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

src/effects/SkMorphologyImageFilter.cpp

 /*
  * Copyright 2012 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkMorphologyImageFilter.h"
 
 #include "SkBitmap.h"
@@ skipping 383 matching lines @@
                                   GrMorphologyEffect::MorphologyType morphType,
                                   float bounds[2],
                                   Gr1DKernelEffect::Direction direction) {
     GrPaint paint;
     paint.setGammaCorrect(drawContext->isGammaCorrect());
     paint.addColorFragmentProcessor(GrMorphologyEffect::Make(texture,
                                                              direction,
                                                              radius,
                                                              morphType,
                                                              bounds));
-    paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);
+    paint.setPorterDuffXPFactory(SkBlendMode::kSrc);
     drawContext->fillRectToRect(clip, paint, SkMatrix::I(), SkRect::Make(dstRect),
                                      SkRect::Make(srcRect));
 }
 
 static void apply_morphology_rect_no_bounds(GrDrawContext* drawContext,
                                             const GrClip& clip,
                                             GrTexture* texture,
                                             const SkIRect& srcRect,
                                             const SkIRect& dstRect,
                                             int radius,
                                             GrMorphologyEffect::MorphologyType morphType,
                                             Gr1DKernelEffect::Direction direction) {
     GrPaint paint;
     paint.setGammaCorrect(drawContext->isGammaCorrect());
     paint.addColorFragmentProcessor(GrMorphologyEffect::Make(texture, direction, radius,
                                                              morphType));
-    paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);
+    paint.setPorterDuffXPFactory(SkBlendMode::kSrc);
     drawContext->fillRectToRect(clip, paint, SkMatrix::I(), SkRect::Make(dstRect),
                                 SkRect::Make(srcRect));
 }
 
 static void apply_morphology_pass(GrDrawContext* drawContext,
                                   const GrClip& clip,
                                   GrTexture* texture,
                                   const SkIRect& srcRect,
                                   const SkIRect& dstRect,
                                   int radius,
@@ skipping 201 matching lines @@
                     inputBM.getAddr32(srcBounds.left(), srcBounds.top()),
                     inputBM.rowBytesAsPixels(),
                     &dst, height, srcBounds);
     }
     offset->fX = bounds.left();
     offset->fY = bounds.top();
 
     return SkSpecialImage::MakeFromRaster(SkIRect::MakeWH(bounds.width(), bounds.height()),
                                           dst, &source->props());
 }