Remove CSSOM mutability in StyleRule.

sky/engine/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 54 matching lines @@
     Node* singleOwnerNode() const;
     Document* singleOwnerDocument() const;
 
     bool hasFailedOrCanceledSubresources() const;
 
     KURL completeURL(const String& url) const;
 
     void setHasSyntacticallyValidCSSHeader(bool isValidCss);
     bool hasSyntacticallyValidCSSHeader() const { return m_hasSyntacticallyValidCSSHeader; }
 
-    void setHasFontFaceRule(bool b) { m_hasFontFaceRule = b; }
-    bool hasFontFaceRule() const { return m_hasFontFaceRule; }
-    void findFontFaceRules(Vector<RawPtr<const StyleRuleFontFace> >& fontFaceRules);
-
     void parserAppendRule(PassRefPtr<StyleRuleBase>);
     void parserSetUsesRemUnits(bool b) { m_usesRemUnits = b; }
 
     void clearRules();
 
     // Rules other than @charset and @import.
     const Vector<RefPtr<StyleRuleBase> >& childRules() const { return m_childRules; }
 
     // Note that href is the URL that started the redirect chain that led to
     // this style sheet. This property probably isn't useful for much except
     // the JavaScript binding (which needs to use this value for security).
     String originalURL() const { return m_originalURL; }
     const KURL& baseURL() const { return m_parserContext.baseURL(); }
 
     unsigned ruleCount() const;
     StyleRuleBase* ruleAt(unsigned index) const;
 
     bool usesRemUnits() const { return m_usesRemUnits; }
 
-    unsigned estimatedSizeInBytes() const;
-
-    bool wrapperInsertRule(PassRefPtr<StyleRuleBase>, unsigned index);
-    void wrapperDeleteRule(unsigned index);
-
-    PassRefPtr<StyleSheetContents> copy() const
-    {
-        return adoptRef(new StyleSheetContents(*this));
-    }
-
     void registerClient(CSSStyleSheet*);
     void unregisterClient(CSSStyleSheet*);
     size_t clientSize() const { return m_loadingClients.size() + m_completedClients.size(); }
     bool hasOneClient() const { return clientSize() == 1; }
 
-    bool isMutable() const { return m_isMutable; }
-    void setMutable() { m_isMutable = true; }
-
     void removeSheetFromCache(Document*);
 
-    bool isInMemoryCache() const { return m_isInMemoryCache; }
-    void addedToMemoryCache();
-    void removedFromMemoryCache();
-
     void setHasMediaQueries();
     bool hasMediaQueries() const { return m_hasMediaQueries; }
 
-    bool didLoadErrorOccur() const { return m_didLoadErrorOccur; }
-
     void shrinkToFit();
     RuleSet& ruleSet() { ASSERT(m_ruleSet); return *m_ruleSet.get(); }
     RuleSet& ensureRuleSet(const MediaQueryEvaluator&, AddRuleFlags);
     void clearRuleSet();
 
 private:
     StyleSheetContents(const String& originalURL, const CSSParserContext&);
-    StyleSheetContents(const StyleSheetContents&);
+
     void notifyRemoveFontFaceRule(const StyleRuleFontFace*);
 
     Document* clientSingleOwnerDocument() const;
 
-    String m_originalURL;
-
-    Vector<RefPtr<StyleRuleBase> > m_childRules;
-    typedef HashMap<AtomicString, AtomicString> PrefixNamespaceURIMap;
-    PrefixNamespaceURIMap m_namespaces;
-
     bool m_hasSyntacticallyValidCSSHeader : 1;
-    bool m_didLoadErrorOccur : 1;
     bool m_usesRemUnits : 1;
-    bool m_isMutable : 1;
-    bool m_isInMemoryCache : 1;
-    bool m_hasFontFaceRule : 1;
     bool m_hasMediaQueries : 1;
     bool m_hasSingleOwnerDocument : 1;
 
+    String m_originalURL;
+    OwnPtr<RuleSet> m_ruleSet;
+    Vector<RefPtr<StyleRuleBase> > m_childRules;
     CSSParserContext m_parserContext;
 
     HashSet<RawPtr<CSSStyleSheet> > m_loadingClients;
     HashSet<RawPtr<CSSStyleSheet> > m_completedClients;
     typedef HashSet<RawPtr<CSSStyleSheet> >::iterator ClientsIterator;
-
-    OwnPtr<RuleSet> m_ruleSet;
 };
 
 } // namespace
 
 #endif  // SKY_ENGINE_CORE_CSS_STYLESHEETCONTENTS_H_