Revert of [Oilpan] Prepare full definition of classes before using Member

third_party/WebKit/Source/core/dom/Node.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 994 matching lines @@
 
     if (parent->isShadowRoot())
         return toShadowRoot(parent)->host();
 
     if (!parent->isElementNode())
         return nullptr;
 
     return toElement(parent);
 }
 
-void Node::setParentOrShadowHostNode(ContainerNode* parent)
-{
-    ASSERT(isMainThread());
-    m_parentOrShadowHostNode = parent;
-}
-
 ContainerNode* Node::parentOrShadowHostOrTemplateHostNode() const
 {
     if (isDocumentFragment() && toDocumentFragment(this)->isTemplateContent())
         return static_cast<const TemplateContentDocumentFragment*>(this)->host();
     return parentOrShadowHostNode();
 }
 
 bool Node::isRootEditableElement() const
 {
     return hasEditableStyle() && isElementNode() && (!parentNode() || !parentNode()->hasEditableStyle()
@@ skipping 1344 matching lines @@
 
 void showNodePath(const blink::Node* node)
 {
     if (node)
         node->showNodePathForThis();
     else
         fprintf(stderr, "Cannot showNodePath for (nil)\n");
 }
 
 #endif