tree fb00a2f4d476b92d651217b35436de3e29f1e68b
parent 3ba7282b494d91d9cd0ef1e32416214d48f6b998
author kthelgason <kthelgason@webrtc.org> 1503571968 -0700
committer Commit Bot <commit-bot@chromium.org> 1503571968 +0000

Make CodecType conversion functions non-optional.

We can't handle no value here anyway and end up setting a default
at each call site. The defaults aren't even the same in each place.

BUG=None

Review-Url: https://codereview.webrtc.org/2998293002
Cr-Original-Commit-Position: refs/heads/master@{#19485}
Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: 1cdddc96fa2f81219bb363f540af8dfb822afbb3