GitLab

Supports Python's multiprocessing on platforms that do not
support 'fork'.

Bug: 839389
Change-Id: I2dbe28686c3d73badcbf6e07e403079a981f6b00
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2153166Reviewed-by: Hitoshi Yoshida <peria@chromium.org>
Commit-Queue: Yuki Shiino <yukishiino@chromium.org>
Cr-Commit-Position: refs/heads/master@{#759952}