Harmonize FilterEffect::mapRect and mapPaintRect

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

Index: third_party/WebKit/Source/platform/graphics/filters/FEDisplacementMap.h
diff --git a/third_party/WebKit/Source/platform/graphics/filters/FEDisplacementMap.h b/third_party/WebKit/Source/platform/graphics/filters/FEDisplacementMap.h
index 0c8ed5b5215c41908d56178e5caac077bc1f2601..0e35c57890f01f9ee2b4c9a9826b1089a1120b19 100644
--- a/third_party/WebKit/Source/platform/graphics/filters/FEDisplacementMap.h
+++ b/third_party/WebKit/Source/platform/graphics/filters/FEDisplacementMap.h
@@ -48,15 +48,14 @@ public:
     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;