switch surface to sk_sp

gm/imagescalealigned.cpp

 /*
  * Copyright 2015 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 "SkImage.h"
@@ skipping 55 matching lines @@
         SkSTArray<3, sk_sp<SkImage>, true>  fImages;
         SkSTArray<3, SkScalar>              fScales;
         SkVector                            fVector;
     };
 
     static sk_sp<SkImage> MakeImage(const SkVector& vec, SkColor color) {
         const SkPoint start = SkPoint::Make(vec.y() * kSegLen / 2, vec.x() * kSegLen / 2);
         const SkPoint end   = SkPoint::Make(start.x() + vec.x() * (kSegLen - 1),
                                             start.y() + vec.y() * (kSegLen - 1));
 
-        SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(kSegLen, kSegLen));
+        auto surface(SkSurface::MakeRasterN32Premul(kSegLen, kSegLen));
         surface->getCanvas()->clear(SK_ColorTRANSPARENT);
 
         SkPaint paint;
         paint.setAntiAlias(true);
         const SkRect border = SkRect::MakeIWH(kSegLen, kSegLen).makeInset(.5f, .5f);
         paint.setColor(SK_ColorBLUE);
         paint.setStyle(SkPaint::kStroke_Style);
         surface->getCanvas()->drawRect(border, paint);
 
         paint.setColor(SK_ColorBLACK);
@@ skipping 52 matching lines @@
     }
 
     static const unsigned  kSegLen = 15;
     static const unsigned  kStretchFactor = 4;
     SkSTArray<2, ImageSet> fSets;
 
     typedef GM INHERITED;
 };
 
 DEF_GM(return new ImageScaleAlignedGM();)