switch xfermodes over to sk_sp

samplecode/SampleFilterFuzz.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "SampleCode.h"
 #include "Sk1DPathEffect.h"
 #include "Sk2DPathEffect.h"
 #include "SkAlphaThresholdFilter.h"
@@ skipping 564 matching lines @@
     case BLUR:
         filter = SkBlurImageFilter::Create(make_scalar(true), make_scalar(true), make_image_filter());
         break;
     case MAGNIFIER:
         filter = SkMagnifierImageFilter::Create(make_rect(), make_scalar(true));
         break;
     case DOWN_SAMPLE:
         filter = SkDownSampleImageFilter::Create(make_scalar());
         break;
     case XFERMODE:
-    {
-        SkAutoTUnref<SkXfermode> mode(SkXfermode::Create(make_xfermode()));
-        filter = SkXfermodeImageFilter::Create(mode, make_image_filter(), make_image_filter());
-    }
+        filter = SkXfermodeImageFilter::Make(SkXfermode::Make(make_xfermode()),
+                                             make_image_filter(), make_image_filter(),
+                                             nullptr).release();
         break;
     case OFFSET:
         filter = SkOffsetImageFilter::Create(make_scalar(), make_scalar(), make_image_filter());
         break;
     case MATRIX:
         filter = SkImageFilter::CreateMatrixFilter(make_matrix(),
                                                    (SkFilterQuality)R(4),
                                                    make_image_filter());
         break;
     case MATRIX_CONVOLUTION:
@@ skipping 206 matching lines @@
     }
 
 private:
     typedef SkView INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static SkView* MyFactory() { return new ImageFilterFuzzView; }
 static SkViewRegister reg(MyFactory);