Remove global set of ScopedStyleResolvers.

sky/engine/core/dom/StyleEngine.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
@@ skipping 99 matching lines @@
     // updateGenericFontFamilySettings is used from WebSettingsImpl.
     void updateGenericFontFamilySettings();
 
     void didDetach();
     void resolverChanged();
     unsigned resolverAccessCount() const;
 
     PassRefPtr<CSSStyleSheet> createSheet(Element*, const String& text);
     void removeSheet(StyleSheetContents*);
 
-    void addScopedStyleResolver(const ScopedStyleResolver* resolver) { m_scopedStyleResolvers.add(resolver); }
-    void removeScopedStyleResolver(const ScopedStyleResolver* resolver) { m_scopedStyleResolvers.remove(resolver); }
-    bool hasOnlyScopedResolverForDocument() const { return m_scopedStyleResolvers.size() == 1; }
     void collectScopedStyleFeaturesTo(RuleFeatureSet&) const;
 
 private:
     // CSSFontSelectorClient implementation.
     virtual void fontsNeedUpdate(CSSFontSelector*) override;
 
 private:
     StyleEngine(Document&);
 
     StyleSheetCollection* ensureStyleSheetCollectionFor(TreeScope&);
@@ skipping 13 matching lines @@
         return m_documentStyleSheetCollection.get();
     }
 
     RawPtr<Document> m_document;
 
     // TODO(esprehn): Remove special separate collection for document.
     OwnPtr<StyleSheetCollection> m_documentStyleSheetCollection;
 
     typedef HashMap<RawPtr<TreeScope>, OwnPtr<StyleSheetCollection> > StyleSheetCollectionMap;
     StyleSheetCollectionMap m_styleSheetCollectionMap;
-    typedef HashSet<RawPtr<const ScopedStyleResolver> > ScopedStyleResolverSet;
-    ScopedStyleResolverSet m_scopedStyleResolvers;
 
     typedef ListHashSet<TreeScope*, 16> TreeScopeSet;
     TreeScopeSet m_dirtyTreeScopes;
     TreeScopeSet m_activeTreeScopes;
 
     bool m_ignorePendingStylesheets;
     OwnPtr<StyleResolver> m_resolver;
 
     RefPtr<CSSFontSelector> m_fontSelector;
 
     HashMap<AtomicString, RawPtr<StyleSheetContents> > m_textToSheetCache;
     HashMap<RawPtr<StyleSheetContents>, AtomicString> m_sheetToTextCache;
 };
 
 }
 
 #endif  // SKY_ENGINE_CORE_DOM_STYLEENGINE_H_