file manager: fix justification of label in tile view

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

 /*
  * Copyright (c) 2011 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.
  */
 
 /* Outer frame of the dialog. */
 body {
   -webkit-box-flex: 1;
   -webkit-box-orient: vertical;
@@ skipping 327 matching lines @@
 .preview-summary {
   border-top: 1px #aaa solid;
   color: #666;
   font-weight: bold;
   overflow: hidden;
   padding: 5px;
   text-overflow: ellipsis;
   white-space: nowrap;
 }
 
-.filename-label {
+.dialog-footer .filename-label {
   -webkit-box-orient: horizontal;
   color: #666;
   display: -webkit-box;
   font-weight: bold;
   padding-top: 4px;
   padding-right: 4px;
 }
 
 .filename-input {
   -webkit-box-orient: horizontal;
   -webkit-box-flex: 1;
   display: -webkit-box;
 }
 
 /* A horizontal spring. */
 .horizontal-spacer {
   -webkit-box-orient: horizontal;
   -webkit-box-flex: 1;
   display: -webkit-box;
 }
 
 /* A vertical spring. */
 .vertical-spacer {
   -webkit-box-orient: vertical;
   -webkit-box-flex: 1;
   display: -webkit-box;
 }