Fix multiple definitions of BasicPacketSocketFactory error and add stunprober in GN.

webrtc/p2p/stunprober/main.cc

 /*
  *  Copyright 2015 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.
  */
 
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include <iostream>
 #include <map>
 #include <memory>
 
 #include "webrtc/base/checks.h"
 #include "webrtc/base/flags.h"
 #include "webrtc/base/helpers.h"
 #include "webrtc/base/nethelpers.h"
 #include "webrtc/base/network.h"
 #include "webrtc/base/logging.h"
 #include "webrtc/base/ssladapter.h"
 #include "webrtc/base/stringutils.h"
 #include "webrtc/base/thread.h"
 #include "webrtc/base/timeutils.h"
-#include "webrtc/p2p/base/basicpacketsocketfactory.cc"
+#include "webrtc/p2p/base/basicpacketsocketfactory.h"
 #include "webrtc/p2p/stunprober/stunprober.h"
 
 using stunprober::StunProber;
 using stunprober::AsyncCallback;
 
 DEFINE_bool(help, false, "Prints this message");
 DEFINE_int(interval, 10, "Interval of consecutive stun pings in milliseconds");
 DEFINE_bool(shared_socket, false, "Share socket mode for different remote IPs");
 DEFINE_int(pings_per_ip,
            10,
@@ skipping 91 matching lines @@
   auto finish_callback = [thread](StunProber* prober, int result) {
     StopTrial(thread, prober, result);
   };
   prober->Start(server_addresses, FLAG_shared_socket, FLAG_interval,
                 FLAG_pings_per_ip, FLAG_timeout,
                 AsyncCallback(finish_callback));
   thread->Run();
   delete prober;
   return 0;
 }