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These are leftovers after https://codereview.chromium.org/1804813002
deleted the function bodies and calling sites.

Bug: 583477
Change-Id: I9982d7d35ee38e0995a3103ae224b3544494ec07
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1903131
Auto-Submit: Mikel Astiz <mastiz@chromium.org>
Commit-Queue: David Trainor <dtrainor@chromium.org>
Reviewed-by: David Trainor <dtrainor@chromium.org>
Cr-Commit-Position: refs/heads/master@{#713587}