Philipp Hancke f97058e9ed Move static functions in media_session into anonymous namespace
and clean up methods that are now detected as unused.

BUG=None

Change-Id: If5dac3d43d4df6c7c108504c202c2383fe4a3f27
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/321580
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Commit-Queue: Philipp Hancke <phancke@microsoft.com>
Reviewed-by: Florent Castelli <orphis@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#40823}
2023-09-28 06:47:48 +00:00
..
2023-08-24 13:18:04 +00:00