[MD Settings][People] Disables profile name field for legacy supervised users.

chrome/test/data/webui/settings/people_page_manage_profile_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_people_page_manage_profile', function() {
   /**
    * @constructor
    * @implements {settings.ManageProfileBrowserProxy}
    * @extends {settings.TestBrowserProxy}
    */
@@ skipping 25 matching lines @@
       var manageProfile = null;
       var browserProxy = null;
 
       setup(function() {
         browserProxy = new TestManageProfileBrowserProxy();
         settings.ManageProfileBrowserProxyImpl.instance_ = browserProxy;
         PolymerTest.clearBody();
         manageProfile = document.createElement('settings-manage-profile');
         manageProfile.profileIconUrl = 'fake-icon-1.png';
         manageProfile.profileName = 'Initial Fake Name';
+        manageProfile.syncStatus = {supervisedUser: false, childUser: false};
         document.body.appendChild(manageProfile);
       });
 
       teardown(function() { manageProfile.remove(); });
 
       // Tests that the manage profile subpage
       //  - gets and receives all the available icons
       //  - has the correct icon selected
       //  - can select a new icon
       test('ManageProfileChangeIcon', function() {
@@ skipping 30 matching lines @@
           assertEquals('fake-icon-2.png', manageProfile.profileIconUrl);
           assertEquals(2, selector.items.length);
           assertFalse(selector.items[0].classList.contains('iron-selected'));
           assertTrue(selector.items[1].classList.contains('iron-selected'));
         });
       });
 
       test('ManageProfileChangeName', function() {
         var nameField = manageProfile.$.name;
         assertTrue(!!nameField);
+        assertFalse(!!nameField.disabled);
 
         assertEquals('Initial Fake Name', nameField.value);
 
         nameField.value = 'New Name';
         nameField.fire('change');
 
         return browserProxy.whenCalled('setProfileIconAndName').then(
             function(args) {
               assertEquals('fake-icon-1.png', args[0]);
               assertEquals('New Name', args[1]);
             });
       });
 
+      test('ProfileNameIsDisabledForSupervisedUser', function() {
+        manageProfile.syncStatus = {supervisedUser: true, childUser: false};
+
+        var nameField = manageProfile.$.name;
+        assertTrue(!!nameField);
+
+        // Name field should be disabled for legacy supervised users.
+        assertTrue(!!nameField.disabled);
+      });
+
       // Tests profile name updates pushed from the browser.
       test('ManageProfileNameUpdated', function() {
         var nameField = manageProfile.$.name;
         assertTrue(!!nameField);
 
         return browserProxy.whenCalled('getAvailableIcons').then(function() {
           manageProfile.profileName = 'New Name From Browser';
 
           Polymer.dom.flush();
 
           assertEquals('New Name From Browser', nameField.value);
         });
       });
     });
   }
 
   return {
     registerTests: function() {
       registerManageProfileTests();
     },
   };
 });