Print Preview: Fix compile errors in settings/ directory

chrome/browser/resources/print_preview/settings/other_options_settings.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';
 
   /**
    * Represents a single option in the Other Options settings section.
    * @param {!print_preview.ticket_items.TicketItem} ticketItem The ticket item
@@ skipping 27 matching lines @@
      * @private {HTMLElement}
      */
     this.container_ = null;
 
     /**
      * The HTML checkbox input element. The checkbox child element of
      * container_. Populated when decorate() is called.
      * @private {HTMLElement}
      */
     this.checkbox_ = null;
-  };
+  }
 
   CheckboxTicketItemElement.prototype = {
 
     /** @return {boolean} Whether the element is collapsible */
     get collapsible() {
       return this.collapsible_;
     },
 
     /**
      * @return {!print_preview.ticket_items.TicketItem} The ticket item for this
      *      element.
      */
     get ticketItem() {
       return this.ticketItem_;
     },
 
     /** @return {HTMLElement} The checkbox HTML element. */
     get checkbox() {
       return this.checkbox_;
     },
 
     /** Initializes container and checkbox */
     decorate: function() {
-      this.container_ = document.getElementById(this.cssId_);
-      this.checkbox_ = this.container_.querySelector('.checkbox');
+      this.container_ = /** @type {HTMLElement} */(
+          document.getElementById(this.cssId_));
+      this.checkbox_ = /** @type {HTMLElement} */(
+          this.container_.querySelector('.checkbox'));
     },
 
     /** Resets container and checkbox. */
     exitDocument: function() {
       this.container_ = null;
       this.checkbox_ = null;
     },
 
     /** Called when the checkbox is clicked. Updates the ticket item value. */
     onCheckboxClick: function() {
       this.ticketItem_.updateValue(this.checkbox_.checked);
     },
 
     /**
      * Called when the ticket item changes. Updates the UI state.
-     * @param {!print_preview.SettingsSection.OtherOptionsSettings}
+     * @param {!print_preview.OtherOptionsSettings}
      *     otherOptionsSettings The settings section that this element is part
      *     of.
      */
     onTicketItemChange: function(otherOptionsSettings) {
       this.checkbox_.checked = this.ticketItem_.getValue();
       otherOptionsSettings.updateUiStateInternal();
     },
 
     /**
      * @param {boolean} collapseContent Whether the settings section has content
      *     collapsed.
      * @return {boolean} Whether this element should be visible.
      */
     isVisible: function(collapseContent) {
       return this.ticketItem_.isCapabilityAvailable() &&
              (!this.collapsible_ || !collapseContent);
     },
 
     /**
      * Sets the visibility of the element.
      * @param {boolean} collapseContent Whether the settings section has content
      *     collapsed.
      */
     setVisibility: function(collapseContent) {
-      setIsVisible(this.container_, this.isVisible(collapseContent));
+      setIsVisible(assert(this.container_), this.isVisible(collapseContent));
     },
 
   };
 
   /**
    * UI component that renders checkboxes for various print options.
    * @param {!print_preview.ticket_items.Duplex} duplex Duplex ticket item.
    * @param {!print_preview.ticket_items.FitToPage} fitToPage Fit-to-page ticket
    *     item.
    * @param {!print_preview.ticket_items.CssBackground} cssBackground CSS
@@ skipping 32 matching lines @@
       new CheckboxTicketItemElement(cssBackground, true,
                                     'css-background-container'),
       new CheckboxTicketItemElement(selectionOnly, true,
                                     'selection-only-container')
     ];
     if (this.rasterizeEnabled_) {
       this.elements_.splice(4, 0,
                             new CheckboxTicketItemElement(rasterize, true,
                                 'rasterize-container'));
     }
-  };
+  }
 
   OtherOptionsSettings.prototype = {
     __proto__: print_preview.SettingsSection.prototype,
 
     /** @override */
     isAvailable: function() {
       return this.elements_.some(function(element) {
         return element.ticketItem.isCapabilityAvailable();
       });
     },
@@ skipping 13 matching lines @@
        * other elements. */
       for (var i = 0; i < this.elements_.length - 1; i++)
         this.elements_[i].checkbox.disabled = !isEnabled;
     },
 
     /** @override */
     enterDocument: function() {
       print_preview.SettingsSection.prototype.enterDocument.call(this);
       this.elements_.forEach(function(element) {
         this.tracker.add(
-            element.checkbox,
+            assert(element.checkbox),
             'click',
             element.onCheckboxClick.bind(element));
         this.tracker.add(
             element.ticketItem,
             print_preview.ticket_items.TicketItem.EventType.CHANGE,
             element.onTicketItemChange.bind(element, this));
       }, this);
     },
 
     /** @override */
@@ skipping 26 matching lines @@
       }, this);
     },
 
   };
 
   // Export
   return {
     OtherOptionsSettings: OtherOptionsSettings
   };
 });