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 2d68543d5c2ea8971be866c220f2c67f90c674eb..e29dd0d02ae743b60b51627c9f32679117280b7c 100644
--- a/webrtc/p2p/base/jseptransport.h
+++ b/webrtc/p2p/base/jseptransport.h
@@ -115,6 +115,10 @@ struct ConnectionInfo {
   uint64_t priority;
   // https://w3c.github.io/webrtc-stats/#dom-rtcicecandidatepairstats-nominated
   bool nominated;
+  // https://w3c.github.io/webrtc-stats/#dom-rtcicecandidatepairstats-totalroundtriptime
+  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.