Merge StyleSheet into CSSStyleSheet.

sky/engine/core/dom/StyleElement.cpp

 /*
  * Copyright (C) 2006, 2007 Rob Buis
  * Copyright (C) 2008 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 69 matching lines @@
 
 void StyleElement::removedFromDocument(Document& document, Element* element, ContainerNode* scopingNode, TreeScope& treeScope)
 {
     ASSERT(element);
 
     if (m_registeredAsCandidate) {
         document.styleEngine()->removeStyleSheetCandidateNode(element, scopingNode, treeScope);
         m_registeredAsCandidate = false;
     }
 
-    RefPtr<StyleSheet> removedSheet = m_sheet.get();
+    RefPtr<CSSStyleSheet> removedSheet = m_sheet.get();
 
     if (m_sheet)
         clearSheet(element);
     if (removedSheet)
         document.removedStyleSheet(removedSheet.get());
 }
 
 void StyleElement::clearDocumentData(Document& document, Element* element)
 {
     if (m_sheet)
@@ skipping 57 matching lines @@
             m_sheet->setMediaQueries(mediaQueries.release());
             m_loading = false;
         }
     }
 
 
     document.styleResolverChanged();
 }
 
 }