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* Add prototype of Frame Timing as a stretch goal.
* Fix a typo with a link.

Change-Id: Ic1cbdb7d2a0a83d18ded0f00bb67df9a44e2d93f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2303557
Commit-Queue: Annie Sullivan <sullivan@chromium.org>
Commit-Queue: Nicolás Peña Moreno <npm@chromium.org>
Reviewed-by: Annie Sullivan <sullivan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#789205}