WebKit's SVN continues to abhor tabs.

Bug: angleproject:3439
Change-Id: Ib97fc97c0eb7401f73ea493a7b679f78afc1a8c4
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2606658Reviewed-by: Kenneth Russell <kbr@chromium.org>
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Commit-Queue: James Darpinian <jdarpinian@chromium.org>