Remove StyleResolver::ensureScopedStyleResolver

Source/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 135 matching lines @@
     void appendPendingAuthorStyleSheets();
     bool hasPendingAuthorStyleSheets() const { return m_pendingStyleSheets.size() > 0 || m_needCollectFeatures; }
 
     SelectorFilter& selectorFilter() { return m_selectorFilter; }
 
     void setBuildScopedStyleTreeInDocumentOrder(bool enabled) { m_styleTree.setBuildInDocumentOrder(enabled); }
     bool buildScopedStyleTreeInDocumentOrder() const { return m_styleTree.buildInDocumentOrder(); }
     bool styleTreeHasOnlyScopedResolverForDocument() const { return m_styleTree.hasOnlyScopedResolverForDocument(); }
     ScopedStyleResolver* styleTreeScopedStyleResolverForDocument() const { return m_styleTree.scopedStyleResolverForDocument(); }
 
-    ScopedStyleResolver* ensureScopedStyleResolver(ContainerNode* scope)
-    {
-        ASSERT(scope);
-        return m_styleTree.ensureScopedStyleResolver(*scope);
-    }
-
     void styleTreeResolveScopedKeyframesRules(const Element* element, Vector<ScopedStyleResolver*, 8>& resolvers)
     {
         m_styleTree.resolveScopedKeyframesRules(element, resolvers);
     }
 
     // These methods will give back the set of rules that matched for a given element (or a pseudo-element).
     enum CSSRuleFilter {
         UAAndUserCSSRules   = 1 << 1,
         AuthorCSSRules      = 1 << 2,
         EmptyCSSRules       = 1 << 3,
@@ skipping 160 matching lines @@
     OwnPtr<StyleResolverStats> m_styleResolverStatsTotals;
     unsigned m_styleResolverStatsSequence;
 
     // Use only for Internals::updateStyleAndReturnAffectedElementCount.
     unsigned m_accessCount;
 };
 
 } // namespace WebCore
 
 #endif // StyleResolver_h