[oilpan] Make the oilpan branch build on Mac.

Source/core/dom/Document.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
@@ skipping 1500 matching lines @@
 
 // Put these methods here, because they require the Document definition, but we really want to inline them.
 
 inline bool Node::isDocumentNode() const
 {
     return this == documentInternal();
 }
 
 inline Node::Node(const Handle<Document>& document, ConstructionType type)
     : m_nodeFlags(type)
-    , m_parentOrShadowHostNode(0)
     , m_treeScope(document)
-    , m_previous(0)
-    , m_next(0)
 {
     ScriptWrappable::init(this);
     if (!m_treeScope)
         m_treeScope = TreeScope::noDocumentInstance();
 #if !defined(NDEBUG) || (defined(DUMP_NODE_STATISTICS) && DUMP_NODE_STATISTICS)
     trackForDebugging();
 #endif
     InspectorCounters::incrementCounter(InspectorCounters::NodeCounter);
 }
 
 Node* eventTargetNodeForDocument(const Handle<Document>&);
 
 } // namespace WebCore
 
 #endif // Document_h