Viktar Donich 78b7cd2191 UI latency reporting
Implements gr-reporting as common reporting interface.
Adds UI latency reporting methods:
 - time and timeEnd to measure individual events.
 - appStarted and pageLoaded to report startup metrics.
 - reporter property at the moment reports metrics via DOM CustomEvents.
 UI Switcher extension listens to those and reports them to Google
 Analytics.

Also, see https://gerrit-review.googlesource.com/83512
Also, go/gerrit-reporting

Change-Id: I36a166f07be281761262fefa50cc539cc6ea2d19
2016-08-22 15:27:51 -07:00
..
2016-08-22 15:27:51 -07:00
2016-08-22 15:27:51 -07:00
2016-07-25 22:47:01 -07:00