Add managed device signal

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

 // Copyright 2016 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.
 
 chrome.app.runtime.onLaunched.addListener(function() {
   chrome.test.getConfig(function(config) {
     var testName = config.customArg;
     if (!testName) {
       chrome.test.fail("Missing test name.");
       return;
     }
-    chrome.chromeosInfoPrivate.get(['sessionType', 'playStoreStatus'],
-        function (values) {
-      if (testName == 'kiosk') {
-        chrome.test.assertEq('kiosk', values['sessionType']);
-      } else if (testName == 'arc not-available') {
-        chrome.test.assertEq('not available', values['playStoreStatus']);
-      } else if (testName == 'arc available') {
-        chrome.test.assertEq('available', values['playStoreStatus']);
-      } else if (testName == 'arc enabled') {
-        chrome.test.assertEq('enabled', values['playStoreStatus']);
-      }
-      chrome.test.succeed();
-    });
+    chrome.chromeosInfoPrivate.get([
+      'sessionType',
+      'playStoreStatus',
+      'managedDeviceStatus'
+    ], chrome.test.callbackPass(function(values) {
+          switch (testName) {
+            case 'kiosk':
+              chrome.test.assertEq('kiosk', values['sessionType']);
+              break;
+            case 'arc not-available':
+              chrome.test.assertEq('not available', values['playStoreStatus']);
+              break;
+            case 'arc available':
+              chrome.test.assertEq('available', values['playStoreStatus']);
+              break;
+            case 'arc enabled':
+              chrome.test.assertEq('enabled', values['playStoreStatus']);
+              break;
+            case 'managed':
+              chrome.test.assertEq('managed', values['managedDeviceStatus']);
+          }
+        }));
   });
 });