Drop FilterEffect::m_absolutePaintRect

third_party/WebKit/Source/platform/graphics/filters/FEDisplacementMap.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
  * Copyright (C) 2005 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  * Copyright (C) 2013 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 138 matching lines @@
     ts << "[feDisplacementMap";
     FilterEffect::externalRepresentation(ts);
     ts << " scale=\"" << m_scale << "\" "
        << "xChannelSelector=\"" << m_xChannelSelector << "\" "
        << "yChannelSelector=\"" << m_yChannelSelector << "\"]\n";
     inputEffect(0)->externalRepresentation(ts, indent + 1);
     inputEffect(1)->externalRepresentation(ts, indent + 1);
     return ts;
 }
 
-FloatRect FEDisplacementMap::determineAbsolutePaintRect(const FloatRect& requestedRect)
+FloatRect FEDisplacementMap::determineAbsolutePaintRect(const FloatRect& requestedRect) const
 {
     FloatRect rect = requestedRect;
     if (clipsToBounds())
         rect.intersect(absoluteBounds());
 
-    if (absolutePaintRect().contains(enclosingIntRect(rect)))
-        return rect;
-
     rect = mapPaintRect(rect, false);
     rect = inputEffect(0)->determineAbsolutePaintRect(rect);
     rect = mapPaintRect(rect, true);
     rect.intersect(requestedRect);
-
-    addAbsolutePaintRect(rect);
     return rect;
 }
 
 } // namespace blink