Fix creating a directory in the Save-as dialog.

chrome/browser/resources/file_manager/css/file_manager.css

 /* 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. */
 
 /* Special attribute used in HTML to hide elements. */
 body[type='folder'] [invisibleif~='folder'],
 body[type='upload-folder'] [invisibleif~='upload-folder'],
 body[type='saveas-file'] [invisibleif~='saveas-file'],
 body[type='open-file'] [invisibleif~='open-file'],
 body[type='open-multi-file'] [invisibleif~='open-multi-file'],
@@ skipping 449 matching lines @@
   position: relative;
   width: 180px;
 }
 
 /* Container for the ok/cancel buttons. */
 .dialog-footer {
   -webkit-box-align: center;
   -webkit-box-orient: horizontal;
   border-top: 1px solid rgb(225, 225, 225);
   display: -webkit-box;
+  outline: none;
   padding: 10px;
 }
 
 .progressable:not([progress]) .progress-bar,
 .progressable:not([progress]) .preparing-label {
   display: none;
 }
 
 .progressable[progress] .ok,
 .progressable[progress] #filename-input-box,
@@ skipping 1401 matching lines @@
 }
 
 .share-dialog-webview-wrapper:not(.loaded) .share-dialog-webview {
   visibility: hidden;
 }
 
 .share-dialog-frame .cr-dialog-text,
 .share-dialog-frame .cr-dialog-buttons {
   display: none;
 }