rem: !iid.equals(nsISupports)) throw Components.results.NS_ERROR_NO_INTERFACE; 
add: !iid.equals(nsISupports)) { Components.returnCode = Cr.NS_ERROR_NO_INTERFACE; return null; } 
context:   QueryInterface: function(iid)  {    if (!iid.equals(nsIClassInfo) &&        !iid.equals(nsISupports))      throw Components.results.NS_ERROR_NO_INTERFACE;    return this;  },
meta: 3444	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/3444/69ede0113cbce67841acc3daa9a68fc887b7a083/cookie-jar-selector.js/buggy/src/components/cookie-jar-selector.js