Keep track of accessibility focus across windows.

third_party/WebKit/Source/web/resources/calendarPicker.js

 "use strict";
 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 2420 matching lines @@
     cell.setSelected(this.selectedRow === row);
     for (var i = 0; i < cell.monthButtons.length; ++i) {
         var month = new Month(row + 1, i);
         cell.monthButtons[i].id = month.toString();
         cell.monthButtons[i].setAttribute("aria-disabled", this._minimumMonth > month || this._maximumMonth < month ? "true" : "false");
         cell.monthButtons[i].setAttribute("aria-label", month.toLocaleString());
     }
     if (this.highlightedMonth && row === this.highlightedMonth.year - 1) {
         var monthButton = cell.monthButtons[this.highlightedMonth.month];
         monthButton.classList.add(YearListCell.ClassNameHighlighted);
-        // aira-activedescendant assumes both elements have layoutObjects, and
+        // aria-activedescendant assumes both elements have layoutObjects, and
         // |monthButton| might have no layoutObject yet.
         var element = this.element;
         setTimeout(function() {
             element.setAttribute("aria-activedescendant", monthButton.id);
         }, 0);
     }
     var animator = this._runningAnimators[row];
     if (animator)
         cell.setHeight(animator.currentValue);
     else if (row === this.selectedRow)
@@ skipping 1590 matching lines @@
         event.stopPropagation();
         event.preventDefault();
     }
 };
 
 if (window.dialogArguments) {
     initialize(dialogArguments);
 } else {
     window.addEventListener("message", handleMessage, false);
 }