PrefObject -> PrefData

chrome/browser/resources/settings/pref_tracker/pref_tracker.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
  * `cr-settings-pref-tracker` is a utility element used to track the
  * initialization of a specified preference and throw an error if the pref
  * is not defined after prefs have all been fetched.
  *
@@ skipping 23 matching lines @@
   };
 
   document.addEventListener(CrSettingsPrefs.INITIALIZED, validateAll_);
 
   Polymer({
     is: 'cr-settings-pref-tracker',
 
     properties: {
       /**
        * The Preference object being tracked.
-       * @type {?PrefObject}
+       * @type {?PrefData}
        */
       pref: {
         type: Object,
         observer: 'validate_',
       },
     },
 
     /** @override */
     ready: function() {
       this.validate_();
@@ skipping 16 matching lines @@
           var parentControlHTML = this.parentNode && this.parentNode.host &&
               this.parentNode.host.outerHTML;
 
           throw new Error('Pref not found. Parent control:' +
               (parentControlHTML || 'Unknown'));
         }
       });
     },
   });
 })();