Cast: Deduplicate event types in cast library.

media/cast/rtcp/rtcp.h

Index: media/cast/rtcp/rtcp.h
diff --git a/media/cast/rtcp/rtcp.h b/media/cast/rtcp/rtcp.h
index 15bbe1138cfe37204e240b3d98209fd3ef334fdb..52c9178acfadf18f4f7f76aefd749bbbfaf98b20 100644
--- a/media/cast/rtcp/rtcp.h
+++ b/media/cast/rtcp/rtcp.h
@@ -68,7 +68,8 @@ class Rtcp {
        const base::TimeDelta& rtcp_interval,
        uint32 local_ssrc,
        uint32 remote_ssrc,
-       const std::string& c_name);
+       const std::string& c_name,
+       bool is_audio);
 
   virtual ~Rtcp();
 
@@ -111,6 +112,8 @@ class Rtcp {
   // Update the target delay. Will be added to every sender report.
   void SetTargetDelay(base::TimeDelta target_delay);
 
+  void OnReceivedReceiverLog(const RtcpReceiverLogMessage& receiver_log);
+
  protected:
   int CheckForWrapAround(uint32 new_timestamp, uint32 old_timestamp) const;
 
@@ -176,6 +179,7 @@ class Rtcp {
   int number_of_rtt_in_avg_;
   float avg_rtt_ms_;
   uint16 target_delay_ms_;
+  bool is_audio_;
 
   DISALLOW_COPY_AND_ASSIGN(Rtcp);
 };