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Now we can independently enable/disable each type, which is useful when
we rollout personal info experiment in stable.

Bug: 1042084
Change-Id: I2e355fa2fb00fddc2bb94cf66e5056153c205abe
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2409684Reviewed-by: Keith Lee <keithlee@chromium.org>
Commit-Queue: Jing Wang <jiwan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#807370}