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This is an old TODO left from around 2015,
and it looks like it's not helpful anymore.

This CL also includes minor style clean-up
(function rename, comment editing, whitespace).
No expected behavior change.

Change-Id: Icc6f4e02caa7d7200746f5a3bf76b0df3c6bcb29
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1801750Reviewed-by: Annie Sullivan <sullivan@chromium.org>
Commit-Queue: Quinten Yearsley <qyearsley@chromium.org>
Cr-Commit-Position: refs/heads/master@{#698626}