guard flag, so we can remove it and force clients to opt-in

Bug: skia:
Change-Id: Ia4e5a735d8527ca17a2a19db16205490870510b3
Reviewed-on: https://skia-review.googlesource.com/c/172064
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
1 file changed