Propagate connected user to web app.

remoting/host/register_support_host_request.cc

Index: remoting/host/register_support_host_request.cc
diff --git a/remoting/host/register_support_host_request.cc b/remoting/host/register_support_host_request.cc
index b5a35006f7ccbae92f4b7397e69311fe76442cf8..00045f06f6d2ce978c74eaaf0416c2ec0c5467c9 100644
--- a/remoting/host/register_support_host_request.cc
+++ b/remoting/host/register_support_host_request.cc
@@ -82,7 +82,10 @@ void RegisterSupportHostRequest::OnSignallingDisconnected() {
 // Ignore any notifications other than signalling
 // connected/disconnected events.
 void RegisterSupportHostRequest::OnAccessDenied() { }
-void RegisterSupportHostRequest::OnAuthenticatedClientsChanged(int clients) { }
+void RegisterSupportHostRequest::OnClientAuthenticated(
+    remoting::protocol::ConnectionToClient* client) { }
+void RegisterSupportHostRequest::OnClientDisconnected(
+    remoting::protocol::ConnectionToClient* client) { }
 void RegisterSupportHostRequest::OnShutdown() { }
 
 XmlElement* RegisterSupportHostRequest::CreateRegistrationRequest(