Files.app: add 'search Drive' to the top of the auto-complete.

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 1676 matching lines @@
   background-color: white;
   border: 1px solid white;
 }
 
 list.autocomplete-suggestions > li > div.detail-text {
   -webkit-box-flex: 1;
   overflow-x: hidden;
   text-overflow: ellipsis;
 }
 
+list.autocomplete-suggestions > li > div[search-icon] {
+  background: -webkit-image-set(
+    url('../images/files/ui/icon_search.png') 1x,
+    url('../images/files/ui/2x/icon_search.png') 2x);
+  background-position: center;
+  background-repeat: no-repeat;
+}
+
 list.autocomplete-suggestions[hasElementFocus] > [selected],
 list.autocomplete-suggestions[hasElementFocus] > [lead],
 list.autocomplete-suggestions:not([hasElementFocus]) > [selected],
 list.autocomplete-suggestions:not([hasElementFocus]) > [lead] {
   background-color: rgb(238, 238, 238);
   background-image: none;
   border: 1px solid white;
 }