1 files changed, 5 insertions, 5 deletions
diff --git a/components/script/dom/webidls/HTMLButtonElement.webidl b/components/script/dom/webidls/HTMLButtonElement.webidl
index a5eaebef19e..a221f6669cf 100644
--- a/components/script/dom/webidls/HTMLButtonElement.webidl
+++ b/components/script/dom/webidls/HTMLButtonElement.webidl
@@ -30,12 +30,12 @@ interface HTMLButtonElement : HTMLElement {
            attribute DOMString value;
   //         attribute HTMLMenuElement? menu;
 
-  //readonly attribute boolean willValidate;
+  readonly attribute boolean willValidate;
   readonly attribute ValidityState validity;
-  //readonly attribute DOMString validationMessage;
-  //boolean checkValidity();
-  //boolean reportValidity();
-  //void setCustomValidity(DOMString error);
+  readonly attribute DOMString validationMessage;
+  boolean checkValidity();
+  boolean reportValidity();
+  void setCustomValidity(DOMString error);
 
   readonly attribute NodeList labels;
 };