FuzzCanvas: NullGL & DebugGL

Change-Id: I369750c5614ee3b632ff33c82e04125e7c2dfefd
Reviewed-on: https://skia-review.googlesource.com/9942
Reviewed-by: Kevin Lubick <kjlubick@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Hal Canary <halcanary@google.com>
1 file changed