Summary tag is exposed with wrong IA2 Role

Source/core/accessibility/AXRenderObject.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 262 matching lines @@
         return LinkRole;
     }
     if (cssBox && cssBox->isListItem())
         return ListItemRole;
     if (m_renderer->isListMarker())
         return ListMarkerRole;
     if (isHTMLButtonElement(node))
         return buttonRoleType();
     if (isHTMLDetailsElement(node))
         return DetailsRole;
+    if (isHTMLSummaryElement(node)) {
+        if (node->parentElement() && isHTMLDetailsElement(node->parentElement()))
+            return DisclosureTriangleRole;
+        return UnknownRole;
+    }
     if (isHTMLLegendElement(node))
         return LegendRole;
     if (m_renderer->isText())
         return StaticTextRole;
     if (cssBox && cssBox->isImage()) {
         if (isHTMLInputElement(node))
             return ariaHasPopup() ? PopUpButtonRole : ButtonRole;
         if (isSVGImage())
             return SVGRootRole;
         return ImageRole;
@@ skipping 2056 matching lines @@
         if (label && label->renderer()) {
             LayoutRect labelRect = axObjectCache()->getOrCreate(label)->elementRect();
             result.unite(labelRect);
         }
     }
 
     return result;
 }
 
 } // namespace blink