<https://webkit.org/b/118105> Web Inspector: AX: Add support for ARIA tablists/tabs to inspector tabs

Patch by James Craig <james@cookiecrook.com> on 2013-08-16
Reviewed by Joseph Pecoraro.

Updating accessibility roles and attributes for single-select toolbar item sets.

* UserInterface/ActivateButtonNavigationItem.js:
(WebInspector.ActivateButtonNavigationItem):
(WebInspector.ActivateButtonNavigationItem.prototype.set activated):
* UserInterface/ActivateButtonToolbarItem.js:
(WebInspector.ActivateButtonToolbarItem):
* UserInterface/ButtonToolbarItem.js:
(WebInspector.ButtonToolbarItem):
* UserInterface/SidebarPanel.js:
(WebInspector.SidebarPanel):
* UserInterface/Toolbar.js:
(WebInspector.Toolbar):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@154196 268f45cc-cd09-0410-ab3c-d52691b4dbfc