WebUI "Edit Search Engine" Dialog now wider and deeper and buttons bottom justified

chrome/browser/resources/edit_search_engine_dialog.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.
  */
 
 html, body {
   height: 100%;
   margin: 0;
   overflow: hidden;
 }
@@ skipping 16 matching lines @@
 
 #top-box {
   padding: 9px 9px 0 9px;
 }
 
 #middle-box {
   padding: 4px 9px 0 9px;
 }
 
 .action-area {
-  -webkit-box-align: center;
-  -webkit-box-orient: horizontal;
   -webkit-box-pack: end;
+  -webkit-box-sizing: border-box;
+  bottom: 0;
   display: -webkit-box;
   padding: 12px;
-  text-align: end;
+  position: fixed;
+  width: 100%;
 }
 
 .button-strip {
   -webkit-box-orient: horizontal;
   display: -webkit-box;
 }
 
 .button-strip > button {
   -webkit-margin-start: 10px;
   display: block;
   white-space: nowrap;
 }
 
 .valid {
   background-image: url("chrome://theme/IDR_INPUT_GOOD");
   height: 21px;
   width: 22px;
 }
 
 .invalid {
   background-image: url("chrome://theme/IDR_INPUT_ALERT");
   height: 21px;
   width: 22px;
 }