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The APIs haven't been used in a long while, presumably after
https://crrev.com/1454983004.

Change-Id: I1bfbc537663348e0e6c74f0a82e3df77911037d6
Bug: None
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2095576Reviewed-by: Scott Violet <sky@chromium.org>
Commit-Queue: Mikel Astiz <mastiz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#748723}