Adding more detail to MessageQueue::Dispatch logging.

webrtc/api/videocapturertracksource.cc

 /*
  *  Copyright 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.
  */
 
@@ skipping 334 matching lines @@
                      &needs_denoising_)) {
     LOG(LS_WARNING) << "Invalid mandatory value for"
                     << MediaConstraintsInterface::kNoiseReduction;
     SetState(kEnded);
     return;
   }
 
   format_ = GetBestCaptureFormat(formats);
   // Start the camera with our best guess.
   if (!worker_thread_->Invoke<bool>(
-          rtc::Bind(&cricket::VideoCapturer::StartCapturing,
-                    video_capturer_.get(), format_))) {
+          RTC_FROM_HERE, rtc::Bind(&cricket::VideoCapturer::StartCapturing,
+                                   video_capturer_.get(), format_))) {
     SetState(kEnded);
     return;
   }
   started_ = true;
   // Initialize hasn't succeeded until a successful state change has occurred.
 }
 
 bool VideoCapturerTrackSource::GetStats(Stats* stats) {
   return video_capturer_->GetInputSize(&stats->input_width,
                                        &stats->input_height);
 }
 
 void VideoCapturerTrackSource::Stop() {
   if (!started_) {
     return;
   }
   started_ = false;
   worker_thread_->Invoke<void>(
+      RTC_FROM_HERE,
       rtc::Bind(&cricket::VideoCapturer::Stop, video_capturer_.get()));
 }
 
 void VideoCapturerTrackSource::Restart() {
   if (started_) {
     return;
   }
   if (!worker_thread_->Invoke<bool>(
-          rtc::Bind(&cricket::VideoCapturer::StartCapturing,
-                    video_capturer_.get(), format_))) {
+          RTC_FROM_HERE, rtc::Bind(&cricket::VideoCapturer::StartCapturing,
+                                   video_capturer_.get(), format_))) {
     SetState(kEnded);
     return;
   }
   started_ = true;
 }
 
 // OnStateChange listens to the cricket::VideoCapturer::SignalStateChange.
 void VideoCapturerTrackSource::OnStateChange(
     cricket::VideoCapturer* capturer,
     cricket::CaptureState capture_state) {
   if (rtc::Thread::Current() != signaling_thread_) {
     invoker_.AsyncInvoke<void>(
-        signaling_thread_, rtc::Bind(&VideoCapturerTrackSource::OnStateChange,
-                                     this, capturer, capture_state));
+        RTC_FROM_HERE, signaling_thread_,
+        rtc::Bind(&VideoCapturerTrackSource::OnStateChange, this, capturer,
+                  capture_state));
     return;
   }
 
   if (capturer == video_capturer_.get()) {
     SetState(GetReadyState(capture_state));
   }
 }
 
 }  // namespace webrtc