add: var promptService = Cc["@mozilla.org/embedcomp/prompt-service;1"]. getService(Ci.nsIPromptService); 
context:   _removeMasterPassword: function ()  {    var secmodDB = Components.classes["@mozilla.org/security/pkcs11moduledb;1"]                              .getService(Components.interfaces.nsIPKCS11ModuleDB);    if (secmodDB.isFIPSEnabled) {      var bundle = document.getElementById("bundlePreferences");      promptService.alert(window,                          bundle.getString("pw_change_failed_title"),                          bundle.getString("pw_change2empty_in_fips_mode"));    }    else {      document.documentElement.openSubDialog("chrome://mozapps/content/preferences/removemp.xul",                                             "", null);    }    this._initMasterPasswordUI();  },
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/8395/e7c2cecff14eb22d0533f30b298b0243d5ff0b49/security.js/buggy/browser/components/preferences/security.js