6ed63255ca
We want to reuse some of this functionality for the new video codec factories, but not of all it, so this CL refactors out what we want to reuse to a static function. BUG=webrtc:7925 Review-Url: https://codereview.webrtc.org/3010743002 Cr-Commit-Position: refs/heads/master@{#19628}