Joanmarie Diggs authored Mar 25, 2015 and Bastien Nocera committed Jul 27, 2015

* Add label-for/labelled-by AtkRlation pair between the "Computer Name"
  label and its entry.
* Give an accessible name to the switch in the header bar. In order to
  not break string freeze, used "Sharing" since that's what's shown in
  the header bar.
* Fix the incorrect mnemonic widget for media sharing so that Orca speaks
  the label in the main sharing panel, and the name in the media sharing
  dialog

https://bugzilla.gnome.org/show_bug.cgi?id=746759