[FileBrowser] Fixed tab navigation for detail-thumbnail-settings buttons.

chrome/browser/resources/shared/js/cr/ui/dialogs.js

 // Copyright (c) 2012 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.
 
 cr.define('cr.ui.dialogs', function() {
 
   function BaseDialog(parentNode) {
     this.parentNode_ = parentNode;
     this.document_ = parentNode.ownerDocument;
 
@@ skipping 183 matching lines @@
           onShow();
       }, BaseDialog.ANIMATE_STABLE_DURATION);
     }, 0);
   };
 
   BaseDialog.prototype.hide = function(onHide) {
     // Restore focusability.
     for (var i = 0; i < this.deactivatedNodes_.length; i++) {
       var node = this.deactivatedNodes_[i];
       if (this.tabIndexes_[i] === null)
-        node.removeAttribute('tabidex');
+        node.removeAttribute('tabindex');
       else
         node.setAttribute('tabindex', this.tabIndexes_[i]);
     }
     this.deactivatedNodes_ = null;
     this.tabIndexes_ = null;
 
     // Note that we control the opacity of the *container*, but the top/left
     // of the *frame*.
     this.container_.classList.remove('shown');
 
@@ skipping 78 matching lines @@
       this.onOk_(this.getValue());
   };
 
   return {
     BaseDialog: BaseDialog,
     AlertDialog: AlertDialog,
     ConfirmDialog: ConfirmDialog,
     PromptDialog: PromptDialog
   };
 });