Aria-required not working for Input elements on Mac & Win.

Source/modules/accessibility/AXNodeObject.cpp

 /*
 * Copyright (C) 2012, Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 1029 matching lines @@
         if (input.isTextField())
             return input.isReadOnly();
     }
 
     return !node->hasEditableStyle();
 }
 
 bool AXNodeObject::isRequired() const
 {
     Node* n = this->node();
-    if (n && (n->isElementNode() && toElement(n)->isFormControlElement()))
+    if (n && (n->isElementNode() && toElement(n)->isFormControlElement()) && hasAttribute(requiredAttr))
         return toHTMLFormControlElement(n)->isRequired();
 
     if (equalIgnoringCase(getAttribute(aria_requiredAttr), "true"))
         return true;
 
     return false;
 }
 
 bool AXNodeObject::canSetFocusAttribute() const
 {
@@ skipping 1270 matching lines @@
         ariaLabeledByElements(elements);
 
         for (const auto& element : elements) {
             RefPtr<AXObject> axElement = axObjectCache()->getOrCreate(element);
             textOrder.append(AccessibilityText(ariaLabeledBy, AlternativeText, axElement));
         }
     }
 }
 
 } // namespace blink