The Tor Browser / file revision

 /* This Source Code Form is subject to the terms of the Mozilla Public

  * License, v. 2.0. If a copy of the MPL was not distributed with this

  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

 "use strict";

 // Adding the character encoding menu to the panel, exiting customize mode,

 // and moving it to the nav-bar should have it enabled, not disabled.

 add_task(function() {

   yield startCustomizing();

   CustomizableUI.addWidgetToArea("characterencoding-button", "PanelUI-contents");

   yield endCustomizing();

   yield PanelUI.show();

   let panelHiddenPromise = promisePanelHidden(window);

   PanelUI.hide();

   yield panelHiddenPromise;

   CustomizableUI.addWidgetToArea("characterencoding-button", 'nav-bar');

   let button = document.getElementById("characterencoding-button");

   ok(!button.hasAttribute("disabled"), "Button shouldn't be disabled");

 });

 add_task(function asyncCleanup() {

   resetCustomization();

 });