switch maskfilters to sk_sp

gm/blurquickreject.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 "gm.h"
 #include "SkBlurMask.h"
 #include "SkBlurMaskFilter.h"
@@ skipping 38 matching lines @@
         };
         SkASSERT(SK_ARRAY_COUNT(colors) == SK_ARRAY_COUNT(blurRects));
 
         SkPaint hairlinePaint;
         hairlinePaint.setStyle(SkPaint::kStroke_Style);
         hairlinePaint.setColor(SK_ColorWHITE);
         hairlinePaint.setStrokeWidth(0);
 
         SkPaint blurPaint;
         blurPaint.setFilterQuality(kLow_SkFilterQuality);
-        SkMaskFilter* mf = SkBlurMaskFilter::Create(kNormal_SkBlurStyle,
-                                                    SkBlurMask::ConvertRadiusToSigma(kBlurRadius));
-        blurPaint.setMaskFilter(mf)->unref();
+        blurPaint.setMaskFilter(SkBlurMaskFilter::Make(kNormal_SkBlurStyle,
+                                                    SkBlurMask::ConvertRadiusToSigma(kBlurRadius)));
 
         canvas->clear(SK_ColorBLACK);
         canvas->save();
         canvas->translate(kBoxSize, kBoxSize);
         canvas->drawRect(clipRect, hairlinePaint);
         canvas->clipRect(clipRect);
         for (size_t i = 0; i < SK_ARRAY_COUNT(blurRects); ++i) {
             blurPaint.setColor(colors[i]);
             canvas->drawRect(blurRects[i], blurPaint);
             canvas->drawRect(blurRects[i], hairlinePaint);
         }
         canvas->restore();
     }
 
 private:
     static const int kWidth = 300;
     static const int kHeight = 300;
 
     typedef GM INHERITED;
 };
 
 DEF_GM( return new BlurQuickRejectGM(); )