Refactor SignalStrategy so that it can be reused for multiple connections.

remoting/jingle_glue/iq_sender.cc

 // Copyright (c) 2011 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/logging.h"
 #include "base/string_number_conversions.h"
 #include "remoting/jingle_glue/signal_strategy.h"
 #include "third_party/libjingle/source/talk/xmllite/xmlelement.h"
@@ skipping 48 matching lines @@
   while (it != requests_.end()) {
     IqRequestMap::iterator cur = it;
     ++it;
     if (cur->second == request) {
       requests_.erase(cur);
       break;
     }
   }
 }
 
-bool IqSender::OnIncomingStanza(const buzz::XmlElement* stanza) {
+void IqSender::OnSignalStrategyStateChange(SignalStrategy::State state) {
+}
+
+bool IqSender::OnSignalStrategyIncomingStanza(const buzz::XmlElement* stanza) {
   if (stanza->Name() != buzz::QN_IQ) {
     LOG(WARNING) << "Received unexpected non-IQ packet " << stanza->Str();
     return false;
   }
 
   const std::string& type = stanza->Attr(buzz::QN_TYPE);
   if (type.empty()) {
     LOG(WARNING) << "IQ packet missing type " << stanza->Str();
     return false;
   }
@@ skipping 30 matching lines @@
 }
 
 void IqRequest::OnResponse(const buzz::XmlElement* stanza) {
   DCHECK(!callback_.is_null());
   IqSender::ReplyCallback callback(callback_);
   callback_.Reset();
   callback.Run(stanza);
 }
 
 }  // namespace remoting