In ChromeVox Next, create a text edit handler on "LoadComplete" if there is already a focused text …

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 229 matching lines @@
   onLoadComplete: 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;
 
     chrome.automation.getFocus(function(focus) {
       if (!focus || !AutomationUtil.isDescendantOf(focus, evt.target))
         return;
 
+      // Create text edit handler, if needed, now in order not to miss initial
+      // value change if text field has already been focused when initializing
+      // ChromeVox.
+      this.createTextEditHandlerIfNeeded_(focus);
+
       // If initial focus was already placed on this page (e.g. if a user starts
       // tabbing before load complete), then don't move ChromeVox's position on
       // the page.
       if (ChromeVoxState.instance.currentRange &&
           ChromeVoxState.instance.currentRange.start.node.root == focus.root)
         return;
 
       var o = new Output();
       if (focus.role == RoleType.rootWebArea) {
         // Restore to previous position.
@@ skipping 155 matching lines @@
 DesktopAutomationHandler.init_ = function() {
   chrome.automation.getDesktop(function(desktop) {
     ChromeVoxState.desktopAutomationHandler =
         new DesktopAutomationHandler(desktop);
   });
 };
 
 DesktopAutomationHandler.init_();
 
 });  // goog.scope