Remove ALL usage of CriticalSectionWrapper.

webrtc/modules/audio_device/mac/audio_mixer_manager_mac.h

 /*
  *  Copyright (c) 2011 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_AUDIO_DEVICE_AUDIO_MIXER_MANAGER_MAC_H
 #define WEBRTC_AUDIO_DEVICE_AUDIO_MIXER_MANAGER_MAC_H
 
+#include "webrtc/base/criticalsection.h"
 #include "webrtc/modules/audio_device/include/audio_device.h"
-#include "webrtc/system_wrappers/include/critical_section_wrapper.h"
+#include "webrtc/system_wrappers/include/trace.h"
 #include "webrtc/typedefs.h"
 
 #include <CoreAudio/CoreAudio.h>
 
 namespace webrtc {
 
 class AudioMixerManagerMac {
  public:
   int32_t OpenSpeaker(AudioDeviceID deviceID);
   int32_t OpenMicrophone(AudioDeviceID deviceID);
@@ skipping 31 matching lines @@
   ~AudioMixerManagerMac();
 
  private:
   static void logCAMsg(const TraceLevel level,
                        const TraceModule module,
                        const int32_t id,
                        const char* msg,
                        const char* err);
 
  private:
-  CriticalSectionWrapper& _critSect;
+  rtc::CriticalSection _critSect;
   int32_t _id;
 
   AudioDeviceID _inputDeviceID;
   AudioDeviceID _outputDeviceID;
 
   uint16_t _noInputChannels;
   uint16_t _noOutputChannels;
 };
 
 }  // namespace webrtc
 
 #endif  // AUDIO_MIXER_MAC_H