RTCIceCandidatePairStats.[total/current]RoundTripTime collected.

webrtc/p2p/base/jseptransport.h

Index: webrtc/p2p/base/jseptransport.h
diff --git a/webrtc/p2p/base/jseptransport.h b/webrtc/p2p/base/jseptransport.h
index 45963e681f00470cdaa73587c17e03dd1eb3299a..31965597789a32285d66df138b7c7b512626cad5 100644
--- a/webrtc/p2p/base/jseptransport.h
+++ b/webrtc/p2p/base/jseptransport.h
@@ -113,6 +113,10 @@ struct ConnectionInfo {
   IceCandidatePairState state;
   // https://w3c.github.io/webrtc-stats/#dom-rtcicecandidatepairstats-priority
   uint64_t priority;
+  // https://w3c.github.io/webrtc-stats/#dom-rtcicecandidatepairstats-totalroundtriptime
+  rtc::Optional<uint64_t> total_round_trip_time_ms;
+  // https://w3c.github.io/webrtc-stats/#dom-rtcicecandidatepairstats-currentroundtriptime
+  rtc::Optional<uint32_t> current_round_trip_time_ms;
 };
 
 // Information about all the connections of a channel.