third_party/webrtc/files/stable/webrtc/sdk/objc/native/api/video_capturer.mm
calls `webrtc::CreateVideoTrackSourceProxy()`, which is defined in
third_party/webrtc/files/stable/webrtc/pc/video_track_source_proxy.cc.
Some pending changes to the Apple related rules will expose this missing
dependency, so adding the missing dependency to not have downstream users
break.
Bug: b/276754006
Change-Id: I278872123f5351614c6e3affbdceffdb7e0f969c
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/300625
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Auto-Submit: Taylor Brandstetter <deadbeef@webrtc.org>
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#39798}
9658f47459