Revert of Unify rtcp packet setters

webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl_unittest.cc

Index: webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl_unittest.cc
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl_unittest.cc b/webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl_unittest.cc
index b43f95d973dd2b319d09c9ded839972c0e8a9d1b..dfd928c8e268edd4ec6ea2f894bc610f491f65f9 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl_unittest.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl_unittest.cc
@@ -216,9 +216,9 @@
     uint16_t list[1];
     list[0] = sequence_number;
     const uint16_t kListLength = sizeof(list) / sizeof(list[0]);
-    nack.SetSenderSsrc(sender ? kReceiverSsrc : kSenderSsrc);
-    nack.SetMediaSsrc(sender ? kSenderSsrc : kReceiverSsrc);
-    nack.SetPacketIds(list, kListLength);
+    nack.From(sender ? kReceiverSsrc : kSenderSsrc);
+    nack.To(sender ? kSenderSsrc : kReceiverSsrc);
+    nack.WithList(list, kListLength);
     rtc::Buffer packet = nack.Build();
     EXPECT_EQ(0, module->impl_->IncomingRtcpPacket(packet.data(),
                                                    packet.size()));