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This change was originally proposed in this refactor [1], but has been
split into another CL.

[1] https://crrev.com/c/2601576

Bug: 1110509
Change-Id: Ifd92321c5136ac3b29a714f24ad39674c866c9f3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2604975
Commit-Queue: Austin Sullivan <asully@chromium.org>
Reviewed-by: Marijn Kruisselbrink <mek@chromium.org>
Reviewed-by: Daniel Murphy <dmurph@chromium.org>
Cr-Commit-Position: refs/heads/master@{#841539}