Allow max 1 block per type in RTCP Extended Reports

webrtc/test/rtcp_packet_parser.h

Index: webrtc/test/rtcp_packet_parser.h
diff --git a/webrtc/test/rtcp_packet_parser.h b/webrtc/test/rtcp_packet_parser.h
index 4fa1405e7b96aec3709c54c7a51bc4e41a5305d1..4a8eca0d679e4e763d0e30fe1d4ddd8788f4ebbd 100644
--- a/webrtc/test/rtcp_packet_parser.h
+++ b/webrtc/test/rtcp_packet_parser.h
@@ -92,9 +92,6 @@ class RtcpPacketParser {
   PacketCounter<rtcp::TransportFeedback>* transport_feedback() {
     return &transport_feedback_;
   }
-  const RTCPVoIPMetric* voip_metric() {
-    return &xr_.voip_metrics()[0].voip_metric();
-  }
 
  private:
   PacketCounter<rtcp::App> app_;