Implement filter primitive subregion on accelerated reference filters (FEColorMatrix a…

Source/core/platform/graphics/filters/FEColorMatrix.cpp

Index: Source/core/platform/graphics/filters/FEColorMatrix.cpp
diff --git a/Source/core/platform/graphics/filters/FEColorMatrix.cpp b/Source/core/platform/graphics/filters/FEColorMatrix.cpp
index 9462e1cec1e3642e88aa5eebbb72171837b67880..4d8c45afaee511671c9a2226910111fd022d4d82 100644
--- a/Source/core/platform/graphics/filters/FEColorMatrix.cpp
+++ b/Source/core/platform/graphics/filters/FEColorMatrix.cpp
@@ -285,7 +285,8 @@ PassRefPtr<SkImageFilter> FEColorMatrix::createImageFilter(SkiaImageFilterBuilde
 {
     RefPtr<SkImageFilter> input(builder->build(inputEffect(0), operatingColorSpace()));
     SkAutoTUnref<SkColorFilter> filter(createColorFilter(m_type, m_values.data()));
-    return adoptRef(SkColorFilterImageFilter::Create(filter, input.get()));
+    SkIRect rect = getCropRect(builder->cropOffset());
+    return adoptRef(SkColorFilterImageFilter::Create(filter, input.get(), &rect));
 }
 
 static TextStream& operator<<(TextStream& ts, const ColorMatrixType& type)