Use a direct include of strings headers in remoting/.

remoting/jingle_glue/iq_sender.cc

 // Copyright (c) 2012 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 "remoting/jingle_glue/iq_sender.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/single_thread_task_runner.h"
-#include "base/string_number_conversions.h"
+#include "base/strings/string_number_conversions.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/time.h"
 #include "remoting/jingle_glue/signal_strategy.h"
 #include "third_party/libjingle/source/talk/xmllite/xmlelement.h"
 #include "third_party/libjingle/source/talk/xmpp/constants.h"
 
 namespace remoting {
 
 // static
 scoped_ptr<buzz::XmlElement> IqSender::MakeIqStanza(
@@ skipping 146 matching lines @@
   base::ThreadTaskRunnerHandle::Get()->PostTask(
       FROM_HERE, base::Bind(&IqRequest::DeliverResponse, AsWeakPtr(),
                             base::Passed(&stanza_copy)));
 }
 
 void IqRequest::DeliverResponse(scoped_ptr<buzz::XmlElement> stanza) {
   CallCallback(stanza.get());
 }
 
 }  // namespace remoting