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

webrtc/api/rtcstatscollector_unittest.cc

Index: webrtc/api/rtcstatscollector_unittest.cc
diff --git a/webrtc/api/rtcstatscollector_unittest.cc b/webrtc/api/rtcstatscollector_unittest.cc
index 89161363a258668fd6fec90332f16b7b8a92579b..b619ef9b5a337419db5363d5ae416edc86520e27 100644
--- a/webrtc/api/rtcstatscollector_unittest.cc
+++ b/webrtc/api/rtcstatscollector_unittest.cc
@@ -1078,6 +1078,8 @@ TEST_F(RTCStatsCollectorTest, CollectRTCIceCandidatePairStats) {
   connection_info.sent_ping_requests_before_first_response = 2000;
   connection_info.recv_ping_responses = 4321;
   connection_info.sent_ping_responses = 1000;
+  connection_info.state = cricket::IceCandidatePairState::IN_PROGRESS;
+  connection_info.priority = 5555;
 
   cricket::TransportChannelStats transport_channel_stats;
   transport_channel_stats.component = cricket::ICE_CANDIDATE_COMPONENT_RTP;
@@ -1104,6 +1106,8 @@ TEST_F(RTCStatsCollectorTest, CollectRTCIceCandidatePairStats) {
   expected_pair.local_candidate_id = "RTCIceCandidate_" + local_candidate->id();
   expected_pair.remote_candidate_id =
       "RTCIceCandidate_" + remote_candidate->id();
+  expected_pair.state = "in-progress";

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

nit: RTCStatsIceCandidatePairState::kInProgress instead of cstr

[hbos, 2016/12/27 10:24:34]

Done.

+  expected_pair.priority = 5555;
   expected_pair.writable = true;
   expected_pair.bytes_sent = 42;
   expected_pair.bytes_received = 1234;