Harmonize FilterEffect::mapRect and mapPaintRect

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

Index: third_party/WebKit/Source/platform/graphics/filters/FEBoxReflect.h
diff --git a/third_party/WebKit/Source/platform/graphics/filters/FEBoxReflect.h b/third_party/WebKit/Source/platform/graphics/filters/FEBoxReflect.h
index 7d044954c73323f88faf9efbaebb35e1ed89c673..fe4e951fa933e3f2c7b19c095f2c3d0782d712ae 100644
--- a/third_party/WebKit/Source/platform/graphics/filters/FEBoxReflect.h
+++ b/third_party/WebKit/Source/platform/graphics/filters/FEBoxReflect.h
@@ -20,14 +20,16 @@ public:
     }
 
     // FilterEffect implementation
-    FloatRect mapRect(const FloatRect&, bool forward = true) const final;
     TextStream& externalRepresentation(TextStream&, int indentation) const final;
-    sk_sp<SkImageFilter> createImageFilter() final;
 
 private:
     FEBoxReflect(Filter*, const BoxReflection&);
     ~FEBoxReflect() final;
 
+    FloatRect mapEffect(const FloatRect&) const final;
+
+    sk_sp<SkImageFilter> createImageFilter() final;
+
     BoxReflection m_reflection;
 };