Adding more detail to MessageQueue::Dispatch logging.

webrtc/api/test/fakeperiodicvideocapturer.h

 /*
  *  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 24 matching lines @@
     formats.push_back(cricket::VideoFormat(320, 240,
         cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
     formats.push_back(cricket::VideoFormat(160, 120,
         cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
     ResetSupportedFormats(formats);
   }
 
   virtual cricket::CaptureState Start(const cricket::VideoFormat& format) {
     cricket::CaptureState state = FakeVideoCapturer::Start(format);
     if (state != cricket::CS_FAILED) {
-      rtc::Thread::Current()->Post(this, MSG_CREATEFRAME);
+      rtc::Thread::Current()->Post(RTC_FROM_HERE, this, MSG_CREATEFRAME);
     }
     return state;
   }
   virtual void Stop() {
     rtc::Thread::Current()->Clear(this);
   }
   // Inherited from MesageHandler.
   virtual void OnMessage(rtc::Message* msg) {
     if (msg->message_id == MSG_CREATEFRAME) {
       if (IsRunning()) {
         CaptureFrame();
-        rtc::Thread::Current()->PostDelayed(static_cast<int>(
-            GetCaptureFormat()->interval / rtc::kNumNanosecsPerMillisec),
+        rtc::Thread::Current()->PostDelayed(
+            RTC_FROM_HERE, static_cast<int>(GetCaptureFormat()->interval /
+                                            rtc::kNumNanosecsPerMillisec),
             this, MSG_CREATEFRAME);
         }
     }
   }
 
  private:
   enum {
     // Offset  0xFF to make sure this don't collide with base class messages.
     MSG_CREATEFRAME = 0xFF
   };
 };
 
 }  // namespace webrtc
 
 #endif  //  WEBRTC_API_TEST_FAKEPERIODICVIDEOCAPTURER_H_