Add flakiness check if there is no received packets in a certain period.

talk/app/webrtc/webrtcsession.cc

Index: talk/app/webrtc/webrtcsession.cc
diff --git a/talk/app/webrtc/webrtcsession.cc b/talk/app/webrtc/webrtcsession.cc
index 5c8b2df754fe8d69dd5928e2a0477e3f2e8e50ab..193ee66176e77a37874c8bc356b3595ca44ad630 100644
--- a/talk/app/webrtc/webrtcsession.cc
+++ b/talk/app/webrtc/webrtcsession.cc
@@ -489,6 +489,7 @@ WebRtcSession::WebRtcSession(
       mediastream_signaling_(mediastream_signaling),
       ice_observer_(NULL),
       ice_connection_state_(PeerConnectionInterface::kIceConnectionNew),
+      ice_flaky_(false),

[pthatcher1, 2015/06/24 23:42:52]

Same here: we need a better name than ice_flaky.  

       older_version_remote_peer_(false),
       dtls_enabled_(false),
       data_channel_type_(cricket::DCT_NONE),
@@ -1401,6 +1402,22 @@ void WebRtcSession::OnTransportFailed(cricket::Transport* transport) {
   SetIceConnectionState(PeerConnectionInterface::kIceConnectionFailed);
 }
 
+void WebRtcSession::OnTransportFlaky(cricket::Transport* transport) {
+  ASSERT(signaling_thread()->IsCurrent());
+  if (transport->HasChannels()) {
+    SetIceFlaky(transport->all_channels_flaky());
+  }
+}
+
+void WebRtcSession::SetIceFlaky(bool flaky) {
+  if (ice_flaky_ != flaky) {

[pthatcher1, 2015/06/24 23:42:52]

Please use an early return.

[honghaiz3, 2015/08/05 23:56:56]

Done.

+    ice_flaky_ = flaky;
+    if (ice_observer_) {
+      ice_observer_->OnIceFlakinessChange(flaky);
+    }
+  }
+}
+
 void WebRtcSession::OnTransportProxyCandidatesReady(
     cricket::TransportProxy* proxy, const cricket::Candidates& candidates) {
   ASSERT(signaling_thread()->IsCurrent());