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These groups used to serve different purposes, now they are identical
and can be combined.

Tbr: hzjian@chromium.org
Bug: 1056301
Change-Id: Id2a4c6bad3a61dd23e67b83c0d4793371bdd3de2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2120736Reviewed-by: Peter Wen <wnwen@chromium.org>
Commit-Queue: Peter Wen <wnwen@chromium.org>
Auto-Submit: Peter Wen <wnwen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#753634}