switch surface to sk_sp

gm/drawbitmaprect.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 "SkBlurMask.h"
 #include "SkBlurMaskFilter.h"
@@ skipping 18 matching lines @@
             p[x] = ((x + y) & 1) ? SK_ColorWHITE : SK_ColorBLACK;
         }
     }
     bm.unlockPixels();
     return bm;
 }
 
 static sk_sp<SkImage> makebm(SkCanvas* origCanvas, SkBitmap* resultBM, int w, int h) {
     SkImageInfo info = SkImageInfo::MakeN32Premul(w, h);
     
-    SkAutoTUnref<SkSurface> surface(origCanvas->newSurface(info));
+    auto surface(origCanvas->makeSurface(info));
     if (nullptr == surface) {
         // picture canvas will return null, so fall-back to raster
-        surface.reset(SkSurface::NewRaster(info));
+        surface = SkSurface::MakeRaster(info);
     }
 
     SkCanvas* canvas = surface->getCanvas();
 
     canvas->clear(SK_ColorTRANSPARENT);
 
     SkScalar wScalar = SkIntToScalar(w);
     SkScalar hScalar = SkIntToScalar(h);
 
     SkPoint     pt = { wScalar / 2, hScalar / 2 };
@@ skipping 167 matching lines @@
             canvas->drawBitmapRect(bm, srcRect, dstRect, &paint);
         }
     }
 
 private:
     typedef skiagm::GM INHERITED;
 };
 
 DEF_GM( return new DrawBitmapRectGM(canvasproc, nullptr); )
 DEF_GM( return new DrawBitmapRectGM(imageproc, "-imagerect"); )