rem: leakDetector.vtable.traceObject(document, leakDetector.verbose); 
add: leakDetector.traceObject(document, leakDetector.verbose); 
context: function traceChrome(){    leakDetector.vtable.traceObject(document, leakDetector.verbose);}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/987b815dbfd1ba586dd0e1f5d535ec1a9b2d95fa/navigator.js/buggy/xpfe/browser/resources/content/navigator.js