WebGL Compat: forbid client side arrays, even unused BUG=angleproject:2064 Change-Id: I9a9c2df9a158799dbdc490446352cdf30fb87ca6 Reviewed-on: https://chromium-review.googlesource.com/537812 Commit-Queue: Corentin Wallez <cwallez@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org>