switch surface to sk_sp

src/image/SkImage_Base.h

Index: src/image/SkImage_Base.h
diff --git a/src/image/SkImage_Base.h b/src/image/SkImage_Base.h
index 8dc2cb6eae9f0157af65c1827f0cb08151b24a8f..ec5556a50d3f3cda7d6190077374d74fcff96315 100644
--- a/src/image/SkImage_Base.h
+++ b/src/image/SkImage_Base.h
@@ -39,8 +39,8 @@ public:
     // but only inspect them (or encode them).
     virtual bool getROPixels(SkBitmap*, CachingHint = kAllow_CachingHint) const = 0;
 
-    virtual SkSurface* onNewSurface(const SkImageInfo& info) const {
-        return SkSurface::NewRaster(info);
+    virtual sk_sp<SkSurface> onNewSurface(const SkImageInfo& info) const {
+        return SkSurface::MakeRaster(info);
     }
 
     // Caller must call unref when they are done.