Remove remaining callers of deprecatedShadowAncestorNode

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 1254 matching lines @@
     if (!m_renderer || !m_renderer->hasLayer())
         return 0;
 
     RenderLayer* layer = toRenderBox(m_renderer)->layer();
 
     HitTestRequest request(HitTestRequest::ReadOnly | HitTestRequest::Active);
     HitTestResult hitTestResult = HitTestResult(point);
     layer->hitTest(request, hitTestResult);
     if (!hitTestResult.innerNode())
         return 0;
-    Node* node = hitTestResult.innerNode()->deprecatedShadowAncestorNode();
+
+    Node* node = hitTestResult.innerNode();
+    if (node->isInShadowTree())
+        node = node->shadowHost();
 
     if (isHTMLAreaElement(node))
         return accessibilityImageMapHitTest(toHTMLAreaElement(node), point);
 
     if (isHTMLOptionElement(node))
         node = toHTMLOptionElement(*node).ownerSelectElement();
 
     RenderObject* obj = node->renderer();
     if (!obj)
         return 0;
@@ skipping 1023 matching lines @@
         if (label && label->renderer()) {
             LayoutRect labelRect = axObjectCache()->getOrCreate(label)->elementRect();
             result.unite(labelRect);
         }
     }
 
     return result;
 }
 
 } // namespace WebCore