Expose more paper sizes when printing to PDF

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 325 matching lines @@
    * @param {!Object} capabilities Printer capabilities to localize.
    * @return {!Object} Localized capabilities.
    * @private
    */
   DestinationStore.localizeCapabilities_ = function(capabilities) {
     var mediaSize = capabilities.printer.media_size;
     if (mediaSize) {
       var mediaDisplayNames = {
         'ISO_A4': 'A4',
         'ISO_A3': 'A3',
+        'ISO_A0': 'A0',

[Aleksey Shlyapnikov, 2015/10/19 16:00:27]

There's crbug/493830 regarding exposing more media sizes for PDF printing. It's
awkward to have A3, A4 and A0 in the list and since we're here, we need to add
most popular media sizes, not just A0.

[AlexisBRENON, 2015/10/20 08:08:55]

Acknowledged.

         'NA_LETTER': 'Letter',
         'NA_LEGAL': 'Legal',
         'NA_LEDGER': 'Tabloid'
       };
       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 ||
               mediaDisplayNames[media.name] ||
@@ skipping 1111 matching lines @@
       return this.getDestinationKey_(
           destination.origin, destination.id, destination.account);
     }
   };
 
   // Export
   return {
     DestinationStore: DestinationStore
   };
 });