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