Add typemaps for chrome_cleaner interfaces.

Bug: 830892
Change-Id: Ia87628d081cd11f415c56cd067237c4d6536b432
Reviewed-on: https://chromium-review.googlesource.com/1172733
Reviewed-by: John Abd-El-Malek <jam@chromium.org>
Reviewed-by: Will Harris <wfh@chromium.org>
Commit-Queue: Joe Mason <joenotcharles@chromium.org>
Cr-Commit-Position: refs/heads/master@{#587314}
20 files changed