Fix cros multi-profile sign in visibility bug

Turns out that this cleanup introduced regression
 https://codereview.chromium.org/16105005/

BUG=244224
NOTRY=true

Review URL: https://chromiumcodereview.appspot.com/16114008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@202961 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/chromeos/login/login_display_host_impl.cc

@@ -246,7 +246,8 @@ LoginDisplayHostImpl::LoginDisplayHostImpl(const gfx::Rect& background_bounds)
 
   // When we wait for WebUI to be initialized we wait for one of
   // these notifications.
-  if (waiting_for_user_pods_ && initialize_webui_hidden_) {
+  if ((waiting_for_user_pods_ || waiting_for_wallpaper_load_)
+      && initialize_webui_hidden_) {
     registrar_.Add(this, chrome::NOTIFICATION_LOGIN_WEBUI_VISIBLE,
                    content::NotificationService::AllSources());
     registrar_.Add(this, chrome::NOTIFICATION_LOGIN_NETWORK_ERROR_SHOWN,