Harmonize FilterEffect::mapRect and mapPaintRect

third_party/WebKit/Source/platform/graphics/filters/FEComposite.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 40 matching lines @@
 
     float k2() const;
     bool setK2(float);
 
     float k3() const;
     bool setK3(float);
 
     float k4() const;
     bool setK4(float);
 
-    FloatRect determineAbsolutePaintRect(const FloatRect& requestedRect) const override;
-
     TextStream& externalRepresentation(TextStream&, int indention) const override;
 
 protected:
     bool mayProduceInvalidPreMultipliedPixels() override { return m_type == FECOMPOSITE_OPERATOR_ARITHMETIC; }
 
 private:
     FEComposite(Filter*, const CompositeOperationType&, float, float, float, float);
 
+    FloatRect mapInputs(const FloatRect&) const override;
+
+    bool affectsTransparentPixels() const override;
+
     sk_sp<SkImageFilter> createImageFilter() override;
     sk_sp<SkImageFilter> createImageFilterWithoutValidation() override;
     sk_sp<SkImageFilter> createImageFilterInternal(bool requiresPMColorValidation);
 
     CompositeOperationType m_type;
     float m_k1;
     float m_k2;
     float m_k3;
     float m_k4;
 };
 
 } // namespace blink
 
 #endif // FEComposite_h