Looks like it was added in https://codereview.chromium.org/503563002
and later became dead code.

Bug: none
Change-Id: Ic348e84fcbb0770b8a2dfca592c02d0dbf7e4750
Reviewed-on: https://chromium-review.googlesource.com/535647Reviewed-by: Andrii Shyshkalov <tandrii@chromium.org>
Commit-Queue: Paweł Hajdan Jr. <phajdan.jr@chromium.org>