Fixing mapping conflicts for required html attribute and aria-required

Source/modules/accessibility/AXNodeObject.cpp

Index: Source/modules/accessibility/AXNodeObject.cpp
diff --git a/Source/modules/accessibility/AXNodeObject.cpp b/Source/modules/accessibility/AXNodeObject.cpp
index 09883e6104ac1c15b031829f0539f4cc86626894..6b9bf8b09f5030ffa6a3f2ed4c3f37b3541cedfc 100644
--- a/Source/modules/accessibility/AXNodeObject.cpp
+++ b/Source/modules/accessibility/AXNodeObject.cpp
@@ -799,13 +799,13 @@ bool AXNodeObject::isReadOnly() const
 
 bool AXNodeObject::isRequired() const
 {
-    if (equalIgnoringCase(getAttribute(aria_requiredAttr), "true"))
-        return true;
-
     Node* n = this->node();
     if (n && (n->isElementNode() && toElement(n)->isFormControlElement()))
         return toHTMLFormControlElement(n)->isRequired();
 
+    if (equalIgnoringCase(getAttribute(aria_requiredAttr), "true"))
+        return true;
+
     return false;
 }