Cast: IPC from browser to renderer to send packet events from transport to cast library.

media/cast/transport/transport_audio_sender.cc

Index: media/cast/transport/transport_audio_sender.cc
diff --git a/media/cast/transport/transport_audio_sender.cc b/media/cast/transport/transport_audio_sender.cc
index b704e23b80a67d68fdc56bb07b717d7e5fa2e4d9..f7ef7742e24bd60c1af762c77e491e0cc5ba8239 100644
--- a/media/cast/transport/transport_audio_sender.cc
+++ b/media/cast/transport/transport_audio_sender.cc
@@ -16,9 +16,10 @@ namespace transport {
 TransportAudioSender::TransportAudioSender(
     const CastTransportAudioConfig& config,
     base::TickClock* clock,
+    LoggingImpl* logging,
     const scoped_refptr<base::SingleThreadTaskRunner>& transport_task_runner,
     PacedSender* const paced_packet_sender)
-    : rtp_sender_(clock, transport_task_runner, paced_packet_sender),
+    : rtp_sender_(clock, logging, transport_task_runner, paced_packet_sender),
       encryptor_() {
   rtp_sender_.InitializeAudio(config);
   initialized_ =