GitLab

Refactor ReturnEarlyIfAborted function to only call
abort_callback_ if it is not already called since
it is possible that OnVmShutdown could call it,
and then another delayed callback could also call it.

Bug: 1013059
Change-Id: I33108b158ccc60e405c5ecf09d4cec3d65b3edec
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1880242Reviewed-by: Nicholas Verne <nverne@chromium.org>
Commit-Queue: Joel Hockey <joelhockey@chromium.org>
Cr-Commit-Position: refs/heads/master@{#710142}