Add instrumentation to track the IceEndpointType.

webrtc/p2p/base/turnport.cc

 /*
  *  Copyright 2012 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 631 matching lines @@
     // If candidate filter only allows relay type of address, empty raddr to
     // avoid local address leakage.
     related_address = rtc::EmptySocketAddressWithFamily(stun_address.family());
   }
 
   // For relayed candidate, Base is the candidate itself.
   AddAddress(address,          // Candidate address.
              address,          // Base address.
              related_address,  // Related address.
              UDP_PROTOCOL_NAME,
+             ProtoToString(server_address_.proto),  // The first hop protocol.
              "",  // TCP canddiate type, empty for turn candidates.
              RELAY_PORT_TYPE,
              GetRelayPreference(server_address_.proto, server_address_.secure),
-             server_priority_,
-             true);
+             server_priority_, true);
 }
 
 void TurnPort::OnAllocateError() {
   // We will send SignalPortError asynchronously as this can be sent during
   // port initialization. This way it will not be blocking other port
   // creation.
   thread()->Post(this, MSG_ERROR);
 }
 
 void TurnPort::OnMessage(rtc::Message* message) {
@@ skipping 669 matching lines @@
   // bind request as per http://tools.ietf.org/html/rfc5766#section-11.3
   if (code == STUN_ERROR_STALE_NONCE) {
     if (port_->UpdateNonce(response)) {
       // Send channel bind request with fresh nonce.
       SendChannelBindRequest(0);
     }
   }
 }
 
 }  // namespace cricket