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

remoting/host/heartbeat_sender.cc

 // Copyright (c) 2010 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/logging.h"
 #include "base/message_loop.h"
 #include "base/string_number_conversions.h"
 #include "base/time.h"
@@ skipping 71 matching lines @@
 void HeartbeatSender::OnSignallingDisconnected() {
   DCHECK_EQ(MessageLoop::current(), message_loop_);
   DCHECK_EQ(state_, STARTED);
   state_ = STOPPED;
   request_.reset(NULL);
 }
 
 // Ignore any notifications other than signalling
 // connected/disconnected events.
 void HeartbeatSender::OnAccessDenied() { }
+void HeartbeatSender::OnAuthenticatedClientsChanged(int clients) { }
 void HeartbeatSender::OnShutdown() { }
 
 void HeartbeatSender::DoSendStanza() {
   DCHECK_EQ(MessageLoop::current(), message_loop_);
   DCHECK_EQ(state_, STARTED);
 
   VLOG(1) << "Sending heartbeat stanza to " << kChromotingBotJid;
   request_->SendIq(buzz::STR_SET, kChromotingBotJid, CreateHeartbeatMessage());
 }
 
@@ skipping 60 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