File Manager: Assorted fixes and polish

chrome/browser/resources/file_manager/css/dialogs.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.
  */
 
 .cr-dialog-container {
   position: absolute;
   -webkit-user-select: none;
   top: 0;
   left: 0;
   height: 100%;
   width: 100%;
 
-  background-color: rgba(0,0,0,0.05);
-  -webkit-box-shadow: inset 0px 0px 100px #000;
+  background: -webkit-radial-gradient(rgba(127, 127, 127, 0.5),

[rginda, 2011/08/26 22:41:03]

Background gradient copied from settings code.

+                                      rgba(127, 127, 127, 0.5) 35%,
+                                      rgba(0, 0, 0, 0.7));
   opacity: 0;
   -webkit-transition: opacity 0.25s linear;
-
   overflow: hidden;
 
   z-index: 9999;
 }
 
 .cr-dialog-frame {
   position: absolute;
   display: -webkit-box;
   -webkit-box-orient: vertical;
   -webkit-box-shadow: 5px 5px 5px rgba(100, 100, 100, 0.5);
@@ skipping 17 matching lines @@
   -webkit-box-sizing: border-box;
   width: 100%;
 }
 
 .cr-dialog-buttons {
   display: -webkit-box;
   -webkit-box-orient: horizontal;
   padding-top: 10px;
   -webkit-box-pack: end;
 }