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

include/gpu/effects/GrPorterDuffXferProcessor.h

Index: include/gpu/effects/GrPorterDuffXferProcessor.h
diff --git a/include/gpu/effects/GrPorterDuffXferProcessor.h b/include/gpu/effects/GrPorterDuffXferProcessor.h
index 8399d5805e0588feb2ed5ffbaf40339f096af03e..6777d76046f4a2b0cc999ca2a56e88a5acb59822 100644
--- a/include/gpu/effects/GrPorterDuffXferProcessor.h
+++ b/include/gpu/effects/GrPorterDuffXferProcessor.h
@@ -17,6 +17,9 @@ class GrProcOptInfo;
 class GrPorterDuffXPFactory : public GrXPFactory {
 public:
     static sk_sp<GrXPFactory> Make(SkXfermode::Mode mode);
+    static sk_sp<GrXPFactory> Make(SkBlendMode mode) {
+        return Make((SkXfermode::Mode)mode);
+    }
 
     void getInvariantBlendedColor(const GrProcOptInfo& colorPOI,
                                   GrXPFactory::InvariantBlendedColor*) const override;