Print Preview: Fix compile errors in settings/ directory

chrome/browser/resources/print_preview/data/ticket_items/ticket_item.js

 // Copyright (c) 2012 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.
+/**
+ * @typedef {Object|number|boolean|string}
+ */
+print_preview.ValueType;
 
 cr.define('print_preview.ticket_items', function() {
   'use strict';
 
   /**
    * An object that represents a user modifiable item in a print ticket. Each
    * ticket item has a value which can be set by the user. Ticket items can also
    * be unavailable for modifying if the print destination doesn't support it or
    * if other ticket item constraints are not met.
    * @param {?print_preview.AppState} appState Application state model to update
@@ skipping 79 matching lines @@
       throw Error('Abstract method not overridden');
     },
 
     /**
      * @return {boolean} Whether the print destination capability is available.
      */
     isCapabilityAvailable: function() {
       throw Error('Abstract method not overridden');
     },
 
-    /** @return {!Object} The value of the ticket item. */
+    /** @return {print_preview.ValueType} The value of the ticket item. */
     getValue: function() {
       if (this.isCapabilityAvailable()) {
         if (this.value_ == null) {
           return this.getDefaultValueInternal();
         } else {
           return this.value_;
         }
       } else {
         return this.getCapabilityNotAvailableValueInternal();
       }
@@ skipping 118 matching lines @@
             this.dispatchChangeEventInternal.bind(this));
       }
     },
   };
 
   // Export
   return {
     TicketItem: TicketItem
   };
 });