Revert of Use setSequentialFocusNavigationStartingPoint in ChromeVox

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 517 matching lines @@
 
 chrome.automation.AutomationNode.prototype.doDefault = function() {};
 
 
 chrome.automation.AutomationNode.prototype.focus = function() {};
 
 
 chrome.automation.AutomationNode.prototype.showContextMenu = function() {};
 
 
-chrome.automation.AutomationNode.prototype
-    .setSequentialFocusNavigationStartingPoint = function() {};
-
-
 /**
  * @param {number} start
  * @param {number} end
  */
 chrome.automation.AutomationNode.prototype.setSelection =
     function(start, end) {};
 
 /** @type {string} */
 chrome.automation.AutomationNode.prototype.containerLiveStatus;
 
@@ skipping 130 matching lines @@
  */
 chrome.automation.AutomationRootNode.prototype.focusObject;
 
 /**
  * @type {number}
  */
 chrome.automation.AutomationRootNode.prototype.focusOffset;
 
 /** @type {function() : !Object} */
 chrome.app.getDetails;