remove more CriticalSectionWrappers.

webrtc/test/frame_generator_capturer.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_TEST_FRAME_GENERATOR_CAPTURER_H_
 #define WEBRTC_TEST_FRAME_GENERATOR_CAPTURER_H_
 
 #include <memory>
 #include <string>
 
 #include "webrtc/api/video/video_frame.h"
 #include "webrtc/base/criticalsection.h"
 #include "webrtc/base/task_queue.h"
 #include "webrtc/test/video_capturer.h"
 #include "webrtc/typedefs.h"
 
 namespace webrtc {
 
-class CriticalSectionWrapper;
 class EventTimerWrapper;
 
 namespace test {
 
 class FrameGenerator;
 
 class FrameGeneratorCapturer : public VideoCapturer {
  public:
   class SinkWantsObserver {
    public:
@@ skipping 57 matching lines @@
 
   int64_t first_frame_capture_time_;
   // Must be the last field, so it will be deconstructed first as tasks
   // in the TaskQueue access other fields of the instance of this class.
   rtc::TaskQueue task_queue_;
 };
 }  // namespace test
 }  // namespace webrtc
 
 #endif  // WEBRTC_TEST_FRAME_GENERATOR_CAPTURER_H_