Harmonize FilterEffect::mapRect and mapPaintRect

third_party/WebKit/Source/platform/graphics/filters/FELighting.cpp

Index: third_party/WebKit/Source/platform/graphics/filters/FELighting.cpp
diff --git a/third_party/WebKit/Source/platform/graphics/filters/FELighting.cpp b/third_party/WebKit/Source/platform/graphics/filters/FELighting.cpp
index 70d588f4ded39b32140c35e569a66dfb0939c411..2c1c226694039ee3bde077071a58bd73af1d903e 100644
--- a/third_party/WebKit/Source/platform/graphics/filters/FELighting.cpp
+++ b/third_party/WebKit/Source/platform/graphics/filters/FELighting.cpp
@@ -50,14 +50,6 @@ FELighting::FELighting(Filter* filter, LightingType lightingType, const Color& l
 {
 }
 
-FloatRect FELighting::mapPaintRect(const FloatRect& rect, bool) const
-{
-    FloatRect result = rect;
-    // The areas affected need to be a pixel bigger to accommodate the Sobel kernel.

[pdr., 2016/09/16 18:29:18]

Don't we still need this inflation?

[fs, 2016/09/16 18:53:28]

That would only be relevant for a reverse-mapping - i.e "to produce the correct
destination we need one extra border pixel", but for "forward" we'll only
produce the same amount of pixels.

-    result.inflate(1);
-    return result;
-}
-
 sk_sp<SkImageFilter> FELighting::createImageFilter()
 {
     if (!m_lightSource)