switch maskfilters to sk_sp

gm/samplerstress.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 "gm.h"
 #include "SkBlurMaskFilter.h"
 #include "SkCanvas.h"
@@ skipping 58 matching lines @@
             return;
         }
 
         createTexture();
 
         fShader = SkShader::MakeBitmapShader(fTexture, SkShader::kRepeat_TileMode,
                                              SkShader::kRepeat_TileMode);
     }
 
     void createMaskFilter() {
-        if (fMaskFilter.get()) {
+        if (fMaskFilter) {
             return;
         }
 
         const SkScalar sigma = 1;
-        fMaskFilter.reset(SkBlurMaskFilter::Create(kNormal_SkBlurStyle, sigma));
+        fMaskFilter = SkBlurMaskFilter::Make(kNormal_SkBlurStyle, sigma);
     }
 
     void onDraw(SkCanvas* canvas) override {
         createShader();
         createMaskFilter();
 
         canvas->save();
 
         // draw a letter "M" with a green & red striped texture and a
         // stipple mask with a round rect soft clip
         SkPaint paint;
         paint.setAntiAlias(true);
         paint.setTextSize(72);
         paint.setShader(fShader);
-        paint.setMaskFilter(fMaskFilter.get());
+        paint.setMaskFilter(fMaskFilter);
         sk_tool_utils::set_portable_typeface(&paint);
 
         SkRect temp;
         temp.set(SkIntToScalar(115),
                  SkIntToScalar(75),
                  SkIntToScalar(144),
                  SkIntToScalar(110));
 
         SkPath path;
         path.addRoundRect(temp, SkIntToScalar(5), SkIntToScalar(5));
@@ skipping 21 matching lines @@
 
         paint2.setColor(sk_tool_utils::color_to_565(SK_ColorGRAY));
 
         canvas->drawPath(path, paint2);
     }
 
 private:
     SkBitmap        fTexture;
     bool            fTextureCreated;
     sk_sp<SkShader> fShader;
-    SkAutoTUnref<SkMaskFilter> fMaskFilter;
+    sk_sp<SkMaskFilter> fMaskFilter;
 
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static GM* MyFactory(void*) { return new SamplerStressGM; }
 static GMRegistry reg(MyFactory);
 
 }