/* 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/. */ /* * Test bug 427559 to make sure focused elements that are no longer on the page * will have focus transferred to the window when changing tabs back to that * tab with the now-gone element. */ // Default focus on a button and have it kill itself on blur let testPage = 'data:text/html,