Promote chrome.app.window alwaysOnTop property to stable unwhitelisted

chrome/test/data/extensions/platform_apps/windows_api_always_on_top/has_permissions_stable/background.js

-// Copyright 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-var callbackPass = chrome.test.callbackPass;
-
-function testAlwaysOnTop(testId, value) {
-  var options = {
-    id: testId,
-    alwaysOnTop: value
-  };
-
-  chrome.app.window.create('index.html',
-                           options,
-                           callbackPass(function(win) {
-    // Check that isAlwaysOnTop() returns false because the feature is not
-    // permitted in Stable.
-    chrome.test.assertEq(false, win.isAlwaysOnTop());
-
-    // Attempt to use setAlwaysOnTop() to change the property. But this should
-    // also fail.
-    win.setAlwaysOnTop(value);
-
-    // setAlwaysOnTop is synchronous in the browser, so send an async request to
-    // ensure we get the updated value of isAlwaysOnTop.
-    chrome.runtime.getPlatformInfo(callbackPass(function(platformInfo) {
-      // Check that isAlwaysOnTop() returns false.
-      chrome.test.assertEq(false, win.isAlwaysOnTop());
-
-      win.contentWindow.close();
-    }));
-  }));
-}
-
-chrome.app.runtime.onLaunched.addListener(function() {
-  chrome.test.runTests([
-
-    // Try to enable alwaysOnTop on window creation and after window creation.
-    function testAlwaysOnTopEnable() {
-      testAlwaysOnTop('testAlwaysOnTopEnable', true);
-    },
-
-    // Try to disable alwaysOnTop on window creation and after window creation.
-    function testAlwaysOnTopDisable() {
-      testAlwaysOnTop('testAlwaysOnTopDisable', false);
-    }
-
-  ]);
-});