BUG=angleproject:1955
TESTCASE=angle_end2end_tests

Change-Id: I69b4df83d67017d39df67753d6d17fc15ececebf
Reviewed-on: https://chromium-review.googlesource.com/462067
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>