rem: function HandlerService() {} 
add: function HandlerService() { this._init(); } 
context: function HandlerService() {}
meta: 10520	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10520/146bb64db984c4ef5c51e3b0ec885db2f4a0948d/nsHandlerService.js/buggy/uriloader/exthandler/nsHandlerService.js