StyleBuilder should not know about StyleResolver.

Source/core/css/resolver/StyleResolver.h

Index: Source/core/css/resolver/StyleResolver.h
diff --git a/Source/core/css/resolver/StyleResolver.h b/Source/core/css/resolver/StyleResolver.h
index b6778dffbcfdce6357d05fac2be2cf4f7eee3dec..a811d03aa071db6c99f86e9acfdd2dc7a9b1576b 100644
--- a/Source/core/css/resolver/StyleResolver.h
+++ b/Source/core/css/resolver/StyleResolver.h
@@ -304,7 +304,6 @@ private:
     void applyProperties(StyleResolverState&, const StylePropertySet* properties, StyleRule*, bool isImportant, bool inheritedOnly, PropertyWhitelistType = PropertyWhitelistNone);
     template <StyleApplicationPass pass>
     void applyAnimatedProperties(StyleResolverState&, const Element*, const DocumentTimeline*);
-    void resolveVariables(StyleResolverState&, CSSPropertyID, CSSValue*, Vector<std::pair<CSSPropertyID, String> >& knownExpressions);
     void matchPageRules(MatchResult&, RuleSet*, bool isLeftPage, bool isFirstPage, const String& pageName);
     void matchPageRulesForList(Vector<StyleRulePage*>& matchedRules, const Vector<StyleRulePage*>&, bool isLeftPage, bool isFirstPage, const String& pageName);
     void collectViewportRules();
@@ -325,8 +324,6 @@ private:
 
     void cacheBorderAndBackground();
 
-    void applyProperty(StyleResolverState&, CSSPropertyID, CSSValue*);
-
     MatchedPropertiesCache m_matchedPropertiesCache;
 
     OwnPtr<MediaQueryEvaluator> m_medium;
@@ -357,9 +354,6 @@ private:
 #ifdef STYLE_STATS
     static StyleSharingStats m_styleSharingStats;
 #endif
-
-    friend void StyleBuilder::oldApplyProperty(CSSPropertyID, StyleResolver*, StyleResolverState&, CSSValue*, bool isInitial, bool isInherit);
-
 };
 
 inline bool checkRegionSelector(const CSSSelector* regionSelector, Element* regionElement)