[cros] WebUI: use correct visibility for StatusArea on boot.

chrome/browser/chromeos/login/webui_login_view.h

 // Copyright (c) 2011 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_WEBUI_LOGIN_VIEW_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_WEBUI_LOGIN_VIEW_H_
 #pragma once
 
 #include "chrome/browser/chromeos/login/login_html_dialog.h"
 #include "chrome/browser/chromeos/status/status_area_host.h"
@@ skipping 117 matching lines @@
 
   // Proxy settings dialog that can be invoked from network menu.
   scoped_ptr<LoginHtmlDialog> proxy_settings_dialog_;
 
   // Watches webui_login_'s TabContents rendering.
   scoped_ptr<TabFirstRenderWatcher> tab_watcher_;
 
   // Whether the host window is frozen.
   bool host_window_frozen_;
 
+  // Caches StatusArea visibility setting before it has been initialized.
+  bool status_area_visibility_on_init_;
+
   DISALLOW_COPY_AND_ASSIGN(WebUILoginView);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_WEBUI_LOGIN_VIEW_H_