Unify rtcp packet setters

webrtc/modules/rtp_rtcp/source/rtcp_packet/rpsi.cc

Index: webrtc/modules/rtp_rtcp/source/rtcp_packet/rpsi.cc
diff --git a/webrtc/modules/rtp_rtcp/source/rtcp_packet/rpsi.cc b/webrtc/modules/rtp_rtcp/source/rtcp_packet/rpsi.cc
index 3d6e72f89ea0e3cb5f96be8094491aa50afcb1bf..cfa59d6f2df6bfea42f665095da30cdce3af7bc8 100644
--- a/webrtc/modules/rtp_rtcp/source/rtcp_packet/rpsi.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtcp_packet/rpsi.cc
@@ -130,12 +130,12 @@ bool Rpsi::Create(uint8_t* packet,
   return true;
 }
 
-void Rpsi::WithPayloadType(uint8_t payload) {
+void Rpsi::SetPayloadType(uint8_t payload) {
   RTC_DCHECK_LE(payload, 0x7f);
   payload_type_ = payload;
 }
 
-void Rpsi::WithPictureId(uint64_t picture_id) {
+void Rpsi::SetPictureId(uint64_t picture_id) {
   picture_id_ = picture_id;
   block_length_ = CalculateBlockLength(RequiredBytes(picture_id_));
 }