Cast: Log audio received events for audio

media/cast/audio_sender/audio_sender.h

Index: media/cast/audio_sender/audio_sender.h
diff --git a/media/cast/audio_sender/audio_sender.h b/media/cast/audio_sender/audio_sender.h
index 8911320b3f43771281562152db10bebc2f768dcf..c633b076c8a7edff836f85de206784c45b3e1e98 100644
--- a/media/cast/audio_sender/audio_sender.h
+++ b/media/cast/audio_sender/audio_sender.h
@@ -66,6 +66,10 @@ class AudioSender : public RtcpSenderFeedback,
   int num_aggressive_rtcp_reports_sent_;
   CastInitializationStatus cast_initialization_cb_;
 
+  // Used to map the lower 8 bits of the frame id to a RTP timestamp. This is
+  // good enough as we only use it for logging.
+  RtpTimestamp frame_id_to_rtp_timestamp_[256];

[miu, 2014/05/30 23:33:30]

Ugh.  I hate this approach.  But, we're doing it in a bunch of other places, so
I guess it's okay for now.  Expect this to be on my list of refactorings.  ;-)

+
   // NOTE: Weak pointers must be invalidated before all other member variables.
   base::WeakPtrFactory<AudioSender> weak_factory_;