remove memoryinstrumentation

Source/core/dom/TreeScope.cpp

 /*
  * Copyright (C) 2011 Google Inc. All Rights Reserved.
  * Copyright (C) 2012 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 364 matching lines @@
         if (node == rootNode())
             return targetStack.last();
         if (node->isShadowRoot()) {
             ASSERT(!targetStack.isEmpty());
             targetStack.removeLast();
         }
     }
     return 0;
 }
 
-void TreeScope::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
-{
-    MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::DOM);
-    info.addMember(m_rootNode, "rootNode");
-    info.addMember(m_parentTreeScope, "parentTreeScope");
-    info.addMember(m_elementsById, "elementsById");
-    info.addMember(m_imageMapsByName, "imageMapsByName");
-    info.addMember(m_labelsByForAttribute, "labelsByForAttribute");
-    info.addMember(m_idTargetObserverRegistry, "idTargetObserverRegistry");
-    info.addMember(m_selection, "selection");
-    info.addMember(m_documentScope, "documentScope");
-
-}
-
 static void listTreeScopes(Node* node, Vector<TreeScope*, 5>& treeScopes)
 {
     while (true) {
         treeScopes.append(node->treeScope());
         Element* ancestor = node->shadowHost();
         if (!ancestor)
             break;
         node = ancestor;
     }
 }
@@ skipping 34 matching lines @@
 #endif
 
 int TreeScope::refCount() const
 {
     if (Node* root = rootNode())
         return root->refCount();
     return 0;
 }
 
 } // namespace WebCore