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Most changes are cosmetic.

Bug: 780299
Change-Id: I346ec1b6bd11ef20ef8018989b51c9c5842c4dee
Reviewed-on: https://chromium-review.googlesource.com/701468
Commit-Queue: Matt Braithwaite <mab@google.com>
Reviewed-by: Adam Langley <agl@chromium.org>
Cr-Commit-Position: refs/heads/master@{#521217}