Revert of Unify rtcp packet setters

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

Index: webrtc/modules/rtp_rtcp/source/rtcp_packet/app_unittest.cc
diff --git a/webrtc/modules/rtp_rtcp/source/rtcp_packet/app_unittest.cc b/webrtc/modules/rtp_rtcp/source/rtcp_packet/app_unittest.cc
index 6015ab874484cde3e492caed6fc45523e1091e5d..abc8f04f00959f5999af9033720d473291ffeb1a 100644
--- a/webrtc/modules/rtp_rtcp/source/rtcp_packet/app_unittest.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtcp_packet/app_unittest.cc
@@ -53,9 +53,9 @@
 
 TEST(RtcpPacketAppTest, CreateWithoutData) {
   App app;
-  app.SetSsrc(kSenderSsrc);
-  app.SetSubType(kSubtype);
-  app.SetName(kName);
+  app.From(kSenderSsrc);
+  app.WithSubType(kSubtype);
+  app.WithName(kName);
 
   rtc::Buffer raw = app.Build();
 
@@ -75,10 +75,10 @@
 
 TEST(RtcpPacketAppTest, CreateWithData) {
   App app;
-  app.SetSsrc(kSenderSsrc);
-  app.SetSubType(kSubtype);
-  app.SetName(kName);
-  app.SetData(kData, sizeof(kData));
+  app.From(kSenderSsrc);
+  app.WithSubType(kSubtype);
+  app.WithName(kName);
+  app.WithData(kData, sizeof(kData));
 
   rtc::Buffer raw = app.Build();