Include disabled stylesheets in document.styleSheets.

Source/core/html/HTMLLinkElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Rob Buis (rwlbuis@gmail.com)
  * Copyright (C) 2011 Google 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
@@ skipping 513 matching lines @@
             // happen (a double toggle for no reason essentially). This happens on
             // virtualplastic.net, which manages to do about 12 enable/disables on only 3
             // sheets. :)
             if (!m_owner->relAttribute().isAlternate() && m_disabledState == EnabledViaScript && oldDisabledState == Disabled)
                 addPendingSheet(Blocking);
 
             // If the sheet is already loading just bail.
             return;
         }
 
+        if (m_sheet)
+            m_sheet->setDisabled(disabled);
+
         // Load the sheet, since it's never been loaded before.
         if (!m_sheet && m_disabledState == EnabledViaScript) {
             if (m_owner->shouldProcessStyle())
                 process();
         } else
             m_owner->document()->styleResolverChanged(DeferRecalcStyle); // Update the style selector.
     }
 }
 
 void LinkStyle::process()
@@ skipping 66 matching lines @@
 void LinkStyle::ownerRemoved()
 {
     if (m_sheet)
         clearSheet();
 
     if (styleSheetIsLoading())
         removePendingSheet(RemovePendingSheetNotifyLater);
 }
 
 } // namespace WebCore