Revert "replace SkXfermode obj with SkBlendMode enum in paints"

This reverts commit I4fb489ba6b3f77b458f7e4a99f79c7ad10859135.

Reason for revert: <INSERT REASONING HERE>

Original change's description:
> replace SkXfermode obj with SkBlendMode enum in paints
> 
> BUG=skia:5814
> 
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2714
> 
> Change-Id: I4fb489ba6b3f77b458f7e4a99f79c7ad10859135
> Reviewed-on: https://skia-review.googlesource.com/2714
> Reviewed-by: Florin Malita <fmalita@chromium.org>
> Reviewed-by: Brian Salomon <bsalomon@google.com>
> Commit-Queue: Mike Reed <reed@google.com>
> 

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

Change-Id: I3e43f79ef5c1709929663fe63cc1f67cd78270b7
Reviewed-on: https://skia-review.googlesource.com/2871
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/bench/RectBench.cpp b/bench/RectBench.cpp
index 48764cabdf..46a515de29 100644
--- a/bench/RectBench.cpp
+++ b/bench/RectBench.cpp
@@ -85,7 +85,7 @@ private:
 class SrcModeRectBench : public RectBench {
 public:
     SrcModeRectBench() : INHERITED(1, 0) {
-        fMode = SkBlendMode::kSrc;
+        fMode = SkXfermode::Make(SkXfermode::kSrc_Mode);
     }
 
 protected:
@@ -93,7 +93,7 @@ protected:
         this->INHERITED::setupPaint(paint);
         // srcmode is most interesting when we're not opaque
         paint->setAlpha(0x80);
-        paint->setBlendMode(fMode);
+        paint->setXfermode(fMode);
     }
 
     const char* onGetName() override {
@@ -103,8 +103,8 @@ protected:
     }
 
 private:
-    SkString    fName;
-    SkBlendMode fMode;
+    SkString fName;
+    sk_sp<SkXfermode> fMode;
 
     typedef RectBench INHERITED;
 };