Index: Source/core/html/HTMLFieldSetElement.idl |
diff --git a/Source/core/html/HTMLFieldSetElement.idl b/Source/core/html/HTMLFieldSetElement.idl |
index 94d9f0f60aac518efddcebf08fd7d6a0914db34a..e8fcd531a420f36bfb89fb0efdff81c4d9e7abfe 100644 |
--- a/Source/core/html/HTMLFieldSetElement.idl |
+++ b/Source/core/html/HTMLFieldSetElement.idl |
@@ -30,5 +30,5 @@ interface HTMLFieldSetElement : HTMLElement { |
readonly attribute ValidityState validity; |
readonly attribute DOMString validationMessage; |
boolean checkValidity(); |
- void setCustomValidity([TreatNullAs=NullString, TreatUndefinedAs=NullString] DOMString error); |
+ void setCustomValidity([TreatUndefinedAs=NullString] DOMString? error); |
}; |