MD Settings: remove unsupported routes from guest-mode.

chrome/browser/resources/settings/people_page/change_picture.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.
 
 /**
  * Contains the possible types of Change Picture selections.
  * @enum {string}
  */
 var ChangePictureSelectionTypes = {
   CAMERA: 'camera',
@@ skipping 119 matching lines @@
         'old-image-changed', this.receiveOldImage_.bind(this));
     this.addWebUIListener(
         'profile-image-changed', this.receiveProfileImage_.bind(this));
     this.addWebUIListener(
         'camera-presence-changed', this.receiveCameraPresence_.bind(this));
   },
 
 
   /** @protected */
   currentRouteChanged: function(newRoute) {
-    if (newRoute == settings.Route.CHANGE_PICTURE) {
+    if (newRoute == settings.routes.CHANGE_PICTURE) {
       this.browserProxy_.initialize();
 
       // This in needed because we manually clear the selectedItem_ property
       // when navigating away. The selector element doesn't fire its upward
       // data binding unless its selected item has changed.
       this.selectedItem_ = this.$.selector.selectedItem;
       // Focus the container by default so that the arrow keys work (and since
       // we use the focus highlight to show which picture is selected).
       this.$.container.focus();
     } else {
@@ skipping 314 matching lines @@
   getAuthorWebsite_: function(selectedItem, defaultImages) {
     if (!this.isAuthorCreditShown_(selectedItem))
       return '';
 
     assert(
         selectedItem.dataset.defaultImageIndex !== null &&
         selectedItem.dataset.defaultImageIndex < defaultImages.length);
     return defaultImages[selectedItem.dataset.defaultImageIndex].website;
   },
 });