Always use chromium threads for IO in remoting host

remoting/host/log_to_server.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/host/log_to_server.h"
 
 #include "base/bind.h"
 #include "base/message_loop_proxy.h"
 #include "remoting/base/constants.h"
 #include "remoting/host/chromoting_host.h"
 #include "remoting/host/server_log_entry.h"
 #include "remoting/jingle_glue/iq_sender.h"
-#include "remoting/jingle_glue/jingle_thread.h"
 #include "remoting/jingle_glue/signal_strategy.h"
 #include "remoting/protocol/transport.h"
 #include "third_party/libjingle/source/talk/xmllite/xmlelement.h"
 #include "third_party/libjingle/source/talk/xmpp/constants.h"
 
 using buzz::QName;
 using buzz::XmlElement;
 
 namespace remoting {
 
@@ skipping 85 matching lines @@
   }
   // Send the stanza to the server.
   scoped_ptr<IqRequest> req = iq_sender_->SendIq(
       buzz::STR_SET, kChromotingBotJid, stanza.Pass(),
       IqSender::ReplyCallback());
   // We ignore any response, so let the IqRequest be destroyed.
   return;
 }
 
 }  // namespace remoting