Send 'key' from fake keyboard events generated by file_manager.

ui/file_manager/integration_tests/gallery/photo_editor.js

 // Copyright 2014 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.
 
 'use strict';
 
 /**
  * Prepares the photo editor.
  *
  * @param {string} testVolumeName Test volume name passed to the addEntries
@@ skipping 76 matching lines @@
     var appId = args.appId;
     return gallery.waitAndClickElement(appId,
                                        '.gallery:not([locked]) button.crop').
         then(function() {
           return Promise.all([
             gallery.waitForElement(appId, '.crop-overlay')
           ]);
         }).
         then(function() {
           return gallery.fakeKeyDown(
-              appId, 'body', 'Enter', false, false, false);
+              appId, 'body', 'Enter', 'Enter', false, false, false);
         }).
         then(function(ret) {
           chrome.test.assertTrue(ret);
           return Promise.all([
             gallery.waitForElementLost(appId, '.crop-overlay')
           ]);
         }).
         then(function() {
           return gallery.waitForSlideImage(
               appId,
@@ skipping 44 matching lines @@
           'changeValue', appId, ['.brightness > paper-slider', 20]);
     }).then(function() {
       return gallery.callRemoteTestUtil(
           'changeValue', appId, ['.contrast > paper-slider', -20]);
     }).then(function() {
       return gallery.callRemoteTestUtil('getMetadata', null, [url]);
     }).then(function(metadata) {
       origMetadata = metadata;
 
       // Push the Enter key.
-      return gallery.fakeKeyDown(appId, 'body', 'Enter', false, false, false);
+      return gallery.fakeKeyDown(appId, 'body', 'Enter', 'Enter', false, false,
+                                 false);
     }).then(function() {
       // Wait until the image is updated.
       return repeatUntil(function() {
         return gallery.callRemoteTestUtil('getMetadata', null, [url])
         .then(function(metadata) {
           if (origMetadata.modificationTime != metadata.modificationTime) {
             return true;
           } else {
             return pending(
                 '%s is not updated. ' +
@@ skipping 126 matching lines @@
   return enableDisableOverwriteOriginalCheckbox('local', 'downloads');
 };
 
 /**
  * The enableDisableOverwriteOriginalCheckbox test for Drive.
  * @return {Promise} Promise to be fulfilled with on success.
  */
 testcase.enableDisableOverwriteOriginalCheckboxOnDrive = function() {
   return enableDisableOverwriteOriginalCheckbox('drive', 'drive');
 };