Remove OILPAN from core/dom/shadow/

third_party/WebKit/Source/core/dom/shadow/ShadowRoot.h

 /*
  * Copyright (C) 2011 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Neither the name of Google Inc. nor the names of its
@@ skipping 136 matching lines @@
 
     void setDelegatesFocus(bool flag) { m_delegatesFocus = flag; }
     bool delegatesFocus() const { return m_delegatesFocus; }
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     ShadowRoot(Document&, ShadowRootType);
     ~ShadowRoot() override;
 
-#if !ENABLE(OILPAN)
-    void dispose() override;
-#endif
-
     void childrenChanged(const ChildrenChange&) override;
 
     ShadowRootRareData* ensureShadowRootRareData();
 
     void addChildShadowRoot();
     void removeChildShadowRoot();
     void invalidateDescendantInsertionPoints();
 
     // ShadowRoots should never be cloned.
     Node* cloneNode(bool) override { return nullptr; }
@@ skipping 29 matching lines @@
     return nullptr;
 }
 
 DEFINE_NODE_TYPE_CASTS(ShadowRoot, isShadowRoot());
 DEFINE_TYPE_CASTS(ShadowRoot, TreeScope, treeScope, treeScope->rootNode().isShadowRoot(), treeScope.rootNode().isShadowRoot());
 DEFINE_TYPE_CASTS(TreeScope, ShadowRoot, shadowRoot, true, true);
 
 } // namespace blink
 
 #endif // ShadowRoot_h