Use continual gathering to restore backup connections

webrtc/api/webrtcsession_unittest.cc

Index: webrtc/api/webrtcsession_unittest.cc
diff --git a/webrtc/api/webrtcsession_unittest.cc b/webrtc/api/webrtcsession_unittest.cc
index ee1d19b23adaee4cf899e28666b294dafc0aa127..6f66319b3b2060f4d6823466cc67b1237b3391a5 100644
--- a/webrtc/api/webrtcsession_unittest.cc
+++ b/webrtc/api/webrtcsession_unittest.cc
@@ -2242,7 +2242,10 @@ TEST_F(WebRtcSessionTest,
   candidates = local_desc->candidates(kMediaContentIndex0);
   size_t num_local_candidates = candidates->count();
   // Enable Continual Gathering
-  session_->SetIceConfig(cricket::IceConfig(-1, -1, true, false, -1, true));
+  cricket::IceConfig config;
+  config.continual_gathering_policy = cricket::GATHER_CONTINUALLY;
+  config.presume_writable_when_fully_relayed = true;

[Taylor Brandstetter, 2016/06/29 22:12:27]

I don't think presume_writable_when_fully_relayed needs to be true for this
test. I accidentally left the parameter as "true" because it switched from being
"fully_relayed_requires_create_permission" to
"presume_writable_when_fully_relayed", which are inverses of each other.

[honghaiz3, 2016/06/30 01:04:21]

Done.

+  session_->SetIceConfig(config);
   // Bring down the network interface to trigger candidate removals.
   RemoveInterface(rtc::SocketAddress(kClientAddrHost1, kClientAddrPort));
   // Verify that all local candidates are removed.