This is needed to be able to land https://codereview.webrtc.org/2408153002/ "Remove cricket::VideoCodec with, height and framerate properties" without breaking upstream projects. BUG=webrtc:5332 TBR=pthatcher@webrtc.org Review URL: https://codereview.webrtc.org/2437453003 . Cr-Commit-Position: refs/heads/master@{#14681}