Change FileManager searchbox height and paddings.

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.col-resize * {
   cursor: col-resize !important;
 }
 
 /* Outer frame of the dialog. */
 body {
@@ skipping 437 matching lines @@
 
 .dialog-header div[role=button][disabled] {
   background-color: #f1f1f1;
 }
 
 #search-box {
   -webkit-transition: width 600ms;
   background: -webkit-image-set(
     url('../images/files/ui/icon_search.png') 1x,
     url('../images/files/ui/2x/icon_search.png') 2x);
-  background-position: 4px 3.5px;
+  background-position: 4px 4.5px;
   background-repeat: no-repeat;
   display: -webkit-box;
-  height: 25px;
+  height: 27px;
   margin-right: 10px;
-  padding-left: 22px;
+  padding: 1px 6px 2px 23px;
   width: 150px;
 }
 
 #search-box:focus {
   width: 240px;
 }
 
 #search-box,
 #filename-input-box input {
   border: 1px solid #BBB;
@@ skipping 933 matching lines @@
   width: 50%;
 }
 
 #list-container .table-header-inner {
   height: 100%;
 }
 
 #list-container .table-header-cell:hover {
   background-color: #f2f2f2;
 }