Replace scoped_ptr with unique_ptr everywhere

webrtc/system_wrappers/include/clock.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_SYSTEM_WRAPPERS_INCLUDE_CLOCK_H_
 #define WEBRTC_SYSTEM_WRAPPERS_INCLUDE_CLOCK_H_
 
+#include <memory>
+
 #include "webrtc/base/scoped_ptr.h"
 #include "webrtc/system_wrappers/include/rw_lock_wrapper.h"
 #include "webrtc/typedefs.h"
 
 namespace webrtc {
 
 // January 1970, in NTP seconds.
 const uint32_t kNtpJan1970 = 2208988800UL;
 
 // Magic NTP fractional unit.
@@ skipping 45 matching lines @@
   // Converts an NTP timestamp to a millisecond timestamp.
   int64_t CurrentNtpInMilliseconds() const override;
 
   // Advance the simulated clock with a given number of milliseconds or
   // microseconds.
   void AdvanceTimeMilliseconds(int64_t milliseconds);
   void AdvanceTimeMicroseconds(int64_t microseconds);
 
  private:
   int64_t time_us_;
-  rtc::scoped_ptr<RWLockWrapper> lock_;
+  std::unique_ptr<RWLockWrapper> lock_;
 };
 
 };  // namespace webrtc
 
 #endif  // WEBRTC_SYSTEM_WRAPPERS_INCLUDE_CLOCK_H_