switch surface to sk_sp

gm/ninepatchstretch.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 "SkSurface.h"
 
-static SkSurface* make_surface(SkCanvas* root, int N) {
+static sk_sp<SkSurface> make_surface(SkCanvas* root, int N) {
     SkImageInfo info = SkImageInfo::MakeN32Premul(N, N);
-    SkSurface* surface = root->newSurface(info);
+    auto surface = root->makeSurface(info);
     if (!surface) {
-        surface = SkSurface::NewRaster(info);
+        surface = SkSurface::MakeRaster(info);
     }
     return surface;
 }
 
 static sk_sp<SkImage> make_image(SkCanvas* root, SkIRect* center) {
     const int kFixed = 28;
     const int kStretchy = 8;
     const int kSize = 2*kFixed + kStretchy;
 
-    SkAutoTUnref<SkSurface> surface(make_surface(root, kSize));
+    auto surface(make_surface(root, kSize));
     SkCanvas* canvas = surface->getCanvas();
 
     SkRect r = SkRect::MakeWH(SkIntToScalar(kSize), SkIntToScalar(kSize));
     const SkScalar strokeWidth = SkIntToScalar(6);
     const SkScalar radius = SkIntToScalar(kFixed) - strokeWidth/2;
 
     center->setXYWH(kFixed, kFixed, kStretchy, kStretchy);
 
     SkPaint paint;
     paint.setAntiAlias(true);
@@ skipping 68 matching lines @@
                 }
             }
         }
     }
 
 private:
     typedef skiagm::GM INHERITED;
 };
 DEF_GM( return new NinePatchStretchGM; )