tree 30a60d1459cd1ce1a64b3c3972459df0b8634527
parent 8f121b8bcf473670bf3a60040ef9f491c3e7e76f
author sprang <sprang@webrtc.org> 1490801099 -0700
committer Commit bot <commit-bot@chromium.org> 1490801099 +0000

Use simulcast for screenshare only in conference mode

Also, don't crash if InitEncode fails for vp8.

BUG=chromium:705505

Review-Url: https://codereview.webrtc.org/2779163002
Cr-Original-Commit-Position: refs/heads/master@{#17452}
Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: fe627f30cbd3b4e0665237c7f309973cbf15e30b