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

chrome/browser/resources/chromeos/chromevox/cvox2/background/desktop_automation_handler.js

Index: chrome/browser/resources/chromeos/chromevox/cvox2/background/desktop_automation_handler.js
diff --git a/chrome/browser/resources/chromeos/chromevox/cvox2/background/desktop_automation_handler.js b/chrome/browser/resources/chromeos/chromevox/cvox2/background/desktop_automation_handler.js
index 4c3e3d42c0f0ba27e40f7fc29a75fa8364a1fe45..055a0322761f80f90a4577bc68eba54a79658bb4 100644
--- a/chrome/browser/resources/chromeos/chromevox/cvox2/background/desktop_automation_handler.js
+++ b/chrome/browser/resources/chromeos/chromevox/cvox2/background/desktop_automation_handler.js
@@ -32,6 +32,7 @@ DesktopAutomationHandler = function(node) {
   /**
    * The object that speaks changes to an editable text field.
    * @type {editing.TextEditHandler}
+   * @private
    */
   this.textEditHandler_ = null;
 
@@ -322,7 +323,10 @@ DesktopAutomationHandler.prototype = {
         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) {