Simplify SetFecParameters signature.

webrtc/modules/rtp_rtcp/source/rtp_sender_video.cc

Index: webrtc/modules/rtp_rtcp/source/rtp_sender_video.cc
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_sender_video.cc b/webrtc/modules/rtp_rtcp/source/rtp_sender_video.cc
index 8f14d653687ddd1bebe0228664af951863313623..07c5348f4b683f11a533b7a1fe2ea69a7c48e2c5 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_sender_video.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtp_sender_video.cc
@@ -221,14 +221,12 @@ size_t RTPSenderVideo::FecPacketOverhead() const {
   return overhead;
 }
 
-void RTPSenderVideo::SetFecParameters(const FecProtectionParams* delta_params,
-                                      const FecProtectionParams* key_params) {
+void RTPSenderVideo::SetFecParameters(const FecProtectionParams& delta_params,
+                                      const FecProtectionParams& key_params) {
   rtc::CritScope cs(&crit_);
-  RTC_DCHECK(delta_params);
-  RTC_DCHECK(key_params);
   if (ulpfec_enabled()) {
-    delta_fec_params_ = *delta_params;
-    key_fec_params_ = *key_params;
+    delta_fec_params_ = delta_params;
+    key_fec_params_ = key_params;
   }
 }
 
@@ -286,8 +284,8 @@ bool RTPSenderVideo::SendVideo(RtpVideoCodecTypes video_type,
   bool first_frame = first_frame_sent_();
   {
     rtc::CritScope cs(&crit_);
-    FecProtectionParams* fec_params =
-        frame_type == kVideoFrameKey ? &key_fec_params_ : &delta_fec_params_;
+    const FecProtectionParams& fec_params =
+        frame_type == kVideoFrameKey ? key_fec_params_ : delta_fec_params_;
     producer_fec_.SetFecParameters(fec_params);
     storage = packetizer->GetStorageType(retransmission_settings_);
     _red_enabled = red_enabled();