Notify calling web-app when Host plugin becomes connected to a client.

remoting/host/register_support_host_request.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/register_support_host_request.h"
 
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/string_number_conversions.h"
 #include "base/time.h"
@@ skipping 60 matching lines @@
     // XMPP connection attempt fails.
     CHECK(!callback_.is_null());
     DCHECK(!request_.get());
     callback_.Run(false, std::string());
     return;
   }
   DCHECK_EQ(message_loop_, MessageLoop::current());
   request_.reset();
 }
 
+void RegisterSupportHostRequest::OnAuthenticatedClientsChanged(int clients) {
+}
+
 void RegisterSupportHostRequest::OnShutdown() {
 }
 
 XmlElement* RegisterSupportHostRequest::CreateRegistrationRequest(
     const std::string& jid) {
   XmlElement* query = new XmlElement(
       QName(kChromotingXmlNamespace, kRegisterQueryTag));
   XmlElement* public_key = new XmlElement(
       QName(kChromotingXmlNamespace, kPublicKeyTag));
   public_key->AddText(key_pair_.GetPublicKey());
@@ skipping 53 matching lines @@
 
 
 void RegisterSupportHostRequest::ProcessResponse(const XmlElement* response) {
   DCHECK_EQ(message_loop_, MessageLoop::current());
   std::string support_id;
   bool result = ParseResponse(response, &support_id);
   callback_.Run(result, support_id);
 }
 
 }  // namespace remoting