Revert[8] "replace SkXfermode obj with SkBlendMode enum in paints"

gm/imagefiltersgraph.cpp

Index: gm/imagefiltersgraph.cpp
diff --git a/gm/imagefiltersgraph.cpp b/gm/imagefiltersgraph.cpp
index 980398967ac69cf97545865e21e97455dc240e81..2d2772871034ad3e9b5b6a5f274031f2276a487f 100644
--- a/gm/imagefiltersgraph.cpp
+++ b/gm/imagefiltersgraph.cpp
@@ -69,9 +69,8 @@ protected:
             sk_sp<SkImageFilter> colorMorph(SkColorFilterImageFilter::Make(std::move(matrixFilter),
                                                                            std::move(morph)));
             SkPaint paint;
-            paint.setImageFilter(SkXfermodeImageFilter::Make(
-                                        SkXfermode::Make(SkXfermode::kSrcOver_Mode),
-                                        std::move(colorMorph)));
+            paint.setImageFilter(SkXfermodeImageFilter::Make(SkBlendMode::kSrcOver,
+                                                             std::move(colorMorph)));
 
             DrawClippedImage(canvas, fImage.get(), paint);
             canvas->translate(SkIntToScalar(100), 0);
@@ -105,9 +104,8 @@ protected:
             SkImageFilter::CropRect cropRect(SkRect::MakeWH(SkIntToScalar(95), SkIntToScalar(100)));
             SkPaint paint;
             paint.setImageFilter(
-                SkXfermodeImageFilter::Make(SkXfermode::Make(SkXfermode::kSrcIn_Mode),
-                                            std::move(blur),
-                                            nullptr, &cropRect));
+                SkXfermodeImageFilter::Make(SkBlendMode::kSrcIn, std::move(blur), nullptr,
+                                            &cropRect));
             DrawClippedImage(canvas, fImage.get(), paint);
             canvas->translate(SkIntToScalar(100), 0);
         }