rtcp::VoipMetric block moved into own file and got Parse function

webrtc/modules/rtp_rtcp/source/rtcp_receiver_unittest.cc

Index: webrtc/modules/rtp_rtcp/source/rtcp_receiver_unittest.cc
diff --git a/webrtc/modules/rtp_rtcp/source/rtcp_receiver_unittest.cc b/webrtc/modules/rtp_rtcp/source/rtcp_receiver_unittest.cc
index 45e803e372582ff8a8925f247fa630fd482496b3..4f964f0cf1c74193a2f757aab6e9adb54057ee76 100644
--- a/webrtc/modules/rtp_rtcp/source/rtcp_receiver_unittest.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtcp_receiver_unittest.cc
@@ -587,7 +587,9 @@ TEST_F(RtcpReceiverTest, InjectXrVoipPacket) {
   const uint8_t kLossRate = 123;
   rtcp::VoipMetric voip_metric;
   voip_metric.To(kSourceSsrc);
-  voip_metric.LossRate(kLossRate);
+  RTCPVoIPMetric metric;
+  metric.lossRate = kLossRate;
+  voip_metric.WithVoipMetric(metric);
   rtcp::Xr xr;
   xr.From(0x2345);
   xr.WithVoipMetric(&voip_metric);