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* Suppress a lint warning that is expected.
* For methods whose visibility is relaxed not only for the reason of
  testing, remove the @VisibleForTesting annotation.

Bug: 1108022
Change-Id: I3f8004e3b27cfbbc82a8061c19e57e1662a0691a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2315926Reviewed-by: Wei-Yin Chen (陳威尹) <wychen@chromium.org>
Reviewed-by: Ted Choc <tedchoc@chromium.org>
Commit-Queue: Yue Zhang <yuezhanggg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#791974}