Date and Time dialog for when the clock isn't synced.

chrome/browser/ui/webui/options/chromeos/date_time_options_browsertest.js

+// Copyright 2014 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.
+
+GEN('#if defined(OS_CHROMEOS)');
+
+function DateTimeOptionsWebUITest() {}
+
+DateTimeOptionsWebUITest.prototype = {
+  __proto__: testing.Test.prototype,
+
+  /**
+   * Browse to date/time options.
+   **/
+  browsePreload: 'chrome://settings-frame/search#date',
+};
+
+TEST_F('DateTimeOptionsWebUITest', 'testShowSetTimeButton', function() {
+  assertEquals(this.browsePreload, document.location.href);
+
+  var timeSyncedLabel = $('time-synced-explanation');
+  var setTime = $('set-time');
+
+  BrowserOptions.toggleCanSetTime(true);
+  // Label is hidden.
+  assertTrue(timeSyncedLabel.hidden);
+  assertFalse(setTime.hidden);
+
+  BrowserOptions.toggleCanSetTime(false);
+  // Button section is hidden.
+  assertFalse(timeSyncedLabel.hidden);
+  assertTrue(setTime.hidden);
+});
+
+GEN('#endif');