Revert of add Make variations to return SkImage by sk_sp

src/image/SkSurface_Raster.cpp

Index: src/image/SkSurface_Raster.cpp
diff --git a/src/image/SkSurface_Raster.cpp b/src/image/SkSurface_Raster.cpp
index 192415341f8150e5500ea82cdb7d4b7374d1a9be..d07e94998f6aa3606daaa9425ddba800070781c1 100644
--- a/src/image/SkSurface_Raster.cpp
+++ b/src/image/SkSurface_Raster.cpp
@@ -131,7 +131,7 @@
 
     // Our pixels are in memory, so read access on the snapshot SkImage could be cheap.
     // Lock the shared pixel ref to ensure peekPixels() is usable.
-    return SkMakeImageFromRasterBitmap(fBitmap, forceCopyMode).release();
+    return SkNewImageFromRasterBitmap(fBitmap, forceCopyMode);
 }
 
 void SkSurface_Raster::onRestoreBackingMutability() {