This reverts commit 712a26f3842b4eba1f38c3ba7371b1cf771fd232. Reason for revert: consistently failing on iOS64 Debug: https://ci.chromium.org/p/webrtc-internal/builders/ci/iOS64%20Debug/20119 Original change's description: > Add IvfVideoFrameGenerator > > Bug: webrtc:10138 > Change-Id: Iea590f334d22fb7d22077c9bdd3b5ba79691df2e > Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/160185 > Commit-Queue: Artem Titov <titovartem@webrtc.org> > Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org> > Cr-Commit-Position: refs/heads/master@{#29902} TBR=ilnik@webrtc.org,titovartem@webrtc.org Change-Id: Ie34e254a7a4ff5ff8fdab7c6b3212792b52b6f53 No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: webrtc:10138 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/160560 Reviewed-by: Steve Anton <steveanton@webrtc.org> Commit-Queue: Steve Anton <steveanton@webrtc.org> Cr-Commit-Position: refs/heads/master@{#29910}