Merge 113099

Source/WebCore/css/CSSStyleRule.cpp

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * (C) 2002-2003 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2002, 2005, 2006, 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.
  *
@@ skipping 99 matching lines @@
         return;
 
     String oldSelectorText = this->selectorText();
     m_selectorList.adopt(selectorList);
 
     if (hasCachedSelectorText()) {
         ASSERT(selectorTextCache().contains(this));
         selectorTextCache().set(this, generateSelectorText());
     }
 
-    if (this->selectorText() == oldSelectorText)
-        return;
-
     doc->styleSelectorChanged(DeferRecalcStyle);
 }
 
 String CSSStyleRule::cssText() const
 {
     String result = selectorText();
 
     result += " { ";
     result += m_style->asText();
     result += "}";
 
     return result;
 }
 
 void CSSStyleRule::addSubresourceStyleURLs(ListHashSet<KURL>& urls)
 {
     if (m_style)
         m_style->addSubresourceStyleURLs(urls);
 }
 
 } // namespace WebCore