Revert 78101 - Merge r76728, crbug 68263

WebCore/css/CSSStyleSheet.h

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2006, 2007, 2008, 2009, 2010 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 @@
     virtual void styleSheetChanged();
 
     virtual bool parseString(const String&, bool strict = true);
 
     bool parseStringAtLine(const String&, bool strict, int startLineNumber);
 
     virtual bool isLoading();
 
     virtual void checkLoaded();
 
-    Document* document();
+    Document* document() { return m_document; }
 
     const String& charset() const { return m_charset; }
 
     bool loadCompleted() const { return m_loadCompleted; }
 
     virtual KURL completeURL(const String& url) const;
     virtual void addSubresourceStyleURLs(ListHashSet<KURL>&);
 
     void setStrictParsing(bool b) { m_strictParsing = b; }
     bool useStrictParsing() const { return m_strictParsing; }
 
     void setIsUserStyleSheet(bool b) { m_isUserStyleSheet = b; }
     bool isUserStyleSheet() const { return m_isUserStyleSheet; }
     void setHasSyntacticallyValidCSSHeader(bool b) { m_hasSyntacticallyValidCSSHeader = b; }
     bool hasSyntacticallyValidCSSHeader() const { return m_hasSyntacticallyValidCSSHeader; }
 
 private:
     CSSStyleSheet(Node* ownerNode, const String& originalURL, const KURL& finalURL, const String& charset);
     CSSStyleSheet(CSSStyleSheet* parentSheet, const String& originalURL, const KURL& finalURL, const String& charset);
     CSSStyleSheet(CSSRule* ownerRule, const String& originalURL, const KURL& finalURL, const String& charset);
 
     virtual bool isCSSStyleSheet() const { return true; }
     virtual String type() const { return "text/css"; }
 
+    Document* m_document;
     OwnPtr<CSSNamespace> m_namespaces;
     String m_charset;
     bool m_loadCompleted : 1;
     bool m_strictParsing : 1;
     bool m_isUserStyleSheet : 1;
     bool m_hasSyntacticallyValidCSSHeader : 1;
 };
 
 } // namespace
 
 #endif