Ensure we check root has focus when a text changed event fires.

chrome/browser/resources/chromeos/chromevox/cvox2/background/desktop_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 desktop automation node.
  */
 
 goog.provide('DesktopAutomationHandler');
 
@@ skipping 14 matching lines @@
  * @param {!AutomationNode} node
  * @constructor
  * @extends {BaseAutomationHandler}
  */
 DesktopAutomationHandler = function(node) {
   BaseAutomationHandler.call(this, node);
 
   /**
    * The object that speaks changes to an editable text field.
    * @type {editing.TextEditHandler}
+   * @private
    */
   this.textEditHandler_ = null;
 
   /**
    * The last time we handled a value changed event.
    * @type {!Date}
    * @private
    */
   this.lastValueChanged_ = new Date(0);
 
@@ skipping 270 matching lines @@
    * Provides all feedback once a change event in a text field fires.
    * @param {!AutomationEvent} evt
    * @private
    */
   onEditableChanged_: function(evt) {
     // Don't process nodes inside of web content if ChromeVox Next is inactive.
     if (evt.target.root.role != RoleType.desktop &&
         ChromeVoxState.instance.mode === ChromeVoxMode.CLASSIC)
       return;
 
-    if (!evt.target.state.focused)
+    if (!evt.target.state.focused ||
+        (evt.target.root.role != RoleType.desktop &&
+            evt.target.root.parent &&
+            !evt.target.root.parent.state.focused))
       return;
 
     if (!ChromeVoxState.instance.currentRange) {
       this.onEventDefault(evt);
       ChromeVoxState.instance.setCurrentRange(
           cursors.Range.fromNode(evt.target));
     }
 
     this.createTextEditHandlerIfNeeded_(evt.target);
 
@@ skipping 119 matching lines @@
 DesktopAutomationHandler.init_ = function() {
   chrome.automation.getDesktop(function(desktop) {
     ChromeVoxState.desktopAutomationHandler =
         new DesktopAutomationHandler(desktop);
   });
 };
 
 DesktopAutomationHandler.init_();
 
 });  // goog.scope