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This change introduces new error codes for these responses.

Bug: 850720
Change-Id: I85462e964a573bf310b7b0ae5e9180e2e87eafdc
Reviewed-on: https://chromium-review.googlesource.com/1091876Reviewed-by: Joshua Pawlicki <waffles@chromium.org>
Commit-Queue: Sorin Jianu <sorin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#565719}