switch maskfilters to sk_sp

gm/rects.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 "SkBlurDrawLooper.h"
 #include "SkBlurMask.h"
@@ skipping 46 matching lines @@
             p.setAntiAlias(true);
             p.setAlpha(0x66);
             fPaints.push_back(p);
         }
 
         {
             // AA with mask filter
             SkPaint p;
             p.setColor(SK_ColorWHITE);
             p.setAntiAlias(true);
-            SkMaskFilter* mf = SkBlurMaskFilter::Create(
+            p.setMaskFilter(SkBlurMaskFilter::Make(
                                    kNormal_SkBlurStyle,
                                    SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(5)),
-                                   SkBlurMaskFilter::kHighQuality_BlurFlag);
-            p.setMaskFilter(mf)->unref();
+                                   SkBlurMaskFilter::kHighQuality_BlurFlag));
             fPaints.push_back(p);
         }
 
         {
             // AA with radial shader
             SkPaint p;
             p.setColor(SK_ColorWHITE);
             p.setAntiAlias(true);
             SkPoint center = SkPoint::Make(SkIntToScalar(-5), SkIntToScalar(30));
             SkColor colors[] = { SK_ColorBLUE, SK_ColorRED, SK_ColorGREEN };
@@ skipping 198 matching lines @@
 
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static GM* MyFactory(void*) { return new RectsGM; }
 static GMRegistry reg(MyFactory);
 
 }