Update SkBlurImageFilter to sk_sp

gm/imagefiltersbase.cpp

 /*
  * Copyright 2011 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 "SkCanvas.h"
 #include "SkColorFilter.h"
@@ skipping 180 matching lines @@
             draw_line, draw_rect, draw_path, draw_text,
             draw_bitmap,
         };
 
         auto cf = SkColorFilter::MakeModeFilter(SK_ColorRED, SkXfermode::kSrcIn_Mode);
         SkImageFilter* filters[] = {
             nullptr,
             IdentityImageFilter::Create(),
             FailImageFilter::Create(),
             SkColorFilterImageFilter::Create(cf.get()),
-            SkBlurImageFilter::Create(12.0f, 0.0f),
+            SkBlurImageFilter::Make(12.0f, 0.0f, nullptr).release(),
             SkDropShadowImageFilter::Create(10.0f, 5.0f, 3.0f, 3.0f, SK_ColorBLUE,
                 SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode),
         };
 
         SkRect r = SkRect::MakeWH(SkIntToScalar(64), SkIntToScalar(64));
         SkScalar MARGIN = SkIntToScalar(16);
         SkScalar DX = r.width() + MARGIN;
         SkScalar DY = r.height() + MARGIN;
 
         canvas->translate(MARGIN, MARGIN);
@@ skipping 89 matching lines @@
 
 private:
     typedef GM INHERITED;
 };
 
 class ImageFiltersText_IF : public ImageFiltersTextBaseGM {
 public:
     ImageFiltersText_IF() : ImageFiltersTextBaseGM("image") {}
 
     void installFilter(SkPaint* paint) override {
-        paint->setImageFilter(SkBlurImageFilter::Create(1.5f, 1.5f))->unref();
+        paint->setImageFilter(SkBlurImageFilter::Make(1.5f, 1.5f, nullptr));
     }
 };
 DEF_GM( return new ImageFiltersText_IF; )
 
 class ImageFiltersText_CF : public ImageFiltersTextBaseGM {
 public:
     ImageFiltersText_CF() : ImageFiltersTextBaseGM("color") {}
 
     void installFilter(SkPaint* paint) override {
         paint->setColorFilter(SkColorFilter::MakeModeFilter(SK_ColorBLUE, SkXfermode::kSrcIn_Mode));
     }
 };
 DEF_GM( return new ImageFiltersText_CF; )