Roll WebGL a2b3563..f22b9ad

https://chromium.googlesource.com/external/khronosgroup/webgl.git/+log/a2b3563..f22b9ad

Bug: 739604
Tbr: jdarpinian@chromium.org
Cq-Include-Trybots: luci.chromium.try:win_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux_angle_rel_ng;luci.chromium.try:win_angle_rel_ng
Change-Id: I4292af75c9dae2ecd8afd34ac37f025addfb3349
Reviewed-on: https://chromium-review.googlesource.com/c/1401602
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Reviewed-by: James Darpinian <jdarpinian@chromium.org>
Commit-Queue: Kenneth Russell <kbr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#621028}
2 files changed