Ignore focus events on role client nodes.

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 112 matching lines @@
   /**
    * Provides all feedback once a focus event fires.
    * @param {Object} evt
    */
   onFocus: function(evt) {
     // Invalidate any previous editable text handler state.
     this.textEditHandler_ = null;
 
     var node = evt.target;
 
-    // Discard focus events on embeddedObject nodes.
-    if (node.role == RoleType.embeddedObject)
+    // Discard focus events on embeddedObject and client nodes.
+    if (node.role == RoleType.embeddedObject || node.role == RoleType.client)
       return;
 
     // It almost never makes sense to place focus directly on a rootWebArea.
     if (node.role == RoleType.rootWebArea) {
       // Discard focus events for root web areas when focus was previously
       // placed on a descendant.
       var currentRange = ChromeVoxState.instance.currentRange;
       if (currentRange && currentRange.start.node.root == node)
         return;
 
@@ skipping 164 matching lines @@
   if (cvox.ChromeVox.isMac)
     return;
   chrome.automation.getDesktop(function(desktop) {
     global.desktopAutomationHandler = new DesktopAutomationHandler(desktop);
   });
 };
 
 DesktopAutomationHandler.init_();
 
 });  // goog.scope