Cast: Remove unused RTCP messages

media/cast/net/cast_transport_defines.h

Index: media/cast/net/cast_transport_defines.h
diff --git a/media/cast/net/cast_transport_defines.h b/media/cast/net/cast_transport_defines.h
index b2020f33af8fec9d4141f0c2931c305219519e5a..fe329a2f44019af5ecda7c05e2aeed675c367474 100644
--- a/media/cast/net/cast_transport_defines.h
+++ b/media/cast/net/cast_transport_defines.h
@@ -38,11 +38,8 @@ typedef std::map<uint8, PacketIdSet> MissingFramesAndPacketsMap;
 
 enum RtcpPacketFields {
   kPacketTypeLow = 194,  // SMPTE time-code mapping.
-  kPacketTypeInterArrivalJitterReport = 195,
   kPacketTypeSenderReport = 200,
   kPacketTypeReceiverReport = 201,
-  kPacketTypeSdes = 202,
-  kPacketTypeBye = 203,
   kPacketTypeApplicationDefined = 204,
   kPacketTypeGenericRtpFeedback = 205,
   kPacketTypePayloadSpecific = 206,
@@ -53,17 +50,9 @@ enum RtcpPacketFields {
 enum RtcpPacketField {
     kRtcpSr     = 0x0002,
     kRtcpRr     = 0x0004,
-    kRtcpBye    = 0x0008,
-    kRtcpPli    = 0x0010,
-    kRtcpNack   = 0x0020,
-    kRtcpFir    = 0x0040,
-    kRtcpSrReq  = 0x0200,
     kRtcpDlrr   = 0x0400,
     kRtcpRrtr   = 0x0800,
-    kRtcpRpsi   = 0x8000,
-    kRtcpRemb   = 0x10000,
     kRtcpCast   = 0x20000,
-    kRtcpSenderLog = 0x40000,
     kRtcpReceiverLog = 0x80000,
   };