RTCIceCandidatePairStats.[state/priority] added, ConnectionInfo updated.

webrtc/stats/rtcstats_objects.cc

Index: webrtc/stats/rtcstats_objects.cc
diff --git a/webrtc/stats/rtcstats_objects.cc b/webrtc/stats/rtcstats_objects.cc
index 73d070e740a3530a7dfb35ec72085b449d3e1902..78e0500666a049b57edc3427fe943136f49a956e 100644
--- a/webrtc/stats/rtcstats_objects.cc
+++ b/webrtc/stats/rtcstats_objects.cc
@@ -19,10 +19,9 @@ const char* RTCDataChannelState::kClosed = "closed";
 
 const char* RTCStatsIceCandidatePairState::kFrozen = "frozen";
 const char* RTCStatsIceCandidatePairState::kWaiting = "waiting";
-const char* RTCStatsIceCandidatePairState::kInProgress = "inprogress";
+const char* RTCStatsIceCandidatePairState::kInProgress = "in-progress";

[hbos, 2016/12/23 13:45:34]

"inprogress" vs "in-progress" being discussed here:
https://github.com/w3c/webrtc-stats/issues/66#issuecomment-268825747

 const char* RTCStatsIceCandidatePairState::kFailed = "failed";
 const char* RTCStatsIceCandidatePairState::kSucceeded = "succeeded";
-const char* RTCStatsIceCandidatePairState::kCancelled = "cancelled";
 
 // Strings defined in https://tools.ietf.org/html/rfc5245.
 const char* RTCIceCandidateType::kHost = "host";