Refactored to make MDnsSocketFactory return array of sockets.

chrome/tools/service_discovery_sniffer/service_discovery_sniffer.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <vector>
 
 #include "base/at_exit.h"
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 86 matching lines @@
 int main(int argc, char** argv) {
   base::AtExitManager at_exit_manager;
   base::MessageLoopForIO message_loop;
 
   if (argc != 2) {
     printf("Please provide exactly 1 argument.\n");
     return 1;
   }
 
   scoped_ptr<net::MDnsClient> mdns_client = net::MDnsClient::CreateDefault();
-  mdns_client->StartListening();
+  scoped_ptr<net::MDnsSocketFactory> socket_factory =
+      net::MDnsSocketFactory::CreateDefault();
+  mdns_client->StartListening(socket_factory.get());
   scoped_ptr<local_discovery::ServiceDiscoveryClient> service_discovery_client;
   service_discovery_client.reset(
       new local_discovery::ServiceDiscoveryClientImpl(mdns_client.get()));
   {
     // To guarantee/make explicit the ordering constraint.
     local_discovery::ServiceTypePrinter print_changes(
         service_discovery_client.get(),
         std::string(argv[1]) + "._tcp.local");
 
     print_changes.Start();
     message_loop.Run();
   }
 }