Support a user-provided string for the TLS ALPN extension.

webrtc/p2p/base/port_unittest.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 518 matching lines @@
     return CreateTurnPort(addr, socket_factory, int_proto, ext_proto,
                           server_addr);
   }
   TurnPort* CreateTurnPort(const SocketAddress& addr,
                            PacketSocketFactory* socket_factory,
                            ProtocolType int_proto, ProtocolType ext_proto,
                            const rtc::SocketAddress& server_addr) {
     return TurnPort::Create(&main_, socket_factory, MakeNetwork(addr), 0, 0,
                             username_, password_,
                             ProtocolAddress(server_addr, int_proto),
-                            kRelayCredentials, 0, std::string());
+                            kRelayCredentials, 0, std::string(),
+                            std::vector<std::string>());
   }
   RelayPort* CreateGturnPort(const SocketAddress& addr,
                              ProtocolType int_proto, ProtocolType ext_proto) {
     RelayPort* port = CreateGturnPort(addr);
     SocketAddress addrs[] =
         { kRelayUdpIntAddr, kRelayTcpIntAddr, kRelaySslTcpIntAddr };
     port->AddServerAddress(ProtocolAddress(addrs[int_proto], int_proto));
     return port;
   }
   RelayPort* CreateGturnPort(const SocketAddress& addr) {
@@ skipping 2339 matching lines @@
       port->CreateConnection(candidate, Port::ORIGIN_MESSAGE);
   EXPECT_NE(conn1, conn2);
   conn_in_use = port->GetConnection(address);
   EXPECT_EQ(conn2, conn_in_use);
   EXPECT_EQ(2u, conn_in_use->remote_candidate().generation());
 
   // Make sure the new connection was not deleted.
   rtc::Thread::Current()->ProcessMessages(300);
   EXPECT_TRUE(port->GetConnection(address) != nullptr);
 }