Fix the reference box computation for CSS filter effects.

third_party/WebKit/Source/core/style/ComputedStyle.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *
  * 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
@@ skipping 420 matching lines @@
     bool hasBorderImageOutsets() const
     {
         return borderImage().hasImage() && borderImage().outset().nonZero();
     }
     LayoutRectOutsets borderImageOutsets() const
     {
         return imageOutsets(borderImage());
     }
 
     bool hasFilterOutsets() const { return hasFilter() && filter().hasOutsets(); }
-    FilterOutsets filterOutsets() const { return hasFilter() ? filter().outsets() : FilterOutsets(); }
-
     Order rtlOrdering() const { return static_cast<Order>(inherited_flags.m_rtlOrdering); }
     void setRTLOrdering(Order o) { inherited_flags.m_rtlOrdering = o; }
 
     bool isStyleAvailable() const;
 
     bool hasAnyPublicPseudoStyles() const;
     bool hasPseudoStyle(PseudoId) const;
     void setHasPseudoStyle(PseudoId);
     bool hasUniquePseudoStyle() const;
     bool hasPseudoElementStyle() const;
@@ skipping 1544 matching lines @@
 }
 
 inline bool ComputedStyle::hasPseudoElementStyle() const
 {
     return noninherited_flags.pseudoBits & PSEUDO_ELEMENT_MASK;
 }
 
 } // namespace blink
 
 #endif // ComputedStyle_h