Do not delete a connection in the turn port with permission error or refresh error.

webrtc/base/virtualsocketserver.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 493 matching lines @@
   send_buffer_.insert(send_buffer_.end(), cpv, cpv + consumed);
   server_->SendTcp(this);
   return static_cast<int>(consumed);
 }
 
 VirtualSocketServer::VirtualSocketServer(SocketServer* ss)
     : server_(ss),
       server_owned_(false),
       msg_queue_(NULL),
       stop_on_idle_(false),
-      network_delay_(TimeMillis()),
+      network_delay_(0),
       next_ipv4_(kInitialNextIPv4),
       next_ipv6_(kInitialNextIPv6),
       next_port_(kFirstEphemeralPort),
       bindings_(new AddressMap()),
       connections_(new ConnectionMap()),
       bandwidth_(0),
       network_capacity_(kDefaultNetworkCapacity),
       send_buffer_capacity_(kDefaultTcpBufferSize),
       recv_buffer_capacity_(kDefaultTcpBufferSize),
       delay_mean_(0),
@@ skipping 616 matching lines @@
 void VirtualSocketServer::SetDefaultRoute(const IPAddress& from_addr) {
   RTC_DCHECK(!IPIsAny(from_addr));
   if (from_addr.family() == AF_INET) {
     default_route_v4_ = from_addr;
   } else if (from_addr.family() == AF_INET6) {
     default_route_v6_ = from_addr;
   }
 }
 
 }  // namespace rtc