switch surface to sk_sp

gm/imagefilterstransformed.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 "sk_tool_utils.h"
 #include "SkBlurImageFilter.h"
 #include "SkColor.h"
@@ skipping 11 matching lines @@
 
 // This GM draws image filters with a CTM containing shearing / rotation.
 // It checks that the scale portion of the CTM is correctly extracted
 // and applied to the image inputs separately from the non-scale portion.
 
 static sk_sp<SkImage> make_gradient_circle(int width, int height) {
     SkScalar x = SkIntToScalar(width / 2);
     SkScalar y = SkIntToScalar(height / 2);
     SkScalar radius = SkMinScalar(x, y) * 0.8f;
 
-    SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(width, height));
+    auto surface(SkSurface::MakeRasterN32Premul(width, height));
     SkCanvas* canvas = surface->getCanvas();
 
     canvas->clear(0x00000000);
     SkColor colors[2];
     colors[0] = SK_ColorWHITE;
     colors[1] = SK_ColorBLACK;
     SkPaint paint;
     paint.setShader(SkGradientShader::MakeRadial(SkPoint::Make(x, y), radius, colors, nullptr, 2,
                                                  SkShader::kClamp_TileMode));
     canvas->drawCircle(x, y, radius, paint);
@@ skipping 73 matching lines @@
     sk_sp<SkImage> fCheckerboard;
     sk_sp<SkImage> fGradientCircle;
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_GM( return new ImageFiltersTransformedGM; )
 
 }