Add managed device signal

chrome/test/data/extensions/api_test/chromeos_info_private/basic/background.js

 // Copyright (c) 2011 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 pass = chrome.test.callbackPass;
 var fail = chrome.test.callbackFail;
 
 function getTestFunctionFor(keys, fails) {
   return function generatedTest () {
     // Debug.
     console.warn('keys: ' + keys + '; fails: ' + fails);
 
     chrome.chromeosInfoPrivate.get(
         keys,
         pass(
           function(values) {
             for (var i = 0; i < keys.length; ++i) {
               // Default session type should be normal.
               if (keys[i] == 'sessionType') {
                 chrome.test.assertEq('normal', values[keys[i]]);
               }
               // PlayStoreStatus by default should be not available.
               if (keys[i] == 'playStoreStatus') {
                 chrome.test.assertEq('not available', values[keys[i]]);
               }
+              // ManagedDeviceStatus by default should be not managed.

[tbarzic, 2017/02/22 02:18:35]

nit: I'd remove this comment - it doesn't add too much value

[Wenzhao (Colin) Zang, 2017/02/22 03:11:07]

Done.

+              if (keys[i] == 'managedDeviceStatus') {
+                chrome.test.assertEq('not managed', values[keys[i]]);
+              }
               // Debug
               if (keys[i] in values) {
                 console.log('  values["' + keys[i] + '"] = ' +
                             values[keys[i]]);
               } else {
                 console.log('  ' + keys[i] + ' is missing in values');
               }
 
               chrome.test.assertEq(fails.indexOf(keys[i]) == -1,
                                    keys[i] in values);
@@ skipping 74 matching lines @@
 
 // Run generated chrome.chromeosInfoPrivate.get() tests.
 var tests = generateTestsForKeys(['hwid',
                                   'customizationId',
                                   'homeProvider',
                                   'initialLocale',
                                   'board',
                                   'isOwner',
                                   'sessionType',
                                   'playStoreStatus',
+                                  'managedDeviceStatus',
                                   'clientId',
                                   'a11yLargeCursorEnabled',
                                   'a11yStickyKeysEnabled',
                                   'a11ySpokenFeedbackEnabled',
                                   'a11yHighContrastEnabled',
                                   'a11yScreenMagnifierEnabled',
                                   'a11yAutoClickEnabled',
                                   'a11yVirtualKeyboardEnabled',
                                   'sendFunctionKeys',
                                   'timezone',
                                   'supportedTimezones'])
 
 // Add chrome.chromeosInfoPrivate.set() test.
 tests.push(timezoneSetTest);
 tests.push(prefsTest);
 
 chrome.test.runTests(tests);