switch maskfilters to sk_sp

gm/largeglyphblur.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gm.h"
 
 #include "SkBlurMask.h"
 #include "SkBlurMaskFilter.h"
 #include "SkCanvas.h"
 #include "SkTextBlob.h"
 
 // This test ensures that glyphs whose point size is less than the SkGlyphCache's maxmium, but
 // who have a large blur, are still handled correctly
 DEF_SIMPLE_GM(largeglyphblur, canvas, 1920, 600) {
         const char text[] = "Hamburgefons";
 
         SkPaint paint;
         sk_tool_utils::set_portable_typeface(&paint);
         paint.setTextSize(256);
         paint.setAntiAlias(true);
 
         // setup up maskfilter
         static const SkScalar kSigma = SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(40));
 
         SkPaint blurPaint(paint);
-        SkAutoTUnref<SkMaskFilter> mf(SkBlurMaskFilter::Create(kNormal_SkBlurStyle, kSigma));
-        blurPaint.setMaskFilter(mf);
+        blurPaint.setMaskFilter(SkBlurMaskFilter::Make(kNormal_SkBlurStyle, kSigma));
 
         SkTextBlobBuilder builder;
 
         sk_tool_utils::add_to_text_blob(&builder, text, paint, 0, 0);
 
         SkAutoTUnref<const SkTextBlob> blob(builder.build());
         canvas->drawTextBlob(blob.get(), 10, 200, blurPaint);
         canvas->drawTextBlob(blob.get(), 10, 200, paint);
 
         size_t len = strlen(text);
         canvas->drawText(text, len, 10, 500, blurPaint);
         canvas->drawText(text, len, 10, 500, paint);
 }