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

media/cast/logging/logging_defines.h

Index: media/cast/logging/logging_defines.h
diff --git a/media/cast/logging/logging_defines.h b/media/cast/logging/logging_defines.h
index 10529a2b64ab68d4fc3f2dad14a932822ad77db5..f9c6d8b237933bdb6c2a3ad05a38be47a39757a8 100644
--- a/media/cast/logging/logging_defines.h
+++ b/media/cast/logging/logging_defines.h
@@ -63,15 +63,18 @@ enum CastLoggingEvent {
   kVideoFrameDecoded,
   kVideoRenderDelay,
   // Send-side packet events.
-  kPacketSentToPacer,
-  kPacketSentToNetwork,
-  kPacketRetransmitted,
+  kAudioPacketSentToPacer,
+  kVideoPacketSentToPacer,
+  kAudioPacketSentToNetwork,
+  kVideoPacketSentToNetwork,
+  kAudioPacketRetransmitted,
+  kVideoPacketRetransmitted,
   // Receive-side packet events.
   kAudioPacketReceived,
   kVideoPacketReceived,
   kDuplicateAudioPacketReceived,
   kDuplicateVideoPacketReceived,
-  kNumOfLoggingEvents,
+  kNumOfLoggingEvents = kDuplicateVideoPacketReceived
 };
 
 std::string CastLoggingToString(CastLoggingEvent event);