nsComputedDOMStyle::SetProperty(const nsString& aPropertyName, const nsString& aValue, const nsString& aPriority)
nsComputedDOMStyle::SetProperty(const nsAReadableString& aPropertyName, const nsAReadableString& aValue, const nsAReadableString& aPriority)
nsComputedDOMStyle::SetProperty(const nsString& aPropertyName,                                const nsString& aValue,                                const nsString& aPriority){  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;}