Delete RtpData::OnRecoveredPacket, use RecoveredPacketReceiver instead.

webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h

Index: webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h
diff --git a/webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h b/webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h
index 11bc9433a45709dd73255d0d0f3c64766488a613..81b46f8abf9e2edf6ffca3c54ffd986e1ab8f072 100644
--- a/webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h
+++ b/webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h
@@ -195,9 +195,17 @@ class RtpData {
   virtual int32_t OnReceivedPayloadData(const uint8_t* payload_data,
                                         size_t payload_size,
                                         const WebRtcRTPHeader* rtp_header) = 0;
+};
+
+// Callback interface for packets recovered by FlexFEC or ULPFEC. In
+// the FlexFEC case, the implementation should be able to demultiplex
+// the recovered RTP packets based on SSRC.
+class RecoveredPacketReceiver {
+ public:
+  virtual void OnRecoveredPacket(const uint8_t* packet, size_t length) = 0;
 
-  virtual bool OnRecoveredPacket(const uint8_t* packet,
-                                 size_t packet_length) = 0;
+ protected:
+  virtual ~RecoveredPacketReceiver() = default;
 };
 
 class RtpFeedback {
@@ -400,10 +408,6 @@ class NullRtpData : public RtpData {
                                 const WebRtcRTPHeader* rtp_header) override {
     return 0;
   }
-
-  bool OnRecoveredPacket(const uint8_t* packet, size_t packet_length) override {
-    return true;
-  }
 };
 
 // Statistics about packet loss for a single directional connection. All values