Sergey Silkin 1f6e4308ab Revert "Move VideoTrackSourceProxy creation into VideoTrack."
This reverts commit 4bc7223cf0775737a615c677b82c78e49a6a8a2c.

Reason for revert: Regressions in PC tests https://crbug.com/webrtc/13697

Original change's description:
> Move VideoTrackSourceProxy creation into VideoTrack.
>
> This CL contains a part of a previously reviewed, landed, reverted,
> relanded and re-reverted CL:
> https://webrtc-review.googlesource.com/c/src/+/250180
>
> Bug: webrtc:13540
> Change-Id: Id6df8da5ff61e3ec90d0b3f3d828e8f670d4931b
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/251860
> Reviewed-by: Harald Alvestrand <hta@webrtc.org>
> Auto-Submit: Tomas Gunnarsson <tommi@webrtc.org>
> Commit-Queue: Tomas Gunnarsson <tommi@webrtc.org>
> Cr-Commit-Position: refs/heads/main@{#36025}

Bug: webrtc:13540
Change-Id: Ibae8c1d39fa4d71aafd9666b66e6abc8eb8fddb2
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/251980
Bot-Commit: rubber-stamper@appspot.gserviceaccount.com <rubber-stamper@appspot.gserviceaccount.com>
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Reviewed-by: Tomas Gunnarsson <tommi@webrtc.org>
Commit-Queue: Tomas Gunnarsson <tommi@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#36039}
2022-02-21 18:22:24 +00:00
..
2021-08-31 14:27:49 +00:00
2022-01-26 09:02:11 +00:00
2021-05-27 09:56:42 +00:00
2022-01-18 13:46:37 +00:00