History of Performance.timing

Editorial review. No changes.

Revert to revision of 2015-12-08 18:15:17 by AFBarstow: "Nope, the name of the interface has a capital P. It isn't the name of the object."

the API is performance.timing and not Performance.timing.

Remove "Summary" section heading and add a missing Sidebar

Performance timing api is available in workers, at least in nightly version

Web/API/Performance.timing Web/API/Performance/timing