Harmonize FilterEffect::mapRect and mapPaintRect

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

 /*
  * Copyright (C) Research In Motion Limited 2011. 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
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 12 matching lines @@
 
 #include "platform/graphics/Color.h"
 #include "platform/graphics/filters/FilterEffect.h"
 
 namespace blink {
 
 class PLATFORM_EXPORT FEDropShadow final : public FilterEffect {
 public:
     static FEDropShadow* create(Filter*, float, float, float, float, const Color&, float);
 
-    FloatRect mapRect(const FloatRect&, bool forward = true) const final;
-
     void setShadowColor(const Color& color) { m_shadowColor = color; }
     void setShadowOpacity(float opacity) { m_shadowOpacity = opacity; }
 
     TextStream& externalRepresentation(TextStream&, int indention) const override;
-    sk_sp<SkImageFilter> createImageFilter() override;
 
 private:
     FEDropShadow(Filter*, float, float, float, float, const Color&, float);
 
+    FloatRect mapEffect(const FloatRect&) const override;
+
+    sk_sp<SkImageFilter> createImageFilter() override;
+
     float m_stdX;
     float m_stdY;
     float m_dx;
     float m_dy;
     Color m_shadowColor;
     float m_shadowOpacity;
 };
 
 } // namespace blink
 
 #endif // FEDropShadow_h