rem: var uri = ioService.newURI(spec, null); 
add: var uri = ioService.newURI(spec, null, null); 
context: function downloadHTTP(spec){    var ioService = getIOService();    var uri = ioService.newURI(spec, null);    var channel = ioService.newChannelFromURI(uri);    var input = wrapInputStream(channel.open());    var data = input.read(input.available());    input.close();    return data;}
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/f1a6738b6c82751832a5c9088202a4a2b5717fdb/TestCachePerformance.js/clean/netwerk/test/TestCachePerformance.js