GitLab

base::TestIOThread::PostTask is a left-over of the OnceCallback support
of TaskRunner::PostTask, that is needed by its user to migrate to
OnceCallback.

Bug: 714018
Change-Id: Iceb18fb84bde555e4fa217c32e463e01adf034a1
Reviewed-on: https://chromium-review.googlesource.com/997313Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Commit-Queue: Taiju Tsuiki <tzik@chromium.org>
Cr-Commit-Position: refs/heads/master@{#550135}