MD Settings: remove unsupported routes from guest-mode.

chrome/browser/resources/settings/languages_page/languages_page.js

 // Copyright 2015 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.
 
 /**
  * @fileoverview 'settings-languages-page' is the settings page
  * for language and input method settings.
  */
 cr.exportPath('settings');
 
@@ skipping 49 matching lines @@
 
     /** @private */
     showAddLanguagesDialog_: Boolean,
 
     /** @private {!Map<string, string>} */
     focusConfig_: {
       type: Object,
       value: function() {
         var map = new Map();
         // <if expr="not is_macosx">
-        map.set(
-            settings.Route.EDIT_DICTIONARY.path,
-            '#spellCheckCollapse .subpage-arrow');
+        if (settings.routes.EDIT_DICTIONARY) {
+          map.set(
+              settings.routes.EDIT_DICTIONARY.path,
+              '#spellCheckCollapse .subpage-arrow');
+        }
         // </if>
         // <if expr="chromeos">
-        map.set(
-            settings.Route.INPUT_METHODS.path,
-            '#inputMethodsCollapse .subpage-arrow');
+        if (settings.routes.INPUT_METHODS) {
+          map.set(
+              settings.routes.INPUT_METHODS.path,
+              '#inputMethodsCollapse .subpage-arrow');
+        }
         // </if>
         return map;
       },
     },
   },
 
   /**
    * Stamps and opens the Add Languages dialog, registering a listener to
    * disable the dialog's dom-if again on close.
    * @param {!Event} e
@@ skipping 74 matching lines @@
         uiAccountTweaks.UIAccountTweaks.loggedInAsPublicAccount()) {
       menu.querySelector('#uiLanguageItem').hidden = true;
     }
   },
 
   /**
    * Opens the Manage Input Methods page.
    * @private
    */
   onManageInputMethodsTap_: function() {
-    settings.navigateTo(settings.Route.INPUT_METHODS);
+    settings.navigateTo(settings.routes.INPUT_METHODS);
   },
 
   /**
    * Handler for tap and <Enter> events on an input method on the main page,
    * which sets it as the current input method.
    * @param {!{model: !{item: !chrome.languageSettingsPrivate.InputMethod},
    *           target: !{tagName: string},
    *           type: string,
    *           key: (string|undefined)}} e
    */
@@ skipping 231 matching lines @@
             enabledSpellCheckLanguages[1].language.displayName,
             (enabledSpellCheckLanguages.length - 2).toLocaleString());
     }
   },
 
   /**
    * Opens the Custom Dictionary page.
    * @private
    */
   onEditDictionaryTap_: function() {
-    settings.navigateTo(settings.Route.EDIT_DICTIONARY);
+    settings.navigateTo(settings.routes.EDIT_DICTIONARY);
   },
 
   /**
    * Handler for enabling or disabling spell check.
    * @param {!{target: Element, model: !{item: !LanguageState}}} e
    */
   onSpellCheckChange_: function(e) {
     var item = e.model.item;
     if (!item.language.supportsSpellcheck)
       return;
@@ skipping 123 matching lines @@
     if (e.target.tagName == expandButtonTag)
       return;
 
     /** @type {!CrExpandButtonElement} */
     var expandButton = e.currentTarget.querySelector(expandButtonTag);
     assert(expandButton);
     expandButton.expanded = !expandButton.expanded;
   },
 });
 })();