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

src/gpu/effects/GrConfigConversionEffect.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrConfigConversionEffect.h"
 #include "GrContext.h"
 #include "GrDrawContext.h"
@@ skipping 211 matching lines @@
         GrPaint paint2;
         GrPaint paint3;
         sk_sp<GrFragmentProcessor> pmToUPM1(new GrConfigConversionEffect(
                 dataTex, GrSwizzle::RGBA(), *pmToUPMRule, SkMatrix::I()));
         sk_sp<GrFragmentProcessor> upmToPM(new GrConfigConversionEffect(
                 readDC->asTexture().get(), GrSwizzle::RGBA(), *upmToPMRule, SkMatrix::I()));
         sk_sp<GrFragmentProcessor> pmToUPM2(new GrConfigConversionEffect(
                 tempDC->asTexture().get(), GrSwizzle::RGBA(), *pmToUPMRule, SkMatrix::I()));
 
         paint1.addColorFragmentProcessor(std::move(pmToUPM1));
-        paint1.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);
+        paint1.setPorterDuffXPFactory(SkBlendMode::kSrc);
 
         readDC->fillRectToRect(GrNoClip(), paint1, SkMatrix::I(), kDstRect, kSrcRect);
 
         readDC->asTexture()->readPixels(0, 0, kSize, kSize, kConfig, firstRead);
 
         paint2.addColorFragmentProcessor(std::move(upmToPM));
-        paint2.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);
+        paint2.setPorterDuffXPFactory(SkBlendMode::kSrc);
 
         tempDC->fillRectToRect(GrNoClip(), paint2, SkMatrix::I(), kDstRect, kSrcRect);
 
         paint3.addColorFragmentProcessor(std::move(pmToUPM2));
-        paint3.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);
+        paint3.setPorterDuffXPFactory(SkBlendMode::kSrc);
 
         readDC->fillRectToRect(GrNoClip(), paint3, SkMatrix::I(), kDstRect, kSrcRect);
 
         readDC->asTexture()->readPixels(0, 0, kSize, kSize, kConfig, secondRead);
 
         failed = false;
         for (int y = 0; y < kSize && !failed; ++y) {
             for (int x = 0; x <= y; ++x) {
                 if (firstRead[kSize * y + x] != secondRead[kSize * y + x]) {
                     failed = true;
@@ skipping 21 matching lines @@
         if (kRGBA_8888_GrPixelConfig != texture->config() &&
             kBGRA_8888_GrPixelConfig != texture->config() &&
             kNone_PMConversion != pmConversion) {
             // The PM conversions assume colors are 0..255
             return nullptr;
         }
         return sk_sp<GrFragmentProcessor>(
             new GrConfigConversionEffect(texture, swizzle, pmConversion, matrix));
     }
 }