rtcp::Ij renamed to rtcp::ExtendedJitterReport and moved into own file

webrtc/modules/rtp_rtcp/source/rtcp_packet.cc

Index: webrtc/modules/rtp_rtcp/source/rtcp_packet.cc
diff --git a/webrtc/modules/rtp_rtcp/source/rtcp_packet.cc b/webrtc/modules/rtp_rtcp/source/rtcp_packet.cc
index 4af3292659405aeac4dc480fa4abbd96e008cc1f..7c0650c488cf87183842f6f7cafcf7c834607ef0 100644
--- a/webrtc/modules/rtp_rtcp/source/rtcp_packet.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtcp_packet.cc
@@ -163,28 +163,6 @@ void CreateReportBlocks(const std::vector<ReportBlock>& blocks,
   }
 }
 
-// Transmission Time Offsets in RTP Streams (RFC 5450).
-//
-//      0                   1                   2                   3
-//      0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
-//     +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-// hdr |V=2|P|    RC   |   PT=IJ=195   |             length            |
-//     +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-//     |                      inter-arrival jitter                     |
-//     +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-//     .                                                               .
-//     .                                                               .
-//     .                                                               .
-//     |                      inter-arrival jitter                     |
-//     +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-
-void CreateIj(const std::vector<uint32_t>& ij_items,
-              uint8_t* buffer,
-              size_t* pos) {
-  for (uint32_t item : ij_items)
-    AssignUWord32(buffer, pos, item);
-}
-
 // Source Description (SDES) (RFC 3550).
 //
 //         0                   1                   2                   3
@@ -804,29 +782,6 @@ bool ReceiverReport::WithReportBlock(const ReportBlock& block) {
   return true;
 }
 
-bool Ij::Create(uint8_t* packet,
-                size_t* index,
-                size_t max_length,
-                RtcpPacket::PacketReadyCallback* callback) const {
-  while (*index + BlockLength() > max_length) {
-    if (!OnBufferFull(packet, index, callback))
-      return false;
-  }
-  size_t length = ij_items_.size();
-  CreateHeader(length, PT_IJ, length, packet, index);
-  CreateIj(ij_items_, packet, index);
-  return true;
-}
-
-bool Ij::WithJitterItem(uint32_t jitter) {
-  if (ij_items_.size() >= kMaxNumberOfIjItems) {
-    LOG(LS_WARNING) << "Max inter-arrival jitter items reached.";
-    return false;
-  }
-  ij_items_.push_back(jitter);
-  return true;
-}
-
 bool Sdes::Create(uint8_t* packet,
                   size_t* index,
                   size_t max_length,