Reland: Oilpan: Immediatelly promptly free objects.

Bug: chromium:804279, chromium:633030
Change-Id: I47f3b5ae087971105e64262cfe2e65495f99f3ca
Reviewed-on: https://chromium-review.googlesource.com/893181
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Commit-Queue: Hannes Payer <hpayer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#532909}
2 files changed