Fix checkValidity for form containing menulist select

Source/core/html/HTMLSelectElement.cpp

Index: Source/core/html/HTMLSelectElement.cpp
diff --git a/Source/core/html/HTMLSelectElement.cpp b/Source/core/html/HTMLSelectElement.cpp
index 3d6008f59fb17047e01b10a2f9a1d833350ff29d..883df3c2263d17e6b85a3e8aa1ff34970d4be5f5 100644
--- a/Source/core/html/HTMLSelectElement.cpp
+++ b/Source/core/html/HTMLSelectElement.cpp
@@ -902,6 +902,8 @@ void HTMLSelectElement::selectOption(int optionIndex, SelectOptionFlags flags)
 
     scrollToSelection();
 
+    setNeedsValidityCheck();
+
     if (usesMenuList()) {
         m_isProcessingUserDrivenChange = flags & UserDriven;
         if (flags & DispatchInputAndChangeEvent)
@@ -914,7 +916,6 @@ void HTMLSelectElement::selectOption(int optionIndex, SelectOptionFlags flags)
         }
     }
 
-    setNeedsValidityCheck();
     notifyFormStateChanged();
 }