Revert of Unify rtcp packet setters

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

Index: webrtc/modules/rtp_rtcp/source/rtcp_packet/sli_unittest.cc
diff --git a/webrtc/modules/rtp_rtcp/source/rtcp_packet/sli_unittest.cc b/webrtc/modules/rtp_rtcp/source/rtcp_packet/sli_unittest.cc
index 4b2fdea92b1a9e16c6444bab6117a6090dd32636..dfb7d594b9edf5e933777e71fed12cfbf512654c 100644
--- a/webrtc/modules/rtp_rtcp/source/rtcp_packet/sli_unittest.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtcp_packet/sli_unittest.cc
@@ -42,9 +42,9 @@
 
 TEST(RtcpPacketSliTest, Create) {
   Sli sli;
-  sli.SetSenderSsrc(kSenderSsrc);
-  sli.SetMediaSsrc(kRemoteSsrc);
-  sli.AddPictureId(kPictureId, kFirstMb, kNumberOfMb);
+  sli.From(kSenderSsrc);
+  sli.To(kRemoteSsrc);
+  sli.WithPictureId(kPictureId, kFirstMb, kNumberOfMb);
 
   rtc::Buffer packet = sli.Build();
 
@@ -67,9 +67,9 @@
 
 TEST(RtcpPacketSliTest, ParseFailsOnTooSmallPacket) {
   Sli sli;
-  sli.SetSenderSsrc(kSenderSsrc);
-  sli.SetMediaSsrc(kRemoteSsrc);
-  sli.AddPictureId(kPictureId, kFirstMb, kNumberOfMb);
+  sli.From(kSenderSsrc);
+  sli.To(kRemoteSsrc);
+  sli.WithPictureId(kPictureId, kFirstMb, kNumberOfMb);
 
   rtc::Buffer packet = sli.Build();
   packet[3]--;  // Decrease size by 1 word (4 bytes).