Move CSSRuleList to the garbage collected heap

Source/core/css/CSSRule.h

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * (C) 2002-2003 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2002, 2006, 2007, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2011 Andreas Kling (kling@webkit.org)
  *
  * 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.
@@ skipping 16 matching lines @@
 #include "heap/Visitor.h"
 #include "wtf/RefCounted.h"
 #include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
 class CSSParserContext;
 class CSSStyleSheet;
 class StyleRuleBase;
 
-// FIXME: oilpan: CSSRuleList redirects increments and decrements of its
-// reference counts to its CSSRule. That means this has to be
-// RefCountedGarbageCollected instead of just GarbageCollected for now.
-class CSSRule : public RefCountedWillBeRefCountedGarbageCollected<CSSRule> {
+class CSSRule : public RefCountedWillBeGarbageCollectedFinalized<CSSRule> {
 public:
     virtual ~CSSRule() { }
 
     enum Type {
         UNKNOWN_RULE,
         STYLE_RULE,
         CHARSET_RULE,
         IMPORT_RULE,
         MEDIA_RULE,
         FONT_FACE_RULE,
@@ skipping 63 matching lines @@
         CSSStyleSheet* m_parentStyleSheet;
     };
 };
 
 #define DEFINE_CSS_RULE_TYPE_CASTS(ToType, TYPE_NAME) \
     DEFINE_TYPE_CASTS(ToType, CSSRule, rule, rule->type() == CSSRule::TYPE_NAME, rule.type() == CSSRule::TYPE_NAME)
 
 } // namespace WebCore
 
 #endif // CSSRule_h