When one of the sources is a FrameGeneratorCapturer, this implies that
its TaskQueue is stopped. Before this change, the FrameGeneratorCapturer
was destroyed later, by the CallTest destructor, which led to a
use-after-free race on the Clock object passed to the capturer.
Bug: webrtc:11018
Change-Id: I3e53f95a725b6fb53b13e182ecd2caf03ea15bc4
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/156170
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Reviewed-by: Yves Gerey <yvesg@google.com>
Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
Reviewed-by: Sebastian Jansson <srte@webrtc.org>
Commit-Queue: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#29443}
3b819f3d8b