Discourage use of base::Passed().

See discussion thread: https://groups.google.com/a/chromium.org/forum/#!topic/chromium-dev/8PJU6CEyGwg

No-Try: true
Bug: 812523
Change-Id: Ie021ad6803dbbaf02a4caba37c6b8a50a006b251
Reviewed-on: https://chromium-review.googlesource.com/919066
Commit-Queue: Max Morin <maxmorin@chromium.org>
Reviewed-by: Gabriel Charette <gab@chromium.org>
Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Cr-Commit-Position: refs/heads/master@{#537637}
2 files changed