Compile print_preview, part 3: reduce down to 185 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.
 
+/**
+ * @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
+   * @param {?print_preview.AppState} appState Application state model to update
    *     when ticket items update.
-   * @param {print_preview.AppState.Field=} field Field of the app state to
+   * @param {?print_preview.AppState.Field} field Field of the app state to
    *     update when ticket item is updated.
-   * @param {print_preview.DestinationStore=} destinationStore Used listen for
+   * @param {?print_preview.DestinationStore} destinationStore Used listen for
    *     changes in the currently selected destination's capabilities. Since
    *     this is a common dependency of ticket items, it's handled in the base
    *     class.
-   * @param {print_preview.DocumentInfo=} documentInfo Used to listen for
+   * @param {?print_preview.DocumentInfo=} opt_documentInfo Used to listen for
    *     changes in the document. Since this is a common dependency of ticket
    *     items, it's handled in the base class.
    * @constructor
    * @extends {cr.EventTarget}
    */
-  function TicketItem(appState, field, destinationStore, documentInfo) {
+  function TicketItem(appState, field, destinationStore, opt_documentInfo) {
     cr.EventTarget.call(this);
 
     /**
      * Application state model to update when ticket items update.
      * @type {print_preview.AppState}
      * @private
      */
     this.appState_ = appState || null;
 
     /**
      * Field of the app state to update when ticket item is updated.
      * @type {?print_preview.AppState.Field}
      * @private
      */
     this.field_ = field || null;
 
     /**
      * Used listen for changes in the currently selected destination's
      * capabilities.
      * @type {print_preview.DestinationStore}
      * @private
      */
     this.destinationStore_ = destinationStore || null;
 
     /**
      * Used to listen for changes in the document.
      * @type {print_preview.DocumentInfo}
      * @private
      */
-    this.documentInfo_ = documentInfo || null;
+    this.documentInfo_ = opt_documentInfo || null;
 
     /**
      * Backing store of the print ticket item.
      * @type {Object}
      * @private
      */
     this.value_ = null;
 
     /**
      * Keeps track of event listeners for the ticket item.
@@ skipping 11 matching lines @@
    */
   TicketItem.EventType = {
     CHANGE: 'print_preview.ticket_items.TicketItem.CHANGE'
   };
 
   TicketItem.prototype = {
     __proto__: cr.EventTarget.prototype,
 
     /**
      * Determines whether a given value is valid for the ticket item.
-     * @param {Object} value The value to check for validity.
+     * @param {print_preview.ValueType} value The value to check for validity.
      * @return {boolean} Whether the given value is valid for the ticket item.
      */
     wouldValueBeValid: function(value) {
       throw Error('Abstract method not overridden');
     },
 
     /**
      * @return {boolean} Whether the print destination capability is available.
      */
     isCapabilityAvailable: function() {
@@ skipping 20 matching lines @@
 
     /** @return {boolean} Whether the ticket item's value is valid. */
     isValid: function() {
       if (!this.isUserEdited()) {
         return true;
       }
       return this.wouldValueBeValid(this.value_);
     },
 
     /**
-     * @param {Object} value Value to compare to the value of this ticket item.
+     * @param {print_preview.ValueType} value Value to compare to the value of
+     *     this ticket item.
      * @return {boolean} Whether the given value is equal to the value of the
      *     ticket item.
      */
     isValueEqual: function(value) {
       return this.getValue() == value;
     },
 
-    /** @param {!Object} value Value to set as the value of the ticket item. */
+    /**
+     * @param {print_preview.ValueType} 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);
       }
       if (sendUpdateEvent)
         cr.dispatchSimpleEvent(this, TicketItem.EventType.CHANGE);
@@ skipping 81 matching lines @@
             this.dispatchChangeEventInternal.bind(this));
       }
     },
   };
 
   // Export
   return {
     TicketItem: TicketItem
   };
 });