Print Preview: Fix handling of printers without capabilities.

chrome/browser/resources/print_preview/data/destination_store.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';
 
   /**
    * A data store that stores destinations and dispatches events when the data
    * store changes.
@@ skipping 491 matching lines @@
     'ROC_8K': 'ROC 8k',
   };
 
   /**
    * Localizes printer capabilities.
    * @param {!Object} capabilities Printer capabilities to localize.
    * @return {!Object} Localized capabilities.
    * @private
    */
   DestinationStore.localizeCapabilities_ = function(capabilities) {
+    if (!capabilities.printer)
+      return capabilities;
+
     var mediaSize = capabilities.printer.media_size;
     if (!mediaSize)
       return capabilities;
 
     for (var i = 0, media; media = mediaSize.option[i]; i++) {
       // No need to patch capabilities with localized names provided.
       if (!media.custom_display_name_localized) {
         media.custom_display_name =
             media.custom_display_name ||
             DestinationStore.MEDIA_DISPLAY_NAMES_[media.name] ||
@@ skipping 16 matching lines @@
     return nameA == nameB ? 0 : (nameA > nameB ? 1 : -1);
   };
 
   /**
    * Sort printer media sizes.
    * @param {!Object} capabilities Printer capabilities to localize.
    * @return {!Object} Localized capabilities.
    * @private
    */
   DestinationStore.sortMediaSizes_ = function(capabilities) {
+    if (!capabilities.printer)
+      return capabilities;
+
     var mediaSize = capabilities.printer.media_size;
     if (!mediaSize)
       return capabilities;
 
     // For the standard sizes, separate into categories, as seen in the Cloud
     // Print CDD guide:
     // - North American
     // - Chinese
     // - ISO
     // - Japanese
@@ skipping 1180 matching lines @@
       return this.getDestinationKey_(
           destination.origin, destination.id, destination.account);
     }
   };
 
   // Export
   return {
     DestinationStore: DestinationStore
   };
 });