add: Components.returnCode = Components.results.NS_OK; 
context:     LoadPACFromURL: function(uri, ioService) {        this.done = false;        var channel = ioService.newChannelFromURI(uri);        // don't cache the PAC content        channel.loadFlags |= nsIRequest.LOAD_BYPASS_CACHE;        pacURL = uri.spec;        channel.asyncOpen(this, null);    },
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/83d17cf5cf0ec1b5b2d206a8600050e9426eaa09/nsProxyAutoConfig.js/clean/netwerk/base/src/nsProxyAutoConfig.js