Makes AXNodeObject test if it's a table cell or row before calling isPresentationalInTable.

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 243 matching lines @@
     if (ariaRoleAttribute() != UnknownRole)
         return 0;
 
     AXObject* parent = parentObject();
     if (!parent)
         return 0;
 
     HTMLElement* element = nullptr;
     if (node() && node()->isHTMLElement())
         element = toHTMLElement(node());
-    if (!parent->hasInheritedPresentationalRole()
-        && !isPresentationalInTable(parent, element))
-        return 0;
+    if (!parent->hasInheritedPresentationalRole()) {
+        if (!layoutObject() || !layoutObject()->isBoxModelObject())
+            return 0;
+
+        LayoutBoxModelObject* cssBox = toLayoutBoxModelObject(layoutObject());
+        if (!cssBox->isTableCell() && !cssBox->isTableRow())
+            return 0;
+
+        if (!isPresentationalInTable(parent, element))
+            return 0;
+    }
     // ARIA spec says that when a parent object is presentational and this object
     // is a required owned element of that parent, then this object is also presentational.
     if (isRequiredOwnedElement(parent, roleValue(), element))
         return parent;
     return 0;
 }
 
 bool AXNodeObject::isDescendantOfElementType(const HTMLQualifiedName& tagName) const
 {
     if (!node())
@@ skipping 1941 matching lines @@
         ariaLabeledByElements(elements);
 
         for (const auto& element : elements) {
             RefPtr<AXObject> axElement = axObjectCache()->getOrCreate(element);
             textOrder.append(AccessibilityText(ariaLabeledBy, AlternativeText, axElement));
         }
     }
 }
 
 } // namespace blink