Rename FecReceiver to UlpfecReceiver.

webrtc/video/rtp_stream_receiver.h

Index: webrtc/video/rtp_stream_receiver.h
diff --git a/webrtc/video/rtp_stream_receiver.h b/webrtc/video/rtp_stream_receiver.h
index 7069124ba07c53d6181cd4dfcebad51314169c61..0a3b3159a1b1d7e90306b6fbf1c5fd24a08889a1 100644
--- a/webrtc/video/rtp_stream_receiver.h
+++ b/webrtc/video/rtp_stream_receiver.h
@@ -29,7 +29,6 @@
 
 namespace webrtc {
 
-class FecReceiver;
 class PacedSender;
 class PacketRouter;
 class ProcessThread;
@@ -42,6 +41,7 @@ class RtpHeaderParser;
 class RTPPayloadRegistry;
 class RtpReceiver;
 class Transport;
+class UlpfecReceiver;
 class VieRemb;
 
 namespace vcm {
@@ -142,7 +142,7 @@ class RtpStreamReceiver : public RtpData, public RtpFeedback,
   const std::unique_ptr<RtpHeaderParser> rtp_header_parser_;
   const std::unique_ptr<RtpReceiver> rtp_receiver_;
   const std::unique_ptr<ReceiveStatistics> rtp_receive_statistics_;
-  std::unique_ptr<FecReceiver> fec_receiver_;
+  std::unique_ptr<UlpfecReceiver> ulpfec_receiver_;
 
   rtc::CriticalSection receive_cs_;
   bool receiving_ GUARDED_BY(receive_cs_);