remove deprecated skia transfer mode usage

core/fxge/skia/fx_skia_device.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <algorithm>
 #include <vector>
 
 #include "core/fxcodec/fx_codec.h"
 #include "core/fxcrt/fx_memory.h"
 
@@ skipping 368 matching lines @@
 }
 
 void SetBitmapPaint(bool isAlphaMask,
                     uint32_t argb,
                     int bitmap_alpha,
                     int blend_type,
                     SkPaint* paint) {
   paint->setAntiAlias(true);
   if (isAlphaMask) {
     paint->setColorFilter(
-        SkColorFilter::MakeModeFilter(argb, SkXfermode::kSrc_Mode));
+        SkColorFilter::MakeModeFilter(argb, SkBlendMode::kSrc));
   }
   // paint->setFilterQuality(kHigh_SkFilterQuality);
   paint->setBlendMode(GetSkiaBlendMode(blend_type));
   paint->setAlpha(bitmap_alpha);
 }
 
 bool Upsample(const CFX_DIBSource* pSource,
               std::unique_ptr<uint8_t, FxFreeDeleter>& dst8Storage,
               std::unique_ptr<uint32_t, FxFreeDeleter>& dst32Storage,
               SkColorTable** ctPtr,
@@ skipping 1125 matching lines @@
   m_pCanvas->concat(skMatrix);
   SkPaint paint;
   SetBitmapPaint(pSource->IsAlphaMask(), 0xFFFFFFFF, bitmap_alpha, blend_type,
                  &paint);
   sk_sp<SkImage> skSrc = SkImage::MakeFromBitmap(skBitmap);
   sk_sp<SkShader> skSrcShader =
       skSrc->makeShader(SkShader::kClamp_TileMode, SkShader::kClamp_TileMode);
   sk_sp<SkImage> skMaskImage = SkImage::MakeFromBitmap(skMask);
   sk_sp<SkShader> skMaskShader = skMaskImage->makeShader(
       SkShader::kClamp_TileMode, SkShader::kClamp_TileMode);
-  sk_sp<SkXfermode> dstInMode = SkXfermode::Make(SkXfermode::kSrcIn_Mode);
-  paint.setShader(
-      SkShader::MakeComposeShader(skMaskShader, skSrcShader, dstInMode));
+  paint.setShader(SkShader::MakeComposeShader(skMaskShader, skSrcShader,
+                                              SkBlendMode::kSrcIn));
   SkRect r = {0, 0, SkIntToScalar(srcWidth), SkIntToScalar(srcHeight)};
   m_pCanvas->drawRect(r, paint);
   m_pCanvas->restore();
   if (srcCt)
     srcCt->unref();
   DebugValidate(m_pBitmap, m_pOriDevice);
   return true;
 }
 
 bool CFX_SkiaDeviceDriver::SetBitsWithMask(const CFX_DIBSource* pBitmap,
@@ skipping 121 matching lines @@
       uint8_t g = SkGetPackedG32(srcRow[x]);
       uint8_t b = SkGetPackedB32(srcRow[x]);
       SkA32Assert(a);
       SkASSERT(r <= a);
       SkASSERT(g <= a);
       SkASSERT(b <= a);
     }
   }
 #endif
 }