Compile print_preview, part 6: reduce down to 48 errors

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.
 
 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
@@ skipping 82 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 {print_preview.ValueType} The value of the ticket item. */
+    /** @return {?} 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 23 matching lines @@
 
     /**
      * @param {?} value Value to set as the value of the ticket item.
      */
     updateValue: function(value) {
       // Use comparison with capabilities for event.
       var sendUpdateEvent = !this.isValueEqual(value);
       // Don't lose requested value if capability is not available.
       this.updateValueInternal(value);
       if (this.appState_) {
-        this.appState_.persistField(this.field_, value);
+        this.appState_.persistField(assert(this.field_), value);
       }
       if (sendUpdateEvent)
         cr.dispatchSimpleEvent(this, TicketItem.EventType.CHANGE);
     },
 
     /**
      * @return {?} Default value of the ticket item if no value was set by
      *     the user.
      * @protected
      */
@@ skipping 74 matching lines @@
             this.dispatchChangeEventInternal.bind(this));
       }
     },
   };
 
   // Export
   return {
     TicketItem: TicketItem
   };
 });