Revert 79985 - 2011-03-01 Nikolas Zimmermann <nzimmermann@rim.com>

Source/WebCore/css/CSSStyleDeclaration.cpp

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 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,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "config.h"
 #include "CSSStyleDeclaration.h"
 
 #include "CSSMutableStyleDeclaration.h"
-#include "CSSMutableValue.h"
 #include "CSSParser.h"
 #include "CSSProperty.h"
 #include "CSSPropertyNames.h"
 #include "CSSRule.h"
-#include "Node.h"
-#include "SVGElement.h"
 #include <wtf/ASCIICType.h>
 
 using namespace WTF;
 
 namespace WebCore {
 
 CSSStyleDeclaration::CSSStyleDeclaration(CSSRule* parent)
     : StyleBase(parent)
 {
 }
 
 PassRefPtr<CSSValue> CSSStyleDeclaration::getPropertyCSSValue(const String& propertyName)
 {
     int propID = cssPropertyID(propertyName);
     if (!propID)
         return 0;
-
-    // Short-cut, not involving any change to the refcount.
-    if (!isMutableStyleDeclaration())
-        return getPropertyCSSValue(propID);
-
-    // Slow path.
-    RefPtr<CSSValue> value = getPropertyCSSValue(propID);
-    if (!value || !value->isMutableValue())
-        return value.release();
-
-    Node* node = static_cast<CSSMutableStyleDeclaration*>(this)->node();
-    if (!node || !node->isStyledElement())
-        return value.release();
-
-    Node* associatedNode = static_cast<CSSMutableValue*>(value.get())->node();
-    if (associatedNode) {
-        ASSERT(associatedNode == node);
-        return value.release();
-    }
-
-    static_cast<CSSMutableValue*>(value.get())->setNode(node);
-    return value.release();
+    return getPropertyCSSValue(propID);
 }
 
 String CSSStyleDeclaration::getPropertyValue(const String &propertyName)
 {
     int propID = cssPropertyID(propertyName);
     if (!propID)
         return String();
     return getPropertyValue(propID);
 }
 
@@ skipping 97 matching lines @@
     list.reserveInitialCapacity(length);
     for (unsigned i = 0; i < length; i++) {
         RefPtr<CSSValue> value = getPropertyCSSValue(set[i]);
         if (value)
             list.append(CSSProperty(set[i], value.release(), false));
     }
     return CSSMutableStyleDeclaration::create(list);
 }
 
 } // namespace WebCore