MD Settings: simplify language model and data binding

chrome/test/data/webui/settings/languages_page_tests.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_languages_page', function() {
   suite('settings-languages-singleton', function() {
     var languageSettingsPrivate;
     var languageHelper;
     var settingsPrefs;
     var fakePrefs = [{
@@ skipping 47 matching lines @@
       languageSettingsPrivate.setSettingsPrefs(settingsPrefs);
       LanguageHelperImpl.instance_ = undefined;
       languageHelper = LanguageHelperImpl.getInstance();
       return languageHelper.whenReady();
     });
 
     test('languages model', function() {
       for (var i = 0; i < languageSettingsPrivate.languages.length;
            i++) {
         assertEquals(languageSettingsPrivate.languages[i].code,
-                     languageHelper.languages.supportedLanguages[i].code);
+                     languageHelper.languages.supported[i].code);
       }
-      assertEquals(2, languageHelper.languages.enabledLanguages.length);
+      assertEquals(2, languageHelper.languages.enabled.length);
       assertEquals('en-US',
-                   languageHelper.languages.enabledLanguages[0].language.code);
+                   languageHelper.languages.enabled[0].language.code);
       assertEquals('sw',
-                   languageHelper.languages.enabledLanguages[1].language.code);
+                   languageHelper.languages.enabled[1].language.code);
       assertEquals('en', languageHelper.languages.translateTarget);
 
       // TODO(michaelpg): Test other aspects of the model.
     });
 
     test('modifying languages', function() {
       assertTrue(languageHelper.isLanguageEnabled('en-US'));
       assertTrue(languageHelper.isLanguageEnabled('sw'));
       assertFalse(languageHelper.isLanguageEnabled('en-CA'));
 
       languageHelper.enableLanguage('en-CA');
       assertTrue(languageHelper.isLanguageEnabled('en-CA'));
       languageHelper.disableLanguage('sw');
       assertFalse(languageHelper.isLanguageEnabled('sw'));
 
       // TODO(michaelpg): Test other modifications.
     });
   });
 });