tree befe592043d280080ca1ef11508f5a26aa4a5845
parent 9266918fe25f3a3795c0c2b7d35c8708818ece8e
author rkj <rkj@google.com> 1456988984 -0800
committer Alan Knight <alanknight@google.com> 1457627293 -0800

Make the ignored parameters optionals, so can be removed from clients.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=116221979