Revert of Fix build for iOS after "Make nanobench and dm be usable from Chromium build" (patchset #1 id:1 of https://codereview.chromium.org/716413003/)

Reason for revert:
Causes breakages on Mac.

Original issue's description:
> Fix build for iOS after "Make nanobench and dm be usable from Chromium build"
>
> Fix build for iOS after "Make nanobench and dm be usable from Chromium
> build"
>
> BUG=skia:2992
>
> Committed: https://skia.googlesource.com/skia/+/0935aed2787eb79629125bdfef9aba2a6a283ef7

TBR=robertphillips@google.com,kkinnunen@nvidia.com
NOTREECHECKS=true
NOTRY=true
BUG=skia:2992

Review URL: https://codereview.chromium.org/724813002
1 file changed