Initial support for Ranges over automation nodes (used to track ChromeVox focus).

chrome/browser/resources/chromeos/chromevox/common/chrome_extension_externs.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.
 
 
 /**
  * @fileoverview Definitions for the Chromium extensions API used by ChromeVox.
  *
  * @externs
  */
@@ skipping 1222 matching lines @@
  *     name: string,
  *     value: string,
  *     wordStarts: Array.<number>,
  *     wordEnds: Array.<number>
  * }}
  */
 chrome.automation.AutomationNode.prototype.attributes;
 
 
 /**
+ * @type {!chrome.automation.AutomationNode}
+ */
+chrome.automation.AutomationNode.prototype.root;
+
+
+/**
  * @return {chrome.automation.AutomationNode}
  */
 chrome.automation.AutomationNode.prototype.firstChild = function() {};
 
 
 /**
  * @return {chrome.automation.AutomationNode}
  */
 chrome.automation.AutomationNode.prototype.lastChild = function() {};
 
@@ skipping 39 matching lines @@
 
 /**
  * @param {chrome.automation.EventType} eventType
  * @param {function(chrome.automation.AutomationNode) : void} callback
  * @param {boolean} capture
  */
 chrome.automation.AutomationNode.prototype.removeEventListener =
     function(eventType, callback, capture) {};
 
 
+chrome.automation.AutomationNode.prototype.focus = function() {};
+
+
 /**
  * @param {function(chrome.automation.AutomationNode)} callback
  */
 chrome.automation.getDesktop = function(callback) {};
 
 
 /**
  * @param {function(chrome.automation.AutomationNode)} callback
  */
 chrome.automation.getTree = function(callback) {};
@@ skipping 206 matching lines @@
     pressed: 'pressed',
     protected: 'protected',
     readOnly: 'readOnly',
     required: 'required',
     selectable: 'selectable',
     selected: 'selected',
     vertical: 'vertical',
     visited: 'visited'
 };
 // End auto generated externs; do not edit.