switch surface to sk_sp

tests/GrTextureMipMapInvalidationTest.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkTypes.h"
 
 #if SK_SUPPORT_GPU
@@ skipping 23 matching lines @@
     REPORTER_ASSERT(reporter, nullptr != texRT2);
     GrTexture* tex = texRT1->asTexture();
     REPORTER_ASSERT(reporter, nullptr != tex);
     SkBitmap bitmap;
     GrWrapTextureInBitmap(tex, 256, 256, false, &bitmap);
 
     // No mipmaps initially
     REPORTER_ASSERT(reporter, false == tex->texturePriv().hasMipMaps());
 
     // Painting with downscale and medium filter quality should result in mipmap creation
-    SkSurface* surface = SkSurface::NewRenderTargetDirect(texRT2->asRenderTarget());
+    auto surface = SkSurface::MakeRenderTargetDirect(texRT2->asRenderTarget());
     SkPaint paint;
     paint.setFilterQuality(kMedium_SkFilterQuality);
     surface->getCanvas()->scale(0.2f, 0.2f);
     surface->getCanvas()->drawBitmap(bitmap, 0, 0, &paint);
     context->flush();
 
     REPORTER_ASSERT(reporter, true == tex->texturePriv().hasMipMaps());
     REPORTER_ASSERT(reporter, false == tex->texturePriv().mipMapsAreDirty());
 
     // Invalidating the contents of the bitmap should invalidate the mipmap, but not de-allocate
     bitmap.notifyPixelsChanged();
     REPORTER_ASSERT(reporter, true == tex->texturePriv().hasMipMaps());
     REPORTER_ASSERT(reporter, true == tex->texturePriv().mipMapsAreDirty());
 
-    surface->unref();
     texRT1->unref();
     texRT2->unref();
 }
 
 #endif