Removed duplicated virtual computePreferredLogicalWidths()

Source/core/rendering/RenderMenuList.h

 /*
  * This file is part of the select element renderer in WebCore.
  *
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 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 55 matching lines @@
 
     virtual void updateFromElement() OVERRIDE;
 
     virtual LayoutRect controlClipRect(const LayoutPoint&) const OVERRIDE;
     virtual bool hasControlClip() const OVERRIDE { return true; }
     virtual bool canHaveGeneratedChildren() const OVERRIDE { return false; }
 
     virtual const char* renderName() const OVERRIDE { return "RenderMenuList"; }
 
     virtual void computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, LayoutUnit& maxLogicalWidth) const OVERRIDE;
-    virtual void computePreferredLogicalWidths() OVERRIDE;
 
     virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) OVERRIDE;
 
     // PopupMenuClient methods
     virtual void valueChanged(unsigned listIndex, bool fireOnChange = true) OVERRIDE;
     virtual void selectionChanged(unsigned, bool) OVERRIDE { }
     virtual void selectionCleared() OVERRIDE { }
     virtual String itemText(unsigned listIndex) const OVERRIDE;
     virtual String itemToolTip(unsigned listIndex) const OVERRIDE;
     virtual String itemAccessibilityText(unsigned listIndex) const OVERRIDE;
@@ skipping 44 matching lines @@
 
     RefPtrWillBeMember<PopupMenu> m_popup;
     bool m_popupIsVisible;
 };
 
 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderMenuList, isMenuList());
 
 }
 
 #endif