Simplify IqRequest interface.

remoting/host/heartbeat_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/host/heartbeat_sender.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop_proxy.h"
 #include "base/string_number_conversions.h"
@@ skipping 83 matching lines @@
     remoting::protocol::ConnectionToClient* client) { }
 void HeartbeatSender::OnClientDisconnected(
     remoting::protocol::ConnectionToClient* client) { }
 void HeartbeatSender::OnShutdown() { }
 
 void HeartbeatSender::DoSendStanza() {
   DCHECK(message_loop_->BelongsToCurrentThread());
   DCHECK_EQ(state_, STARTED);
 
   VLOG(1) << "Sending heartbeat stanza to " << kChromotingBotJid;
-  request_->SendIq(buzz::STR_SET, kChromotingBotJid, CreateHeartbeatMessage());
+  request_->SendIq(IqRequest::MakeIqStanza(
+      buzz::STR_SET, kChromotingBotJid, CreateHeartbeatMessage()));
 }
 
 void HeartbeatSender::ProcessResponse(const XmlElement* response) {
   DCHECK(message_loop_->BelongsToCurrentThread());
 
   std::string type = response->Attr(buzz::QN_TYPE);
   if (type == buzz::STR_ERROR) {
     LOG(ERROR) << "Received error in response to heartbeat: "
                << response->Str();
     return;
@@ skipping 52 matching lines @@
       QName(kChromotingXmlNamespace, kSignatureTimeAttr), time_str);
 
   std::string message = full_jid_ + ' ' + time_str;
   std::string signature(key_pair_.GetSignature(message));
   signature_tag->AddText(signature);
 
   return signature_tag;
 }
 
 }  // namespace remoting