This fix the mismatch of resolution VP9 wrapper set for coded frame with its actual resolution. Bug: webm:1485, webrtc:5749 Change-Id: Ie1225d8f3a3d00e66229a1a79858d0a89b3d5fae Reviewed-on: https://webrtc-review.googlesource.com/46040 Reviewed-by: Åsa Persson <asapersson@webrtc.org> Reviewed-by: Rasmus Brandt <brandtr@webrtc.org> Commit-Queue: Sergey Silkin <ssilkin@webrtc.org> Cr-Commit-Position: refs/heads/master@{#21819}