Revert of Revert of Move service_discovery_client_impl.* into chrome/common.

chrome/utility/local_discovery/service_discovery_message_handler.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 "chrome/utility/local_discovery/service_discovery_message_handler.h"
 
 #include <algorithm>
 
 #include "base/lazy_instance.h"
 #include "chrome/common/local_discovery/local_discovery_messages.h"
-#include "chrome/utility/local_discovery/service_discovery_client_impl.h"
+#include "chrome/common/local_discovery/service_discovery_client_impl.h"
 #include "content/public/utility/utility_thread.h"
 #include "net/socket/socket_descriptor.h"
 #include "net/udp/datagram_server_socket.h"
 
 namespace local_discovery {
 
 namespace {
 
 void ClosePlatformSocket(net::SocketDescriptor socket);
 
@@ skipping 444 matching lines @@
           id, success, address_ipv4, address_ipv6));
 }
 
 void ServiceDiscoveryMessageHandler::Send(IPC::Message* msg) {
   utility_task_runner_->PostTask(FROM_HERE,
                                  base::Bind(&SendHostMessageOnUtilityThread,
                                             msg));
 }
 
 }  // namespace local_discovery