const nsString& aEvents, const nsString& aTargets)
const nsAReadableString& aEvents, const nsAReadableString& aTargets)
        Updater(nsIDOMElement* aElement,                const nsString& aEvents,                const nsString& aTargets)            : mElement(aElement),              mEvents(aEvents),              mTargets(aTargets),              mNext(nsnull)        {}