switch surface to sk_sp

src/image/SkImage_Gpu.h

Index: src/image/SkImage_Gpu.h
diff --git a/src/image/SkImage_Gpu.h b/src/image/SkImage_Gpu.h
index 8f59af14a4681d9225f6d5220aaf0bf334652e20..333a96386e2f9a81d2ea85f9f329b25169216bb9 100644
--- a/src/image/SkImage_Gpu.h
+++ b/src/image/SkImage_Gpu.h
@@ -42,8 +42,8 @@ public:
     bool onReadPixels(const SkImageInfo&, void* dstPixels, size_t dstRowBytes,
                       int srcX, int srcY, CachingHint) const override;
 
-    SkSurface* onNewSurface(const SkImageInfo& info) const override {
-        return SkSurface::NewRenderTarget(fTexture->getContext(), SkBudgeted::kNo, info);
+    sk_sp<SkSurface> onNewSurface(const SkImageInfo& info) const override {
+        return SkSurface::MakeRenderTarget(fTexture->getContext(), SkBudgeted::kNo, info);
     }
 
     bool asBitmapForImageFilters(SkBitmap* bitmap) const override;