Revert of Initial skeleton of Accessibility Object Model Phase 1

third_party/WebKit/Source/core/dom/ElementRareData.h

Index: third_party/WebKit/Source/core/dom/ElementRareData.h
diff --git a/third_party/WebKit/Source/core/dom/ElementRareData.h b/third_party/WebKit/Source/core/dom/ElementRareData.h
index 0875de0bd6107cd6d68ae2859ea28cb53d8c5aa8..b14fe2c7e5ed3b603198da6ae5b4c118399c646c 100644
--- a/third_party/WebKit/Source/core/dom/ElementRareData.h
+++ b/third_party/WebKit/Source/core/dom/ElementRareData.h
@@ -22,11 +22,9 @@
 #ifndef ElementRareData_h
 #define ElementRareData_h
 
-#include <memory>
 #include "bindings/core/v8/ScriptWrappableVisitor.h"
 #include "core/animation/ElementAnimations.h"
 #include "core/css/cssom/InlineStylePropertyMap.h"
-#include "core/dom/AccessibleNode.h"
 #include "core/dom/Attr.h"
 #include "core/dom/CompositorProxiedPropertySet.h"
 #include "core/dom/DatasetDOMStringMap.h"
@@ -41,6 +39,7 @@
 #include "core/html/ClassList.h"
 #include "platform/heap/Handle.h"
 #include "wtf/HashSet.h"
+#include <memory>
 
 namespace blink {
 
@@ -154,15 +153,6 @@
     return m_customElementDefinition.get();
   }
 
-  AccessibleNode* accessibleNode() const { return m_accessibleNode.get(); }
-  AccessibleNode* ensureAccessibleNode(Element* ownerElement) {
-    if (!m_accessibleNode) {
-      m_accessibleNode = new AccessibleNode(ownerElement);
-      ScriptWrappableVisitor::writeBarrier(this, m_accessibleNode);
-    }
-    return m_accessibleNode;
-  }
-
   AttrNodeList& ensureAttrNodeList();
   AttrNodeList* attrNodeList() { return m_attrNodeList.get(); }
   void removeAttrNodeList() { m_attrNodeList.clear(); }
@@ -220,8 +210,6 @@
 
   Member<PseudoElementData> m_pseudoElementData;
 
-  Member<AccessibleNode> m_accessibleNode;
-
   explicit ElementRareData(LayoutObject*);
 };