GitLab

This CL switches base::File::Flush() from fsync() to fdatasync() on
Fuchsia. This matches the behavior on all other POSIX platforms that
implement fdatasync().

Change-Id: I69406ff5091fca626004370d70b5530c4a23f2c7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2394722
Commit-Queue: Victor Costan <pwnall@chromium.org>
Auto-Submit: Victor Costan <pwnall@chromium.org>
Reviewed-by: Wez <wez@chromium.org>
Cr-Commit-Position: refs/heads/master@{#813567}