Reland: Add an event to notify accessibility when a permissions bubble gets shown.

chrome/browser/resources/chromeos/chromevox/cvox2/background/automation_util.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 ChromeVox utilities for the automation extension API.
  */
 
 goog.provide('AutomationUtil');
 goog.provide('AutomationUtil.Dir');
@@ skipping 95 matching lines @@
  *     to a candidate node.
  * @return {AutomationNode}
  */
 AutomationUtil.findNextNode = function(cur, dir, pred) {
   var next = cur;
   do {
     if (!(next = AutomationUtil.findNextSubtree(cur, dir)))
       return null;
     cur = next;
     next = AutomationUtil.findNodePre(next, dir, pred);
+    if (next && AutomationPredicate.shouldIgnoreLeaf(next))
+      next = null;
   } while (!next);
   return next;
 };
 
 /**
  * Given nodes a_1, ..., a_n starting at |cur| in pre order traversal, apply
  * |pred| to a_i and a_(i - 1) until |pred| is satisfied.  Returns a_(i - 1) or
  * a_i (depending on opt_options.before) or null if no match was found.
  * @param {AutomationNode} cur
  * @param {Dir} dir
@@ skipping 115 matching lines @@
  * @return {boolean}
  */
 AutomationUtil.isInSameTree = function(a, b) {
   if (!a || !b)
     return true;
 
   return a.root === b.root;
 };
 
 });  // goog.scope