The pattern of using a static function rather than a regular function is
not very well motivated and we don't do that in other places.
To maintain consistency over the code base this Cl replaces those static
modifier functions with regular member functions.
Bug: webrtc:9883
Change-Id: I8edd1781d98905de82722458a0d272af90689a2f
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/155522
Reviewed-by: Oskar Sundbom <ossu@webrtc.org>
Commit-Queue: Sebastian Jansson <srte@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#29391}
35cf9e76a8