LibWeb: Unify check_validity for form associated elements

Author: https://github.com/tete17
Commit: af88a43e9a
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/6024
Reviewed-by: https://github.com/tcl3 ✅

Libraries/LibWeb/HTML/FormAssociatedElement.cpp

@@ -244,6 +244,13 @@ bool FormAssociatedElement::report_validity()
     return report_validity_steps();
 }
 
+// https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#dom-cva-checkvalidity
+bool FormAssociatedElement::check_validity()
+{
+    // The checkValidity() method, when invoked, must run the check validity steps on this element.
+    return check_validity_steps();
+}
+
 // https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#check-validity-steps
 bool FormAssociatedElement::check_validity_steps()
 {