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

webrtc/modules/rtp_rtcp/source/rtcp_receiver_unittest.cc

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 572 matching lines @@
 
 TEST_F(RtcpReceiverTest, InjectXrVoipPacket) {
   const uint32_t kSourceSsrc = 0x123456;
   std::set<uint32_t> ssrcs;
   ssrcs.insert(kSourceSsrc);
   rtcp_receiver_->SetSsrcs(kSourceSsrc, ssrcs);
 
   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);
   rtc::scoped_ptr<rtcp::RawPacket> packet(xr.Build());
   EXPECT_EQ(0, InjectRtcpPacket(packet->Buffer(), packet->Length()));
   ASSERT_TRUE(rtcp_packet_info_.VoIPMetric != nullptr);
   EXPECT_EQ(kLossRate, rtcp_packet_info_.VoIPMetric->lossRate);
   EXPECT_EQ(kRtcpXrVoipMetric, rtcp_packet_info_.rtcpPacketTypeFlags);
 }
 
@@ skipping 486 matching lines @@
 
   // Transport feedback should be ignored, but next packet should work.
   EXPECT_EQ(0u, rtcp_packet_info_.rtcpPacketTypeFlags & kRtcpTransportFeedback);
   EXPECT_NE(0u, rtcp_packet_info_.rtcpPacketTypeFlags & kRtcpRemb);
   EXPECT_EQ(kBitrateBps, rtcp_packet_info_.receiverEstimatedMaxBitrate);
 }
 
 }  // Anonymous namespace
 
 }  // namespace webrtc