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

samplecode/SampleApp.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SampleApp.h"
 
 #include "OverView.h"
@@ skipping 334 matching lines @@
                                                                 SkBudgeted::kNo));
 
             SkCanvas* gpuCanvas = fGpuSurface->getCanvas();
 
             // With ten-bit output, we need to manually apply the gamma of the output device
             // (unless we're in non-gamma correct mode, in which case our data is already
             // fake-sRGB, like we're expected to put in the 10-bit buffer):
             bool doGamma = (fActualColorBits == 30) && SkImageInfoIsGammaCorrect(win->info());
 
             SkPaint gammaPaint;
-            gammaPaint.setXfermodeMode(SkXfermode::kSrc_Mode);
+            gammaPaint.setBlendMode(SkBlendMode::kSrc);
             if (doGamma) {
                 gammaPaint.setColorFilter(SkGammaColorFilter::Make(1.0f / 2.2f));
             }
 
             gpuCanvas->drawImage(image, 0, 0, &gammaPaint);
         }
 
         fGpuSurface->prepareForExternalIO();
 #endif
 
@@ skipping 2026 matching lines @@
 #ifdef SK_BUILD_FOR_MAC
     setenv("ANDROID_ROOT", "/android/device/data", 0);
 #endif
     SkGraphics::Init();
     SkEvent::Init();
 }
 
 void application_term() {
     SkEvent::Term();
 }