Revert of Delete pre-MD code from OmniboxResultView

components/neterror/resources/neterror.css

 /* Copyright 2013 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. */
 
 /* Don't use the main frame div when the error is in a subframe. */
 html[subframe] #main-frame-error {
   display: none;
 }
 
 /* Don't use the subframe error div when the error is in a main frame. */
@@ skipping 144 matching lines @@
   display: flex;
   height: 30px;
   margin: 0;
   padding: 0;
   width: 60px;
 }
 
 #search-image {
   content:
       -webkit-image-set(
-          url(../../resources/default_100_percent/neterror/search_glass.png) 1x,
-          url(../../resources/default_200_percent/neterror/search_glass.png) 2x);
+          url(../../resources/default_100_percent/omnibox/omnibox_search_button_loupe.png) 1x,
+          url(../../resources/default_200_percent/omnibox/omnibox_search_button_loupe.png) 2x);
   margin: auto;
 }
 
 .secondary-button {
   -webkit-margin-end: 16px;
   background: #d9d9d9;
   color: #696969;
 }
 
 .snackbar {
@@ skipping 305 matching lines @@
     overflow: inherit;
     padding: 0 8px;
   }
 }
 
 @media (max-width: 120px) {
   button {
     width: auto;
   }
 }