Storage of ComputedStyle separate from LayoutObject.

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 246 matching lines @@
 #endif
     InstanceCounters::incrementCounter(InstanceCounters::NodeCounter);
 }
 
 Node::~Node()
 {
     // With Oilpan, the rare data finalizer also asserts for
     // this condition (we cannot directly access it here.)
     RELEASE_ASSERT(hasRareData() || !layoutObject());
     InstanceCounters::decrementCounter(InstanceCounters::NodeCounter);
+    if (!hasRareData() && !hasLayoutObject() && m_data.m_computedStyle)
+        m_data.m_computedStyle->deref();
 }
 
 NodeRareData* Node::rareData() const
 {
     ASSERT_WITH_SECURITY_IMPLICATION(hasRareData());
     return static_cast<NodeRareData*>(m_data.m_rareData);
 }
 
 NodeRareData& Node::ensureRareData()
 {
@@ skipping 2220 matching lines @@
 
 void showNodePath(const blink::Node* node)
 {
     if (node)
         node->showNodePathForThis();
     else
         fprintf(stderr, "Cannot showNodePath for (nil)\n");
 }
 
 #endif