MD Settings: hide browsing history-related rows for supervised users

chrome/test/data/webui/settings/privacy_page_test.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.
 
 cr.define('settings_privacy_page', function() {
   /**
    * @constructor
    * @extends {TestBrowserProxy}
    * @implements {settings.ClearBrowsingDataBrowserProxy}
    */
@@ skipping 211 matching lines @@
         });
         var checkbox = element.$$('settings-checkbox');
         assertEquals('browser.clear_data.browsing_history', checkbox.pref.key);
 
         // Simulate a browsing data counter result for history. This checkbox's
         // sublabel should be updated.
         cr.webUIListenerCallback(
             'update-counter-text', checkbox.pref.key, 'result');
         assertEquals('result', checkbox.subLabel);
       });
+
+      test('history rows are hidden for supervised users', function() {
+        assertFalse(loadTimeData.getBoolean('isSupervised'));
+        assertFalse(element.$.browsingCheckbox.hidden);
+        assertFalse(element.$.downloadCheckbox.hidden);
+
+        element.remove();
+        testBrowserProxy.reset();
+        loadTimeData.overrideValues({isSupervised: true});
+
+        element = document.createElement('settings-clear-browsing-data-dialog');
+        document.body.appendChild(element);
+        Polymer.dom.flush();
+
+        return testBrowserProxy.whenCalled('initialize').then(function() {
+          assertTrue(element.$.browsingCheckbox.hidden);
+          assertTrue(element.$.downloadCheckbox.hidden);
+        });
+      });
     });
   }
 
   function registerSafeBrowsingExtendedReportingTests() {
     suite('SafeBrowsingExtendedReporting', function() {
       /** @type {settings.TestPrivacyPageBrowserProxy} */
       var testBrowserProxy;
 
       /** @type {SettingsPrivacyPageElement} */
       var page;
@@ skipping 35 matching lines @@
     registerTests: function() {
       if (cr.isMac || cr.isWin)
         registerNativeCertificateManagerTests();
 
       registerClearBrowsingDataTests();
       registerPrivacyPageTests();
       registerSafeBrowsingExtendedReportingTests();
     },
   };
 });