Remove use of deprecated goog.struct classes.
Remove use of deprecated goog.struct classes.

Tested:
    tap_presubmit: []
    Some tests failed; test failures are believed to be unrelated to this CL

	Change on 2018/03/26 by mrolig <mrolig@google.com>

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=190533021

google/jsaction,google/jsaction