Remove HTMLStyleElement::scopingNode().

sky/engine/core/html/HTMLStyleElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2010 Apple Inc. All rights reserved.
  *           (C) 2007 Rob Buis (buis@kde.org)
  *
  * 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
@@ skipping 86 matching lines @@
 {
     HTMLElement::childrenChanged(change);
     process();
 }
 
 const AtomicString& HTMLStyleElement::media() const
 {
     return getAttribute(HTMLNames::mediaAttr);
 }
 
-ContainerNode* HTMLStyleElement::scopingNode()
-{
-    if (!inActiveDocument())
-        return 0;
-
-    if (isInShadowTree())
-        return containingShadowRoot();
-
-    return &document();
-}
-
 void HTMLStyleElement::clearSheet()
 {
     ASSERT(m_sheet);
     m_sheet.release()->clearOwnerNode();
 }
 
 void HTMLStyleElement::process()
 {
     if (!inActiveDocument())
         return;
 
     TRACE_EVENT0("blink", "StyleElement::process");
 
     if (m_sheet)
         clearSheet();
 
     RefPtr<MediaQuerySet> mediaQueries = MediaQuerySet::create(media());
 
     MediaQueryEvaluator screenEval("screen", true);
     if (screenEval.eval(mediaQueries.get())) {
         const String& text = textFromChildren();
         m_sheet = document().styleEngine()->createSheet(this, text);
         m_sheet->setMediaQueries(mediaQueries.release());
     }
 
     document().styleResolverChanged();
 }
 
 }