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It's hard to be sure that the different permissions are correct without
documentation of what the parameters mean.

BUG=None
TEST=Compiles.

Change-Id: If11e34593c38ae66b65e8b9ede8fb3198a03967e
Reviewed-on: https://chromium-review.googlesource.com/1186982Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Jorge Lucangeli Obes <jorgelo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#586330}