Delete support for sending RTCP RPSI and SLI messages.

webrtc/video/rtp_stream_receiver.h

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 99 matching lines @@
   int32_t OnInitializeDecoder(int8_t payload_type,
                               const char payload_name[RTP_PAYLOAD_NAME_SIZE],
                               int frequency,
                               size_t channels,
                               uint32_t rate) override;
   void OnIncomingSSRCChanged(uint32_t ssrc) override;
   void OnIncomingCSRCChanged(uint32_t CSRC, bool added) override {}
 
   // Implements VCMFrameTypeCallback.
   int32_t RequestKeyFrame() override;
-  int32_t SliceLossIndicationRequest(const uint64_t picture_id) override;
 
   bool IsUlpfecEnabled() const;
   bool IsRetransmissionsEnabled() const;
   // Don't use, still experimental.
   void RequestPacketRetransmit(const std::vector<uint16_t>& sequence_numbers);
 
   // Implements VCMPacketRequestCallback.
   int32_t ResendPackets(const uint16_t* sequenceNumbers,
                         uint16_t length) override;
 
@@ skipping 63 matching lines @@
   // TODO(johan): Remove pt_codec_params_ once
   // https://bugs.chromium.org/p/webrtc/issues/detail?id=6883 is resolved.
   // Maps a payload type to a map of out-of-band supplied codec parameters.
   std::map<uint8_t, std::map<std::string, std::string>> pt_codec_params_;
   int16_t last_payload_type_ = -1;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_VIDEO_RTP_STREAM_RECEIVER_H_