Propagate connected user to web app.

remoting/host/chromoting_host.cc

Index: remoting/host/chromoting_host.cc
diff --git a/remoting/host/chromoting_host.cc b/remoting/host/chromoting_host.cc
index a1e0e5197914de614363758ade03b0a35eb87e47..9398d3d9d2e6365a9f5621170e7be4e4b2658692 100644
--- a/remoting/host/chromoting_host.cc
+++ b/remoting/host/chromoting_host.cc
@@ -402,7 +402,7 @@ void ChromotingHost::OnClientDisconnected(ConnectionToClient* connection) {
   if (old_authenticated_clients != authenticated_clients) {
     for (StatusObserverList::iterator it = status_observers_.begin();
          it != status_observers_.end(); ++it) {
-      (*it)->OnAuthenticatedClientsChanged(authenticated_clients);
+      (*it)->OnClientDisconnected(connection);
     }
   }
 
@@ -518,7 +518,7 @@ void ChromotingHost::LocalLoginSucceeded(
   // Notify observers that there is at least one authenticated client.
   for (StatusObserverList::iterator it = status_observers_.begin();
        it != status_observers_.end(); ++it) {
-    (*it)->OnAuthenticatedClientsChanged(AuthenticatedClientsCount());
+    (*it)->OnClientAuthenticated(connection);
   }
 }