rem: safebrowsing.controller.shutdown(); 
add: if (safebrowsing.controller) {  safebrowsing.controller.shutdown(); } if (safebrowsing.phishWarden) { safebrowsing.phishWarden.shutdown(); }  
context:   shutdown: function() {    safebrowsing.controller.shutdown();    window.removeEventListener("unload", safebrowsing.shutdown, false);  }
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/3ca57df007325b6d5ddab275f01cee4cc4c3e66c/sb-loader.js/clean/browser/components/safebrowsing/content/sb-loader.js