Dawn uses symbols in its API which Xlib.h #defines, which causes
compile-time conflicts. However, they do need to work in Chrome, so we
work around them the way Chrome does: by redefining them as static
constants (see https://cs.chromium.org/chromium/src/ui/gfx/x/x11.h).
Change-Id: Ibef0fd9976503cd606aa0fa646998df54675efb2
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/250998
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
ebe2ac5f95