Merge 88987

Source/WebCore/dom/Document.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  *
@@ skipping 563 matching lines @@
         // these extra pointers or we will create a reference cycle.
         m_docType = 0;
         m_focusedNode = 0;
         m_hoverNode = 0;
         m_activeNode = 0;
         m_titleElement = 0;
         m_documentElement = 0;
 #if ENABLE(FULLSCREEN_API)
         m_fullScreenElement = 0;
 #endif
-        m_styleSelector.clear();
-        m_styleSheets.clear();
-        m_elemSheet.clear();
-        m_mappedElementSheet.clear();
-        m_pageUserSheet.clear();
-        m_pageGroupUserSheets.clear();
 
         // removeAllChildren() doesn't always unregister IDs,
         // so tear down scope information upfront to avoid having stale references in the map.
         destroyTreeScopeData();
         removeAllChildren();
 
         m_markers->detach();
 
         detachParser();
 
@@ skipping 4402 matching lines @@
     if (!loader)
         return 0;
     
     if (m_frame->document() != this)
         return 0;
     
     return loader;
 }
 
 } // namespace WebCore