Adding more detail to MessageQueue::Dispatch logging.

webrtc/libjingle/xmpp/pingtask.cc

 /*
  *  Copyright 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 59 matching lines @@
     std::unique_ptr<buzz::XmlElement> stanza(
         MakeIq(buzz::STR_GET, Jid(STR_EMPTY), task_id()));
     stanza->AddElement(new buzz::XmlElement(QN_PING));
     SendStanza(stanza.get());
 
     ping_response_deadline_ = now + ping_timeout_millis_;
     next_ping_time_ = now + ping_period_millis_;
 
     // Wake ourselves up when it's time to send another ping or when the ping
     // times out (so we can fire a signal).
-    message_queue_->PostDelayed(ping_timeout_millis_, this);
-    message_queue_->PostDelayed(ping_period_millis_, this);
+    message_queue_->PostDelayed(RTC_FROM_HERE, ping_timeout_millis_, this);
+    message_queue_->PostDelayed(RTC_FROM_HERE, ping_period_millis_, this);
   }
 
   return STATE_BLOCKED;
 }
 
 void PingTask::OnMessage(rtc::Message* msg) {
   // Get the task manager to run this task so we can send a ping or signal or
   // process a ping response.
   Wake();
 }
 
 } // namespace buzz