Add disabled certificate check support to IceServer PeerConnection API.

webrtc/api/webrtcsdp.cc

Index: webrtc/api/webrtcsdp.cc
diff --git a/webrtc/api/webrtcsdp.cc b/webrtc/api/webrtcsdp.cc
index d78112c1680e86ed1b6b20d9105ca6a48a3dd74e..a12272e29993b2cca9488962da3ae962107e3857 100644
--- a/webrtc/api/webrtcsdp.cc
+++ b/webrtc/api/webrtcsdp.cc
@@ -1032,7 +1032,8 @@ bool ParseCandidate(const std::string& message, Candidate* candidate,
   SocketAddress address(connection_address, port);
 
   cricket::ProtocolType protocol;
-  if (!StringToProto(transport.c_str(), &protocol)) {
+  if (!StringToProto(transport.c_str(), &protocol) ||
+      protocol == cricket::PROTO_TLS) {

[pthatcher1, 2016/12/07 21:29:35]

It seems like we should have StringToProtocol and StringToRelayProtocol, since
they apparently do different things.  That would be more clear here.

[Taylor Brandstetter, 2016/12/08 01:36:40]

I don't follow this comment. What does different things?

[pthatcher1, 2016/12/08 02:36:13]

Nevermind.  I misunderstood this code.

[hnsl1, 2016/12/12 16:08:13]

Acknowledged.

     return ParseFailed(first_line, "Unsupported transport type.", error);
   }