Cast: Log sender side packet events.

media/cast/transport/cast_transport_sender_impl.h

Index: media/cast/transport/cast_transport_sender_impl.h
diff --git a/media/cast/transport/cast_transport_sender_impl.h b/media/cast/transport/cast_transport_sender_impl.h
index 92a665bc2710740dbfde1a65e622592f3ecae349..765de12fe3f35e74507fa999701a0202969f624c 100644
--- a/media/cast/transport/cast_transport_sender_impl.h
+++ b/media/cast/transport/cast_transport_sender_impl.h
@@ -92,13 +92,12 @@ class CastTransportSenderImpl : public CastTransportSender {
   scoped_refptr<base::SingleThreadTaskRunner> transport_task_runner_;
 
   scoped_ptr<UdpTransport> transport_;
+  LoggingImpl logging_;
   PacedSender pacer_;
   RtcpBuilder rtcp_builder_;
   scoped_ptr<TransportAudioSender> audio_sender_;
   scoped_ptr<TransportVideoSender> video_sender_;
 
-  LoggingImpl logging_;
-
   // This is non-null iff raw events logging is enabled.
   scoped_ptr<SimpleEventSubscriber> event_subscriber_;
   base::RepeatingTimer<CastTransportSenderImpl> raw_events_timer_;