Print Preview: Remove global onPrivetPrintFailed

chrome/browser/resources/print_preview/component.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', function() {
   'use strict';
 
   /**
    * Class that represents a UI component.
    * @constructor
    * @extends {cr.EventTarget}
    */
   function Component() {
     cr.EventTarget.call(this);
 
     /**
      * Component's HTML element.
-     * @type {Element}
-     * @private
+     * @private {Element}
      */
     this.element_ = null;
 
     this.isInDocument_ = false;
 
     /**
      * Component's event tracker.
-     * @type {EventTracker}
-     * @private
+     * @private {!EventTracker}
      */
      this.tracker_ = new EventTracker();
 
     /**
+     * Component's WebUI listener tracker.
+     * @private {!WebUIListenerTracker}
+     */
+     this.listenerTracker_ = new WebUIListenerTracker();
+
+    /**
      * Child components of the component.
-     * @type {!Array<!print_preview.Component>}
-     * @private
+     * @private {!Array<!print_preview.Component>}
      */
     this.children_ = [];
   }
 
   Component.prototype = {
     __proto__: cr.EventTarget.prototype,
 
     /** Gets the component's element. */
     getElement: function() {
       return this.element_;
     },
 
-    /** @return {EventTracker} Component's event tracker. */
+    /** @return {!EventTracker} Component's event tracker. */
     get tracker() {
       return this.tracker_;
     },
 
+    /** @return {!WebUIListenerTracker} Component's Web UI listener tracker. */
+    get listenerTracker() {
+      return this.listenerTracker_;
+    },
+
     /**
      * @return {boolean} Whether the element of the component is already in the
      *     HTML document.
      */
     get isInDocument() {
       return this.isInDocument_;
     },
 
     /**
      * Creates the root element of the component. Sub-classes should override
@@ skipping 18 matching lines @@
     },
 
     /** Removes all event listeners. */
     exitDocument: function() {
       this.children_.forEach(function(child) {
         if (child.isInDocument) {
           child.exitDocument();
         }
       });
       this.tracker_.removeAll();
+      this.listenerTracker_.removeAll();
       this.isInDocument_ = false;
     },
 
     /**
      * Renders this UI component and appends the element to the given parent
      * element.
      * @param {!Element} parentElement Element to render the component's
      *     element into.
      */
     render: function(parentElement) {
@@ skipping 101 matching lines @@
         setIsVisible(el, true);
       }
       return el;
     }
   };
 
   return {
     Component: Component
   };
 });