Adding more detail to MessageQueue::Dispatch logging.

webrtc/examples/peerconnection/client/peer_connection_client.cc

Index: webrtc/examples/peerconnection/client/peer_connection_client.cc
diff --git a/webrtc/examples/peerconnection/client/peer_connection_client.cc b/webrtc/examples/peerconnection/client/peer_connection_client.cc
index 9875115c4ba408d74b7357d983758d7074b46997..6db4496223bfc5d4f0d25fe417bdd074517a2f03 100644
--- a/webrtc/examples/peerconnection/client/peer_connection_client.cc
+++ b/webrtc/examples/peerconnection/client/peer_connection_client.cc
@@ -500,7 +500,7 @@ void PeerConnectionClient::OnClose(rtc::AsyncSocket* socket, int err) {
   } else {
     if (socket == control_socket_.get()) {
       LOG(WARNING) << "Connection refused; retrying in 2 seconds";
-      rtc::Thread::Current()->PostDelayed(kReconnectDelay, this, 0);
+      rtc::Thread::Current()->PostDelayed(FROM_HERE, kReconnectDelay, this, 0);
     } else {
       Close();
       callback_->OnDisconnected();