switch surface to sk_sp

gm/imagetoyuvplanes.cpp

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include <SkSurface.h>
 #include "gm.h"
 #include "SkBitmap.h"
 #include "SkGradientShader.h"
 #include "SkImage.h"
 
 static sk_sp<SkImage> create_image(GrContext* context, int width, int height) {
-    SkAutoTUnref<SkSurface> surface;
+    sk_sp<SkSurface> surface;
     SkImageInfo info = SkImageInfo::MakeN32Premul(width, height);
     if (context) {
-        surface.reset(SkSurface::NewRenderTarget(context,  SkBudgeted::kYes, info, 0));
+        surface = SkSurface::MakeRenderTarget(context,  SkBudgeted::kYes, info);
     } else {
-        surface.reset(SkSurface::NewRaster(info));
+        surface = SkSurface::MakeRaster(info);
     }
     if (!surface) {
         return nullptr;
     }
     // Create an RGB image from which we will extract planes
     SkPaint paint;
     static const SkColor kColors[] =
             { SK_ColorBLUE, SK_ColorYELLOW, SK_ColorGREEN, SK_ColorWHITE };
     SkScalar r = (width + height) / 4.f;
     paint.setShader(SkGradientShader::MakeRadial(SkPoint::Make(0,0), r, kColors,
@@ skipping 70 matching lines @@
                 for (int i = 0; i < 3; ++i) {
                     canvas->drawBitmap(yuvBmps[i], x, y);
                     y += kPad + yuvBmps[i].height();
                 }
             }
         }
 
         x += rgbImage->width() + kPad;
     }
 }