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This is a reland of 6f8b5118

Original change's description:
> Remove empty base/bind_helpers.h
>
> The contents moved to callback_helpers.h.
>
> Also renames a few new bind_helpers.h includes that have been added
> in the meantime.
>
R=dcheng@chromium.org
TBR=
NOTRY=true
>
> Change-Id: Ia511a4939d60bd2ef5b474185e3716017543f8af
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2523545
> Commit-Queue: danakj <danakj@chromium.org>
> Reviewed-by: Daniel Cheng <dcheng@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#826387}

Change-Id: If86adf5fc9760ac6785cbfdd211ef7ffeb940ca1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2532967Reviewed-by: danakj <danakj@chromium.org>
Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Commit-Queue: danakj <danakj@chromium.org>
Cr-Commit-Position: refs/heads/master@{#826486}