This ASSERT was benign and can be turned into an error check. The
pattern in question is to initialize an array with another array
as the first argument, but dereferencing the array with "." instead
of "[]". This would trip up our error handling.

BUG=chromium:662702

Change-Id: Ie0e44af7b9d1a66cad03cefae9bf931f8e216cd9
Reviewed-on: https://chromium-review.googlesource.com/437599
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>