Fix cros multi-profile sign in visibility bug

chrome/browser/chromeos/login/login_display_host_impl.cc

Index: chrome/browser/chromeos/login/login_display_host_impl.cc
diff --git a/chrome/browser/chromeos/login/login_display_host_impl.cc b/chrome/browser/chromeos/login/login_display_host_impl.cc
index 1a9cb251da1b058e80095247dee7965e39a39341..48d43cc7bab65e9c350ebccf2be179fbee498a59 100644
--- a/chrome/browser/chromeos/login/login_display_host_impl.cc
+++ b/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,