[MD settings] small code health changes

chrome/browser/resources/settings/people_page/sync_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.
 
 (function() {
 
 /**
  * Names of the radio buttons which allow the user to choose their encryption
  * mechanism.
  * @enum {string}
@@ skipping 17 matching lines @@
   'themesSynced',
   'bookmarksSynced',
   'passwordsSynced',
   'tabsSynced',
   'paymentsIntegrationEnabled',
 ];
 
 /**
  * @fileoverview
  * 'settings-sync-page' is the settings page containing sync settings.
- *
- * Example:
- *
- *    <iron-animated-pages>
- *      <settings-sync-page></settings-sync-page>
- *      ... other pages ...
- *    </iron-animated-pages>
  */
 Polymer({
   is: 'settings-sync-page',
 
   behaviors: [
     WebUIListenerBehavior,
     settings.RouteObserverBehavior,
   ],
 
   properties: {
     /** @private */
-    pages: {
+    pages_: {
       type: Object,
       value: settings.PageStatus,
       readOnly: true,
     },
 
     /**
      * The current page status. Defaults to |CONFIGURE| such that the searching
      * algorithm can search useful content when the page is not visible to the
      * user.
      * @private {?settings.PageStatus}
@@ skipping 281 matching lines @@
       case settings.PageStatus.SPINNER:
       case settings.PageStatus.TIMEOUT:
       case settings.PageStatus.CONFIGURE:
         this.pageStatus_ = pageStatus;
         return;
       case settings.PageStatus.DONE:
         if (settings.getCurrentRoute() == settings.Route.SYNC)
           settings.navigateTo(settings.Route.PEOPLE);
         return;
       case settings.PageStatus.PASSPHRASE_FAILED:
-        if (this.pageStatus_ == this.pages.CONFIGURE &&
+        if (this.pageStatus_ == this.pages_.CONFIGURE &&
             this.syncPrefs && this.syncPrefs.passphraseRequired) {
           this.$$('#existingPassphraseInput').invalid = true;
         }
         return;
     }
 
     assertNotReached();
   },
 
   /**
@@ skipping 70 matching lines @@
   onLearnMoreTap_: function(event) {
     if (event.target.tagName == 'A') {
       // Stop the propagation of events, so that clicking on links inside
       // checkboxes or radio buttons won't change the value.
       event.stopPropagation();
     }
   }
 });
 
 })();