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This CL makes sure InvalidStateError and OperationError are respectively
thrown when calling getPhotoCapabilitlies & getSettings if the
MediaStreamTrack is ended and stopped while getting photo capabilities
and settings.

Bug: 1134569
Change-Id: Ie318319885b7796b17cb155ffcd2a81d7f98de17
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2445016Reviewed-by: Reilly Grant <reillyg@chromium.org>
Commit-Queue: François Beaufort <beaufort.francois@gmail.com>
Cr-Commit-Position: refs/heads/master@{#813283}