Replaced CriticalSectionWrapper with rtc::CriticalSection in rtp_rtcp module

webrtc/modules/rtp_rtcp/source/bitrate.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_RTP_RTCP_SOURCE_BITRATE_H_
 #define WEBRTC_MODULES_RTP_RTCP_SOURCE_BITRATE_H_
 
 #include <stdio.h>
 
 #include <list>
 
-#include "webrtc/base/scoped_ptr.h"
+#include "webrtc/base/criticalsection.h"
 #include "webrtc/common_types.h"
 #include "webrtc/modules/rtp_rtcp/source/rtp_rtcp_config.h"
 #include "webrtc/typedefs.h"
 
 namespace webrtc {
 
 class Clock;
-class CriticalSectionWrapper;
 
 class Bitrate {
  public:
   class Observer;
   Bitrate(Clock* clock, Observer* observer);
   virtual ~Bitrate();
 
   // Calculates rates.
   void Process();
 
@@ skipping 16 matching lines @@
     Observer() {}
     virtual ~Observer() {}
 
     virtual void BitrateUpdated(const BitrateStatistics& stats) = 0;
   };
 
  protected:
   Clock* clock_;
 
  private:
-  rtc::scoped_ptr<CriticalSectionWrapper> crit_;
+  rtc::CriticalSection crit_;
   uint32_t packet_rate_;
   uint32_t bitrate_;
   uint8_t bitrate_next_idx_;
   int64_t packet_rate_array_[10];
   int64_t bitrate_array_[10];
   int64_t bitrate_diff_ms_[10];
   int64_t time_last_rate_update_;
   size_t bytes_count_;
   uint32_t packet_count_;
   Observer* const observer_;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_RTP_RTCP_SOURCE_BITRATE_H_