Update DM to allow Src's to have optional options.
Review URL: https://codereview.chromium.org/1059513002
diff --git a/dm/DMJsonWriter.h b/dm/DMJsonWriter.h
index 5934846..67c9cf6 100644
--- a/dm/DMJsonWriter.h
+++ b/dm/DMJsonWriter.h
@@ -26,6 +26,7 @@
SkString name; // E.g. "ninepatch-stretch", "desk_gws.skp"
SkString config; // "gpu", "8888", "serialize", "pipe"
SkString sourceType; // "gm", "skp", "image"
+ SkString sourceOptions; // "image", "codec", "subset", "scanline"
SkString md5; // In ASCII, so 32 bytes long.
SkString ext; // Extension of file we wrote: "png", "pdf", ...
};