Fix cros multi-profile sign in visibility bug

chrome/browser/chromeos/login/login_display_host_impl.cc

 // Copyright (c) 2012 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 "chrome/browser/chromeos/login/login_display_host_impl.h"
 
 #include <vector>
 
 #include "ash/desktop_background/desktop_background_controller.h"
 #include "ash/desktop_background/user_wallpaper_delegate.h"
@@ skipping 228 matching lines @@
   if (chromeos::KioskModeSettings::Get()->IsKioskModeEnabled())
     initialize_webui_hidden_ = false;
 
   if (waiting_for_wallpaper_load_) {
     registrar_.Add(this, chrome::NOTIFICATION_WALLPAPER_ANIMATION_FINISHED,
                    content::NotificationService::AllSources());
   }
 
   // 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,
                    content::NotificationService::AllSources());
   }
   LOG(INFO) << "Login WebUI >> "
             << "zero_delay: " << zero_delay_enabled
             << " wait_for_wp_load_: " << waiting_for_wallpaper_load_
             << " wait_for_pods_: " << waiting_for_user_pods_
             << " init_webui_hidden_: " << initialize_webui_hidden_;
@@ skipping 653 matching lines @@
   VLOG(1) << "Initial time zone: " << timezone_name;
   // Apply locale customizations only once to preserve whatever locale
   // user has changed to during OOBE.
   if (!timezone_name.empty()) {
     chromeos::system::TimezoneSettings::GetInstance()->SetTimezoneFromID(
         UTF8ToUTF16(timezone_name));
   }
 }
 
 }  // namespace chromeos