Harmonize FilterEffect::mapRect and mapPaintRect

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

 /*
  * 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) 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
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 30 matching lines @@
 
     ChannelSelectorType xChannelSelector() const;
     bool setXChannelSelector(const ChannelSelectorType);
 
     ChannelSelectorType yChannelSelector() const;
     bool setYChannelSelector(const ChannelSelectorType);
 
     float scale() const;
     bool setScale(float);
 
-    FloatRect mapPaintRect(const FloatRect&, bool forward = true) const final;
-
     TextStream& externalRepresentation(TextStream&, int indention) const override;
 
-    FloatRect determineAbsolutePaintRect(const FloatRect& requestedRect) const override;
-
 private:
     FEDisplacementMap(Filter*, ChannelSelectorType xChannelSelector, ChannelSelectorType yChannelSelector, float);
 
+    FloatRect mapInputs(const FloatRect&) const override;
+    FloatRect mapEffect(const FloatRect&) const override;
+
     sk_sp<SkImageFilter> createImageFilter() override;
 
     ChannelSelectorType m_xChannelSelector;
     ChannelSelectorType m_yChannelSelector;
     float m_scale;
 };
 
 } // namespace blink
 
 #endif // FEDisplacementMap_h