Test aria-pressed=mixed on windows

chrome/renderer/resources/extensions/automation/automation_node.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.
 
 var AutomationEvent = require('automationEvent').AutomationEvent;
 var automationInternal =
     require('binding').Binding.create('automationInternal').generate();
 var exceptionHandler = require('uncaught_exception_handler');
 var IsInteractPermitted =
     requireNative('automationInternal').IsInteractPermitted;
@@ skipping 124 matching lines @@
 /**
  * @param {number} axTreeID The id of the accessibility tree.
  * @param {number} nodeID The id of a node.
  * @return {string} The checked state, as undefined, "true", "false" or "mixed".
  */
 var GetChecked = requireNative('automationInternal').GetChecked;
 
 /**
  * @param {number} axTreeID The id of the accessibility tree.
  * @param {number} nodeID The id of a node.
+ * @return {string} The pressed state, as undefined, "true", "false" or "mixed".
+ */
+var GetPressed = requireNative('automationInternal').GetPressed;
+
+/**
+ * @param {number} axTreeID The id of the accessibility tree.
+ * @param {number} nodeID The id of a node.
  * @return {string} The role of the node, or undefined if the tree or
  *     node wasn't found.
  */
 var GetRole = requireNative('automationInternal').GetRole;
 
 /**
  * @param {number} axTreeID The id of the accessibility tree.
  * @param {number} nodeID The id of a node.
  * @return {?automation.Rect} The location of the node, or undefined if
  *     the tree or node wasn't found.
@@ skipping 132 matching lines @@
   },
 
   get role() {
     return GetRole(this.treeID, this.id);
   },
 
   get checked() {
     return GetChecked(this.treeID, this.id);
   },
 
+  get pressed() {
+    return GetPressed(this.treeID, this.id);
+  },
+
   get location() {
     return GetLocation(this.treeID, this.id);
   },
 
   boundsForRange: function(startIndex, endIndex) {
     return GetBoundsForRange(this.treeID, this.id, startIndex, endIndex);
   },
 
   get indexInParent() {
     return GetIndexInParent(this.treeID, this.id);
@@ skipping 815 matching lines @@
   readonly: $Array.concat(publicAttributes, [
       'parent',
       'firstChild',
       'lastChild',
       'children',
       'previousSibling',
       'nextSibling',
       'isRootNode',
       'role',
       'checked',
+      'pressed',
       'state',
       'location',
       'indexInParent',
       'lineStartOffsets',
       'root',
       'htmlAttributes',
       'nameFrom',
   ]),
 });
 
@@ skipping 24 matching lines @@
 utils.defineProperty(AutomationRootNode, 'getOrCreate', function(treeID) {
   return AutomationRootNodeImpl.getOrCreate(treeID);
 });
 
 utils.defineProperty(AutomationRootNode, 'destroy', function(treeID) {
   AutomationRootNodeImpl.destroy(treeID);
 });
 
 exports.$set('AutomationNode', AutomationNode);
 exports.$set('AutomationRootNode', AutomationRootNode);