Oilpan: Remove GC_INFO_{DEFINE,DECLARE} macros

Source/core/css/StyleSheetContents.h

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2006, 2007, 2008, 2009, 2010, 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 28 matching lines @@
 class CSSStyleSheet;
 class CSSStyleSheetResource;
 class Document;
 class Node;
 class SecurityOrigin;
 class StyleRuleBase;
 class StyleRuleFontFace;
 class StyleRuleImport;
 
 class StyleSheetContents : public RefCountedWillBeGarbageCollectedFinalized<StyleSheetContents> {
-    DECLARE_GC_INFO
 public:
     static PassRefPtrWillBeRawPtr<StyleSheetContents> create(const CSSParserContext& context)
     {
         return adoptRefWillBeNoop(new StyleSheetContents(0, String(), context));
     }
     static PassRefPtrWillBeRawPtr<StyleSheetContents> create(const String& originalURL, const CSSParserContext& context)
     {
         return adoptRefWillBeNoop(new StyleSheetContents(0, originalURL, context));
     }
     static PassRefPtrWillBeRawPtr<StyleSheetContents> create(StyleRuleImport* ownerRule, const String& originalURL, const CSSParserContext& context)
@@ skipping 126 matching lines @@
 
     CSSParserContext m_parserContext;
 
     Vector<CSSStyleSheet*> m_clients;
     OwnPtr<RuleSet> m_ruleSet;
 };
 
 } // namespace
 
 #endif