Move the file type box to right 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. */
 
 html {
   height: 100%;
 }
 
 html.col-resize * {
   cursor: col-resize !important;
@@ skipping 619 matching lines @@
 .dialog-footer[progress] #file-type {
   display: none;
 }
 
 .dialog-footer .progress-bar {
   -webkit-box-flex: 1;
   -webkit-margin-end: 20px;
   -webkit-margin-start: 20px;
 }
 
-#file-type {
+body:not([new-ui]) #file-type {
   -webkit-margin-end: 10px;
 }
 
 /* The container for breadcrumb elements. */
 .breadcrumbs {
   -webkit-box-align: center;
   -webkit-box-flex: 1;
   -webkit-box-orient: horizontal;
   display: -webkit-box;
   line-height: 20px;
@@ skipping 1754 matching lines @@
 body[new-ui] #iframe-drag-area {
   -webkit-app-region: drag;
   height: 45px;
   left: 64px;
   position: absolute;
   right: 70px;
   top: 0;
   width: auto;
   z-index: 101;
 }