(See http://goto.google.com/owp-launch-guide for an overview)
*High-level description of the change (1-2 sentences):*
*Listing of additions/modifications/changes to API surface (bullet
Additional context (fill in as much as you can, or link to a prior API
launch bug with the context):
*Link to relevant webkit or crbug:*
*Link to relevant public standards discussion:*
*Support in other browsers (current and expected):*
Internet Explorer: Not yet, unprefixed starting in 10.0
Firefox: Unprefixed starting in 16.0
Safari: No, no plans
Opera: No, no plans
Make sure to fill in any labels with a -?. Feel free to leave other labels
at the defaults.
Landed in M24.