rem: for (var j = 0, len = kServiceCats.length; j < len; j++) { 
add: var len = kServiceCats.length; for (var j = 0, j < len; j++) { 
context:   unregisterSelf: function(compMgr, fileSpec, location)   {    compMgr.QueryInterface(Components.interfaces.nsIComponentRegistrar)           .unregisterFactoryLocation(kServiceCId, fileSpec);    const catman = Components.classes['@mozilla.org/categorymanager;1']                             .getService(Components.interfaces.nsICategoryManager);    for (var j = 0, len = kServiceCats.length; j < len; j++) {      catman.deleteCategoryEntry(kServiceCats[j], kServiceCtrId, true);    }  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/0f80fae371295c7c02bb7cbc9fcb0f5971101218/nsBrowserGlue.js/buggy/browser/components/nsBrowserGlue.js