Remove unused StyleElement::clearDocumentData().

third_party/WebKit/Source/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 87 matching lines @@
     }
 
     StyleSheet* removedSheet = m_sheet.get();
 
     if (m_sheet)
         clearSheet(element);
     if (removedSheet)
         document.styleEngine().setNeedsActiveStyleUpdate(removedSheet, AnalyzedStyleUpdate);
 }
 
-void StyleElement::clearDocumentData(Document& document, Element* element)
-{
-    if (m_sheet)
-        m_sheet->clearOwnerNode();
-
-    if (m_registeredAsCandidate) {
-        DCHECK(element->isConnected());
-        document.styleEngine().removeStyleSheetCandidateNode(element, element->treeScope());
-        m_registeredAsCandidate = false;
-    }
-}
-
 StyleElement::ProcessingResult StyleElement::childrenChanged(Element* element)
 {
     DCHECK(element);
     if (m_createdByParser)
         return ProcessingSuccessful;
 
     return process(element);
 }
 
 StyleElement::ProcessingResult StyleElement::finishParsingChildren(Element* element)
@@ skipping 96 matching lines @@
 {
     document.styleEngine().addPendingSheet(m_styleEngineContext);
 }
 
 DEFINE_TRACE(StyleElement)
 {
     visitor->trace(m_sheet);
 }
 
 } // namespace blink