Remove hasSyntacticallyValidCSSHeader.

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 51 matching lines @@
     bool isCacheable() const;
 
     bool hasSingleOwnerNode() const;
     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 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
@@ skipping 21 matching lines @@
     RuleSet& ensureRuleSet(const MediaQueryEvaluator&, AddRuleFlags);
     void clearRuleSet();
 
 private:
     StyleSheetContents(const String& originalURL, const CSSParserContext&);
 
     void notifyRemoveFontFaceRule(const StyleRuleFontFace*);
 
     Document* clientSingleOwnerDocument() const;
 
-    bool m_hasSyntacticallyValidCSSHeader : 1;
     bool m_usesRemUnits : 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;
 };
 
 } // namespace
 
 #endif  // SKY_ENGINE_CORE_CSS_STYLESHEETCONTENTS_H_