Add disabled certificate check support to IceServer PeerConnection API.

webrtc/p2p/base/turnport.cc

Index: webrtc/p2p/base/turnport.cc
diff --git a/webrtc/p2p/base/turnport.cc b/webrtc/p2p/base/turnport.cc
index d2d9126c7a302ba35bc04999ef83ddf09e9175a8..f97642e6bd81e103e44682b6fd5221aac97cc99e 100644
--- a/webrtc/p2p/base/turnport.cc
+++ b/webrtc/p2p/base/turnport.cc
@@ -329,8 +329,14 @@ bool TurnPort::CreateTurnClientSocket() {
 
     // Apply server address TLS and insecure bits to options.
     if (server_address_.proto == PROTO_TLS) {
-      opts |= rtc::PacketSocketFactory::OPT_TLS;
+      if (tls_cert_policy_ ==
+          TlsCertPolicy::TLS_CERT_POLICY_INSECURE_NO_CHECK) {
+        opts |= rtc::PacketSocketFactory::OPT_TLS_INSECURE;
+      } else {
+        opts |= rtc::PacketSocketFactory::OPT_TLS;
+      }
     }
+
     socket_ = socket_factory()->CreateClientTcpSocket(
         rtc::SocketAddress(ip(), 0), server_address_.address,
         proxy(), user_agent(), opts);