MediaRecorderHandler: connecting Blink factory method to content/

content/renderer/media/video_track_recorder.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/media/video_track_recorder.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/sys_info.h"
 #include "base/threading/thread.h"
@@ skipping 306 matching lines @@
                                               kMinFrameDuration));
 }
 
 VideoTrackRecorder::VideoTrackRecorder(
     const blink::WebMediaStreamTrack& track,
     const OnEncodedVideoCB& on_encoded_video_callback)
     : track_(track),
       encoder_(new VpxEncoder(on_encoded_video_callback)) {
   DCHECK(main_render_thread_checker_.CalledOnValidThread());
   DCHECK(!track_.isNull());
-  DCHECK(track.extraData());
+  DCHECK(track_.extraData());
 
   // StartFrameEncode() will be called on Render IO thread.
   AddToVideoTrack(this,
                   base::Bind(&VideoTrackRecorder::VpxEncoder::StartFrameEncode,
                              encoder_),
                   track_);
 }
 
 VideoTrackRecorder::~VideoTrackRecorder() {
   DCHECK(main_render_thread_checker_.CalledOnValidThread());
   RemoveFromVideoTrack(this, track_);
   track_.reset();
 }
 
 void VideoTrackRecorder::OnVideoFrameForTesting(
     const scoped_refptr<media::VideoFrame>& frame,
     base::TimeTicks timestamp) {
   encoder_->StartFrameEncode(frame, timestamp);
 }
 
 }  // namespace content