Handle the PROTO_TSL when getting the protocol priority.

webrtc/p2p/client/basicportallocator.cc

 /*
  *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 29 matching lines @@
   MSG_CONFIG_STOP,
 };
 
 const int PHASE_UDP = 0;
 const int PHASE_RELAY = 1;
 const int PHASE_TCP = 2;
 const int PHASE_SSLTCP = 3;
 
 const int kNumPhases = 4;
 
-// Gets protocol priority: UDP > TCP > SSLTCP.
+// Gets protocol priority: UDP == TLS > TCP > SSLTCP.
 int GetProtocolPriority(cricket::ProtocolType protocol) {
   switch (protocol) {
     case cricket::PROTO_UDP:
+    case cricket::PROTO_TLS:

[honghaiz3, 2017/06/27 20:56:30]

Maybe consider PROTO_UDP to be 3?

       return 2;
     case cricket::PROTO_TCP:
       return 1;
     case cricket::PROTO_SSLTCP:
       return 0;
     default:
       RTC_NOTREACHED();
       return 0;
   }
 }
@@ skipping 1464 matching lines @@
   ServerAddresses servers;
   for (size_t i = 0; i < relays.size(); ++i) {
     if (relays[i].type == turn_type && SupportsProtocol(relays[i], type)) {
       servers.insert(relays[i].ports.front().address);
     }
   }
   return servers;
 }
 
 }  // namespace cricket