Rename ShFragmentSynchronizationType::None -> NoSynchronization Use a less generic name. X11.h contains: #define None 0L /* universal null resource or null atom */ Bug: angleproject:7279 Change-Id: I7d245b9f771211dea151bfc12363a03374264ac4 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3824717 Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>