toolkit.jar:
*   content/mozapps/xpinstall/xpinstallConfirm.xul              (content/xpinstallConfirm.xul)
*   content/mozapps/xpinstall/xpinstallConfirm.js               (content/xpinstallConfirm.js)
    content/mozapps/xpinstall/xpinstallConfirm.css              (content/xpinstallConfirm.css)
*   content/mozapps/xpinstall/xpinstallItem.xml                 (content/xpinstallItem.xml)