Remove ALL usage of CriticalSectionWrapper.

webrtc/modules/video_capture/linux/video_capture_linux.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_VIDEO_CAPTURE_MAIN_SOURCE_LINUX_VIDEO_CAPTURE_LINUX_H_
 #define WEBRTC_MODULES_VIDEO_CAPTURE_MAIN_SOURCE_LINUX_VIDEO_CAPTURE_LINUX_H_
 
 #include <memory>
 
+#include "webrtc/base/criticalsection.h"
 #include "webrtc/base/platform_thread.h"
 #include "webrtc/common_types.h"
 #include "webrtc/modules/video_capture/video_capture_impl.h"
 
 namespace webrtc
 {
-class CriticalSectionWrapper;
 namespace videocapturemodule
 {
 class VideoCaptureModuleV4L2: public VideoCaptureImpl
 {
 public:
     VideoCaptureModuleV4L2();
     virtual ~VideoCaptureModuleV4L2();
     virtual int32_t Init(const char* deviceUniqueId);
     virtual int32_t StartCapture(const VideoCaptureCapability& capability);
     virtual int32_t StopCapture();
     virtual bool CaptureStarted();
     virtual int32_t CaptureSettings(VideoCaptureCapability& settings);
 
 private:
     enum {kNoOfV4L2Bufffers=4};
 
     static bool CaptureThread(void*);
     bool CaptureProcess();
     bool AllocateVideoBuffers();
     bool DeAllocateVideoBuffers();
 
     // TODO(pbos): Stop using unique_ptr and resetting the thread.
     std::unique_ptr<rtc::PlatformThread> _captureThread;
-    CriticalSectionWrapper* _captureCritSect;
+    rtc::CriticalSection _captureCritSect;
 
     int32_t _deviceId;
     int32_t _deviceFd;
 
     int32_t _buffersAllocatedByDevice;
     int32_t _currentWidth;
     int32_t _currentHeight;
     int32_t _currentFrameRate;
     bool _captureStarted;
     RawVideoType _captureVideoType;
     struct Buffer
     {
         void *start;
         size_t length;
     };
     Buffer *_pool;
 };
 }  // namespace videocapturemodule
 }  // namespace webrtc
 
 #endif // WEBRTC_MODULES_VIDEO_CAPTURE_MAIN_SOURCE_LINUX_VIDEO_CAPTURE_LINUX_H_