Revert[7] "replace SkXfermode obj with SkBlendMode enum in paints"

This reverts commit Ib4a154cdd5f5d1dcac921ef50d53b79a2d6a1be8.

Reason for revert: new assert from 100K bot

Original change's description:
> Revert[6] "replace SkXfermode obj with SkBlendMode enum in paints"
> 
> - perform version check in CreateProc for XfermodeImageFilter and ArithmeticImageFilter
> This reverts commit 3ed485f4249e17abb4b11f5018d03175fd1afb44.
> 
> BUG=skia:
> 
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2992
> 
> Change-Id: Ib4a154cdd5f5d1dcac921ef50d53b79a2d6a1be8
> Reviewed-on: https://skia-review.googlesource.com/2992
> Reviewed-by: Mike Reed <reed@google.com>
> Commit-Queue: Mike Reed <reed@google.com>
> 

TBR=reed@google.com,reviews@skia.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Change-Id: I848e5a69c5cd67f2c14889f4f0a346652578c4ff
Reviewed-on: https://skia-review.googlesource.com/3023
Commit-Queue: Mike Reed <reed@google.com>
Reviewed-by: Mike Reed <reed@google.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/xps/SkXPSDevice.cpp b/src/xps/SkXPSDevice.cpp
index 5db644c30a..7757cb8774 100644
--- a/src/xps/SkXPSDevice.cpp
+++ b/src/xps/SkXPSDevice.cpp
@@ -1220,7 +1220,7 @@ void SkXPSDevice::internalDrawRect(const SkDraw& d,
                                    const SkPaint& paint) {
     //Exit early if there is nothing to draw.
     if (d.fRC->isEmpty() ||
-        (paint.getAlpha() == 0 && paint.isSrcOver())) {
+        (paint.getAlpha() == 0 && paint.getXfermode() == nullptr)) {
         return;
     }
 
@@ -1536,7 +1536,7 @@ void SkXPSDevice::drawPath(const SkDraw& d,
 
     // nothing to draw
     if (d.fRC->isEmpty() ||
-        (paint->getAlpha() == 0 && paint->isSrcOver())) {
+        (paint->getAlpha() == 0 && paint->getXfermode() == nullptr)) {
         return;
     }