.getService(Components.interfaces.nsIPrefBranch); 
.getService(Components.interfaces.nsIPrefBranch2); 
function nonBrowserWindowDelayedStartup(){  // loads the services#ifndef MOZ_PLACES_BOOKMARKS  initServices();  initBMService();#endif  // init global pref service  gPrefService = Components.classes["@mozilla.org/preferences-service;1"]                           .getService(Components.interfaces.nsIPrefBranch);  // Set up Sanitize Item  gSanitizeListener = new SanitizeListener();}
5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5459/db810767a394be66b9097a7414e21612b09db75b/browser.js/clean/browser/base/content/browser.js