void*           aPropertyValue, void*           aDtorData)
void*           aPropertyValue)
DestroyOverflowOOFs(void*           aFrame,                    nsIAtom*        aPropertyName,                    void*           aPropertyValue,                    void*           aDtorData){  NS_NOTREACHED("This helper method should never be called!");  delete NS_STATIC_CAST(nsFrameList*, aPropertyValue);}