GitLab

Check whether the tab was recently audible (last 2 seconds) when logging
the TabManager.TabMetrics UKM.

Bug: 784639
Change-Id: I755305fecf1c13668219e972ad41312da91ca568
Reviewed-on: https://chromium-review.googlesource.com/795175
Commit-Queue: Michael Giuffrida <michaelpg@chromium.org>
Reviewed-by: Bryan McQuade <bmcquade@chromium.org>
Reviewed-by: Scott Violet <sky@chromium.org>
Cr-Commit-Position: refs/heads/master@{#520835}