Implement timeouts for IQ requests.

remoting/host/heartbeat_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/host/heartbeat_sender.h"
 
 #include <math.h>
 
 #include "base/bind.h"
 #include "base/logging.h"
@@ skipping 88 matching lines @@
 
 void HeartbeatSender::DoSendStanza() {
   VLOG(1) << "Sending heartbeat stanza to " << kChromotingBotJid;
   request_ = iq_sender_->SendIq(
       buzz::STR_SET, kChromotingBotJid, CreateHeartbeatMessage(),
       base::Bind(&HeartbeatSender::ProcessResponse,
                  base::Unretained(this)));
   ++sequence_id_;
 }
 
-void HeartbeatSender::ProcessResponse(const XmlElement* response) {
+void HeartbeatSender::ProcessResponse(IqRequest* request,
+                                      const XmlElement* response) {
   std::string type = response->Attr(buzz::QN_TYPE);
   if (type == buzz::STR_ERROR) {
     const XmlElement* error_element =
         response->FirstNamed(QName(buzz::NS_CLIENT, kErrorTag));
     if (error_element) {
       if (error_element->FirstNamed(QName(buzz::NS_STANZA, kNotFoundTag))) {
         // TODO(lambroslambrou): Trigger an application-defined callback to
         // shut down the host properly, instead of just exiting here
         // (http://crbug.com/112160).
         LOG(ERROR) << "Received error: Host ID invalid";
@@ skipping 103 matching lines @@
 
   std::string message = signal_strategy_->GetLocalJid() + ' ' +
       base::IntToString(sequence_id_);
   std::string signature(key_pair_->GetSignature(message));
   signature_tag->AddText(signature);
 
   return signature_tag.Pass();
 }
 
 }  // namespace remoting