Remove handling unused rtcp packets.

webrtc/modules/rtp_rtcp/source/rtcp_receiver.h

Index: webrtc/modules/rtp_rtcp/source/rtcp_receiver.h
diff --git a/webrtc/modules/rtp_rtcp/source/rtcp_receiver.h b/webrtc/modules/rtp_rtcp/source/rtcp_receiver.h
index 365937474f78cee0c6c8d4f0cac61edf0895aac0..ff928054f9af5a0f0a3f48253149e3012d222ab0 100644
--- a/webrtc/modules/rtp_rtcp/source/rtcp_receiver.h
+++ b/webrtc/modules/rtp_rtcp/source/rtcp_receiver.h
@@ -161,11 +161,6 @@ class RTCPReceiver {
       RTCPHelp::RTCPPacketInformation& rtcpPacketInformation)
       EXCLUSIVE_LOCKS_REQUIRED(_criticalSectionRTCPReceiver);
 
-  void HandleXRVOIPMetric(
-      RTCPUtility::RTCPParserV2& rtcpParser,
-      RTCPHelp::RTCPPacketInformation& rtcpPacketInformation)
-      EXCLUSIVE_LOCKS_REQUIRED(_criticalSectionRTCPReceiver);
-
   void HandleNACK(RTCPUtility::RTCPParserV2& rtcpParser,
                   RTCPHelp::RTCPPacketInformation& rtcpPacketInformation)
       EXCLUSIVE_LOCKS_REQUIRED(_criticalSectionRTCPReceiver);
@@ -201,14 +196,6 @@ class RTCPReceiver {
                       RTCPHelp::RTCPPacketInformation& rtcpPacketInformation)
       EXCLUSIVE_LOCKS_REQUIRED(_criticalSectionRTCPReceiver);
 
-  void HandleIJ(RTCPUtility::RTCPParserV2& rtcpParser,
-                RTCPHelp::RTCPPacketInformation& rtcpPacketInformation)
-      EXCLUSIVE_LOCKS_REQUIRED(_criticalSectionRTCPReceiver);
-
-  void HandleIJItem(const RTCPUtility::RTCPPacket& rtcpPacket,
-                    RTCPHelp::RTCPPacketInformation& rtcpPacketInformation)
-      EXCLUSIVE_LOCKS_REQUIRED(_criticalSectionRTCPReceiver);
-
   void HandleTMMBR(RTCPUtility::RTCPParserV2& rtcpParser,
                    RTCPHelp::RTCPPacketInformation& rtcpPacketInformation)
       EXCLUSIVE_LOCKS_REQUIRED(_criticalSectionRTCPReceiver);
@@ -240,14 +227,6 @@ class RTCPReceiver {
                      RTCPHelp::RTCPPacketInformation& rtcpPacketInformation)
       EXCLUSIVE_LOCKS_REQUIRED(_criticalSectionRTCPReceiver);
 
-  void HandleAPP(RTCPUtility::RTCPParserV2& rtcpParser,
-                 RTCPHelp::RTCPPacketInformation& rtcpPacketInformation)
-      EXCLUSIVE_LOCKS_REQUIRED(_criticalSectionRTCPReceiver);
-
-  void HandleAPPItem(RTCPUtility::RTCPParserV2& rtcpParser,
-                     RTCPHelp::RTCPPacketInformation& rtcpPacketInformation)
-      EXCLUSIVE_LOCKS_REQUIRED(_criticalSectionRTCPReceiver);
-
   void HandleTransportFeedback(
       RTCPUtility::RTCPParserV2* rtcp_parser,
       RTCPHelp::RTCPPacketInformation* rtcp_packet_information)