Update json_schema_compiler to handle the Automation extension API

chrome/browser/resources/chromeos/chromevox/cvox2/background/tabs_automation_handler.js

 // Copyright 2015 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.
 
 /**
  * @fileoverview Handles automation from a tabs automation node.
  */
 
 goog.provide('TabsAutomationHandler');
 
+goog.require('CustomAutomationEvent');
 goog.require('DesktopAutomationHandler');
 
 goog.scope(function() {
 var EventType = chrome.automation.EventType;
 var RoleType = chrome.automation.RoleType;
+var StateType = chrome.automation.StateType;
 
 /**
  * @param {!chrome.automation.AutomationNode} tabRoot
  * @constructor
  * @extends {DesktopAutomationHandler}
  */
 TabsAutomationHandler = function(tabRoot) {
   DesktopAutomationHandler.call(this, tabRoot);
 
-  if (tabRoot.role != RoleType.rootWebArea)
+  if (tabRoot.role != RoleType.ROOT_WEB_AREA)
     throw new Error('Expected rootWebArea node but got ' + tabRoot.role);
 
   // When the root is focused, simulate what happens on a load complete.
-  if (tabRoot.state.focused) {
-    this.onLoadComplete(
-        new chrome.automation.AutomationEvent(EventType.loadComplete, tabRoot,
-                                              'page'));
+  if (tabRoot.state[StateType.FOCUSED]) {
+    var event = new CustomAutomationEvent(
+        EventType.LOAD_COMPLETE, tabRoot, 'page');
+    this.onLoadComplete(event);
   }
 };
 
 TabsAutomationHandler.prototype = {
   __proto__: DesktopAutomationHandler.prototype,
 
   /** @override */
   didHandleEvent_: function(evt) {
     evt.stopPropagation();
   },
 
   /** @override */
   onLoadComplete: function(evt) {
     var focused = evt.target.find({state: {focused: true}}) || evt.target;
-    this.onFocus(new chrome.automation.AutomationEvent(
-        EventType.focus, focused, evt.eventFrom));
+    var event = new CustomAutomationEvent(
+        EventType.FOCUS, focused, evt.eventFrom);
+    this.onFocus(event);
   }
 };
 
 });  // goog.scope