Cast: Log sender side packet events.

media/cast/transport/transport_video_sender.h

Index: media/cast/transport/transport_video_sender.h
diff --git a/media/cast/transport/transport_video_sender.h b/media/cast/transport/transport_video_sender.h
index 3ed293a788b208514cf8e8109057daf7c463f43f..be3dae8d9f4a75a829cdfcf23a70ba23c4355fa6 100644
--- a/media/cast/transport/transport_video_sender.h
+++ b/media/cast/transport/transport_video_sender.h
@@ -18,6 +18,8 @@ namespace media {
 class VideoFrame;
 
 namespace cast {
+class LoggingImpl;
+
 namespace transport {
 class PacedSender;
 
@@ -29,6 +31,7 @@ class TransportVideoSender : public base::NonThreadSafe {
   TransportVideoSender(
       const CastTransportVideoConfig& config,
       base::TickClock* clock,
+      LoggingImpl* logging,
       const scoped_refptr<base::SingleThreadTaskRunner>& transport_task_runner,
       PacedSender* const paced_packet_sender);