Re-add the line break attribute

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 598 matching lines @@
 chrome.automation.anchorOffset;
 
 /**
  * @type {(chrome.automation.AutomationNode|undefined)}
  */
 chrome.automation.AutomationNode.prototype.focusObject;
 
 /**
  * @type {(Array<number>|undefined)}
  */
-chrome.automation.AutomationNode.prototype.lineStartOffsets;
+chrome.automation.AutomationNode.prototype.lineBreaks;
 
 /**
  * @type {(number|undefined)}
  */
 chrome.automation.focusOffset;
 
 /**
  * @type {(chrome.automation.AutomationNode|undefined)}
  */
 chrome.automation.AutomationNode.prototype.activeDescendant;
@@ skipping 52 matching lines @@
  */
 chrome.automation.AutomationRootNode.prototype.focusObject;
 
 /**
  * @type {number}
  */
 chrome.automation.AutomationRootNode.prototype.focusOffset;
 
 /** @type {function() : !Object} */
 chrome.app.getDetails;