Delete support for receiving RTCP RPSI and SLI messages.

webrtc/video/vie_encoder.h

Index: webrtc/video/vie_encoder.h
diff --git a/webrtc/video/vie_encoder.h b/webrtc/video/vie_encoder.h
index c0b80baadd6e948c918b8f75fb704b5b77b4e2b4..2d770db25e654b6b3e31ace8dad245f88993ecb0 100644
--- a/webrtc/video/vie_encoder.h
+++ b/webrtc/video/vie_encoder.h
@@ -106,8 +106,6 @@ class ViEEncoder : public rtc::VideoSinkInterface<VideoFrame>,
 
   // virtual to test EncoderStateFeedback with mocks.
   virtual void OnReceivedIntraFrameRequest(size_t stream_index);
-  virtual void OnReceivedSLI(uint8_t picture_id);
-  virtual void OnReceivedRPSI(uint64_t picture_id);
 
   void OnBitrateUpdated(uint32_t bitrate_bps,
                         uint8_t fraction_lost,
@@ -210,10 +208,6 @@ class ViEEncoder : public rtc::VideoSinkInterface<VideoFrame>,
   bool nack_enabled_ ACCESS_ON(&encoder_queue_);
   uint32_t last_observed_bitrate_bps_ ACCESS_ON(&encoder_queue_);
   bool encoder_paused_and_dropped_frame_ ACCESS_ON(&encoder_queue_);
-  bool has_received_sli_ ACCESS_ON(&encoder_queue_);
-  uint8_t picture_id_sli_ ACCESS_ON(&encoder_queue_);
-  bool has_received_rpsi_ ACCESS_ON(&encoder_queue_);
-  uint64_t picture_id_rpsi_ ACCESS_ON(&encoder_queue_);
   Clock* const clock_;
   // Counters used for deciding if the video resolution is currently
   // restricted, and if so, why.