Implement AccessibleNode.hasPopUp for Accessibility Object Model phase 1

third_party/WebKit/Source/modules/accessibility/AXLayoutObject.cpp

 /*
 * Copyright (C) 2008 Apple 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 1261 matching lines @@
   AccessibilityChildrenFromAOMProperty(AOMRelationListProperty::kDescribedBy,
                                        describedby);
 }
 
 void AXLayoutObject::AriaLabelledbyElements(AXObjectVector& labelledby) const {
   AccessibilityChildrenFromAOMProperty(AOMRelationListProperty::kLabeledBy,
                                        labelledby);
 }
 
 bool AXLayoutObject::AriaHasPopup() const {
-  return ElementAttributeValue(aria_haspopupAttr);
+  const AtomicString& has_popup =
+      GetAOMPropertyOrARIAAttribute(AOMStringProperty::kHasPopUp);
+
+  return !has_popup.IsNull() && !has_popup.IsEmpty() &&
+         !EqualIgnoringASCIICase(has_popup, "false");
 }
 
 bool AXLayoutObject::AriaRoleHasPresentationalChildren() const {
   switch (aria_role_) {
     case kButtonRole:
     case kSliderRole:
     case kImageRole:
     case kProgressIndicatorRole:
     case kSpinButtonRole:
       // case SeparatorRole:
@@ skipping 1232 matching lines @@
 
 bool AXLayoutObject::ElementAttributeValue(
     const QualifiedName& attribute_name) const {
   if (!layout_object_)
     return false;
 
   return EqualIgnoringASCIICase(GetAttribute(attribute_name), "true");
 }
 
 }  // namespace blink