Reland of Make cricket::VideoFrame inherit webrtc::VideoFrame.

webrtc/media/engine/webrtcvideocapturer.cc

 /*
  *  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.
  */
 
@@ skipping 337 matching lines @@
   ++captured_frames_;
   // Log the size and pixel aspect ratio of the first captured frame.
   if (1 == captured_frames_) {
     LOG(LS_INFO) << "Captured frame size "
                  << sample.width() << "x" << sample.height()
                  << ". Expected format " << GetCaptureFormat()->ToString();
   }
 
   OnFrame(cricket::WebRtcVideoFrame(
               sample.video_frame_buffer(), sample.rotation(),
-              sample.render_time_ms() * rtc::kNumMicrosecsPerMillisec, 0),
+              sample.render_time_ms() * rtc::kNumMicrosecsPerMillisec),
           sample.width(), sample.height());
 }
 
 void WebRtcVideoCapturer::OnCaptureDelayChanged(const int32_t id,
                                                 const int32_t delay) {
   LOG(LS_INFO) << "Capture delay changed to " << delay << " ms";
 }
 
 }  // namespace cricket