Merge StyleSheetCollection into ScopedStyleResolver.

sky/engine/core/css/resolver/StyleResolver.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 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 94 matching lines @@
     void styleTreeResolveScopedKeyframesRules(const Element*, Vector<RawPtr<ScopedStyleResolver>, 8>&);
 
     // |properties| is an array with |count| elements.
     void applyPropertiesToStyle(const CSSPropertyValue* properties, size_t count, RenderStyle*);
 
     bool mediaQueryAffectedByViewportChange() const;
 
     // FIXME: Rename to reflect the purpose, like didChangeFontSize or something.
     void invalidateMatchedPropertiesCache();
 
-    void appendCSSStyleSheet(CSSStyleSheet*);
+    MediaQueryEvaluator& medium() const { return *m_medium; }
+
+    void resetMediaQueryAffectedByViewportChange();
+    void addMediaQueryAffectedByViewportChange(const MediaQueryResultList&);
 
     void notifyResizeForViewportUnits();
 
     StyleSharingList& styleSharingList() { return m_styleSharingList; }
 
     void addToStyleSharingList(Element&);
     void clearStyleSharingList();
 
     StyleResolverStats* stats() { return m_styleResolverStats.get(); }
     StyleResolverStats* statsTotals() { return m_styleResolverStatsTotals.get(); }
@@ skipping 54 matching lines @@
     OwnPtr<StyleResolverStats> m_styleResolverStatsTotals;
     unsigned m_styleResolverStatsSequence;
 
     // Use only for Internals::updateStyleAndReturnAffectedElementCount.
     unsigned m_accessCount;
 };
 
 } // namespace blink
 
 #endif  // SKY_ENGINE_CORE_CSS_RESOLVER_STYLERESOLVER_H_