Oilpan: leave out TreeScope::dispose().

Source/core/dom/TreeScope.h

 /*
  * 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 80 matching lines @@
     // quirks mode for historical compatibility reasons.
     Element* findAnchor(const String& name);
 
     // Used by the basic DOM mutation methods (e.g., appendChild()).
     void adoptIfNeeded(Node&);
 
     ContainerNode& rootNode() const { return *m_rootNode; }
 
     IdTargetObserverRegistry& idTargetObserverRegistry() const { return *m_idTargetObserverRegistry.get(); }
 
-
 #if !ENABLE(OILPAN)
     // Nodes belonging to this scope hold guard references -
     // these are enough to keep the scope from being destroyed, but
     // not enough to keep it from removing its children. This allows a
     // node that outlives its scope to still have a valid document
     // pointer without introducing reference cycles.
     void guardRef()
     {
         ASSERT(!deletionHasBegun());
         ++m_guardRefCount;
@@ skipping 39 matching lines @@
     void setDocument(Document& document) { m_document = &document; }
     void setParentTreeScope(TreeScope&);
 
 #if !ENABLE(OILPAN)
     bool hasGuardRefCount() const { return m_guardRefCount; }
 #endif
 
     void setNeedsStyleRecalcForViewportUnits();
 
 private:
+#if !ENABLE(OILPAN)
     virtual void dispose() { }
 
-#if !ENABLE(OILPAN)
     int refCount() const;
 
 #if ENABLE(SECURITY_ASSERT)
     bool deletionHasBegun();
     void beginDeletion();
 #else
     bool deletionHasBegun() { return false; }
     void beginDeletion() { }
 #endif
 #endif
@@ skipping 30 matching lines @@
     return m_elementsById && m_elementsById->containsMultiple(id);
 }
 
 DEFINE_COMPARISON_OPERATORS_WITH_REFERENCES(TreeScope)
 
 HitTestResult hitTestInDocument(const Document*, int x, int y);
 
 } // namespace blink
 
 #endif // TreeScope_h