Harmonize FilterEffect::mapRect and mapPaintRect

third_party/WebKit/Source/platform/graphics/filters/FEMorphology.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 27 matching lines @@
     static FEMorphology* create(Filter*, MorphologyOperatorType, float radiusX, float radiusY);
     MorphologyOperatorType morphologyOperator() const;
     bool setMorphologyOperator(MorphologyOperatorType);
 
     float radiusX() const;
     bool setRadiusX(float);
 
     float radiusY() const;
     bool setRadiusY(float);
 
-    FloatRect mapRect(const FloatRect&, bool forward = true) const final;
-
     TextStream& externalRepresentation(TextStream&, int indention) const override;
 
 private:
     FEMorphology(Filter*, MorphologyOperatorType, float radiusX, float radiusY);
 
+    FloatRect mapEffect(const FloatRect&) const override;
+
     sk_sp<SkImageFilter> createImageFilter() override;
 
     MorphologyOperatorType m_type;
     float m_radiusX;
     float m_radiusY;
 };
 
 } // namespace blink
 
 #endif // FEMorphology_h