GitLab

Removes support for the no longer used OwnPtr

Bug: 
Change-Id: I38faf4aedb9bbc335c9f61bb5e38771338f1a187
Reviewed-on: https://chromium-review.googlesource.com/720861Reviewed-by: Kentaro Hara <haraken@chromium.org>
Commit-Queue: Keishi Hattori <keishi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#509337}