H_