These two functions contain complicated logic that will be used as
a fallback in Chromium if the new macOS picker code does not work
as intended.
Bug: chromium:1478172
Change-Id: I5f2878c5a8da38d59aa42ec1358398e3c921b65c
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/319260
Reviewed-by: Alexander Cooper <alcooper@chromium.org>
Commit-Queue: Johannes Kron <kron@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#40711}