Adding more detail to MessageQueue::Dispatch logging.

webrtc/media/engine/webrtcvideoengine2.cc

 /*
  *  Copyright (c) 2014 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 1973 matching lines @@
 
 void WebRtcVideoChannel2::WebRtcVideoSendStream::SetSend(bool send) {
   rtc::CritScope cs(&lock_);
   sending_ = send;
   UpdateSendState();
 }
 
 void WebRtcVideoChannel2::WebRtcVideoSendStream::OnLoadUpdate(Load load) {
   if (worker_thread_ != rtc::Thread::Current()) {
     invoker_.AsyncInvoke<void>(
-        worker_thread_,
+        FROM_HERE, worker_thread_,
         rtc::Bind(&WebRtcVideoChannel2::WebRtcVideoSendStream::OnLoadUpdate,
                   this, load));
     return;
   }
   RTC_DCHECK(thread_checker_.CalledOnValidThread());
   if (!source_) {
     return;
   }
   {
     rtc::CritScope cs(&lock_);
@@ skipping 581 matching lines @@
         rtx_mapping[video_codecs[i].codec.id] !=
             fec_settings.red_payload_type) {
       video_codecs[i].rtx_payload_type = rtx_mapping[video_codecs[i].codec.id];
     }
   }
 
   return video_codecs;
 }
 
 }  // namespace cricket