Remove tons of OILPAN.

sky/engine/core/css/CSSStyleSheet.cpp

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2006, 2007, 2012 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 27 matching lines @@
 
 namespace blink {
 
 class StyleSheetCSSRuleList final : public CSSRuleList {
 public:
     static PassOwnPtr<StyleSheetCSSRuleList> create(CSSStyleSheet* sheet)
     {
         return adoptPtr(new StyleSheetCSSRuleList(sheet));
     }
 
-    virtual void trace(Visitor* visitor) override
-    {
-        visitor->trace(m_styleSheet);
-        CSSRuleList::trace(visitor);
-    }
-
 private:
     StyleSheetCSSRuleList(CSSStyleSheet* sheet) : m_styleSheet(sheet) { }
 
     virtual void ref() override { m_styleSheet->ref(); }
     virtual void deref() override { m_styleSheet->deref(); }
 
     virtual unsigned length() const override { return m_styleSheet->length(); }
     virtual CSSRule* item(unsigned index) const override { return m_styleSheet->item(index); }
 
     virtual CSSStyleSheet* styleSheet() const override { return m_styleSheet; }
@@ skipping 276 matching lines @@
 Document* CSSStyleSheet::ownerDocument() const
 {
     return ownerNode() ? &ownerNode()->document() : 0;
 }
 
 void CSSStyleSheet::clearChildRuleCSSOMWrappers()
 {
     m_childRuleCSSOMWrappers.clear();
 }
 
-void CSSStyleSheet::trace(Visitor* visitor)
-{
-    visitor->trace(m_contents);
-    visitor->trace(m_mediaQueries);
-    visitor->trace(m_ownerNode);
-    visitor->trace(m_mediaCSSOMWrapper);
-    visitor->trace(m_childRuleCSSOMWrappers);
-    visitor->trace(m_ruleListCSSOMWrapper);
-    StyleSheet::trace(visitor);
-}
-
 } // namespace blink