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Outside of Chrome OS mojoms there are still a few places using
deprecated interface type syntax. This fixes those.

Bug: 955171
Change-Id: I1cd2eb4ac99e8f47f0eaf76d0595cb050372c926
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2248163Reviewed-by: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Jonathan Ross <jonross@chromium.org>
Commit-Queue: Ken Rockot <rockot@google.com>
Cr-Commit-Position: refs/heads/master@{#778974}