Fix duplex defaults.

chrome/test/data/webui/print_preview.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.
 
 /**
  * Test fixture for print preview WebUI testing.
  * @constructor
  * @extends {testing.Test}
  */
 function PrintPreviewWebUITest() {
@@ skipping 630 matching lines @@
   var duplexCheckbox = otherOptionsDiv.querySelector('.duplex-checkbox');
 
   var capsSetEvent =
       new cr.Event(print_preview.NativeLayer.EventType.CAPABILITIES_SET);
   capsSetEvent.settingsInfo = {
     'printerId': 'FooDevice',
     'disableColorOption': false,
     'setColorAsDefault': true,
     'disableCopiesOption': false,
     'disableLandscapeOption': true,
-    'printerDefaultDuplexValue': 0
+    'printerDefaultDuplexValue': 0,
+    'setDuplexAsDefault': false
   };
   this.nativeLayer_.dispatchEvent(capsSetEvent);
 
   checkSectionVisible(otherOptionsDiv, true);
   expectFalse(duplexDiv.hidden);
   expectFalse(duplexCheckbox.checked);
 
   // If the printer default duplex value is UNKNOWN_DUPLEX_MODE, hide the
   // two sided option.
   var capsSetEvent =
@@ skipping 12 matching lines @@
   expectTrue(duplexDiv.hidden);
 
   var capsSetEvent =
       new cr.Event(print_preview.NativeLayer.EventType.CAPABILITIES_SET);
   capsSetEvent.settingsInfo = {
     'printerId': 'FooDevice',
     'disableColorOption': false,
     'setColorAsDefault': false,
     'disableCopiesOption': false,
     'disableLandscapeOption': false,
-    'printerDefaultDuplexValue': 1
+    'printerDefaultDuplexValue': 1,
+    'setDuplexAsDefault': true
   };
   this.nativeLayer_.dispatchEvent(capsSetEvent);
 
   checkSectionVisible(otherOptionsDiv, true);
   expectFalse(duplexDiv.hidden);
   expectTrue(duplexCheckbox.checked);
 });
 
 // Test that changing the selected printer updates the preview.
 TEST_F('PrintPreviewWebUITest', 'TestPrinterChangeUpdatesPreview', function() {
@@ skipping 61 matching lines @@
   expectEquals(true, previewFailedMessageEl.hidden);
 
   var printFailedMessageEl =
       previewAreaEl.getElementsByClassName('preview-area-print-failed')[0];
   expectEquals(true, printFailedMessageEl.hidden);
 
   var customMessageEl =
       previewAreaEl.getElementsByClassName('preview-area-custom-message')[0];
   expectEquals(false, customMessageEl.hidden);
 });