input[type=search]: Flip the position of cancel button in RTL.

ui/webui/resources/css/widgets.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. */
 
 /* This file defines styles for form controls. The order of rule blocks is
  * important as there are some rules with equal specificity that rely on order
  * as a tiebreaker. These are marked with OVERRIDE. */
 
 @import url(action_link.css);
 
@@ skipping 97 matching lines @@
 </if>
 }
 
 input[type='search'] {
   -webkit-appearance: textfield;
   /* NOTE: Keep a relatively high min-width for this so we don't obscure the end
    * of the default text in relatively spacious languages (i.e. German). */
   min-width: 160px;
 }
 
-/* Remove when https://bugs.webkit.org/show_bug.cgi?id=51499 is fixed.
- * TODO(dbeam): are there more types that would benefit from this? */
-input[type='search']::-webkit-textfield-decoration-container {
-  direction: inherit;
-}
-
 /* Checked ********************************************************************/
 
 input[type='checkbox']:checked::before {
   -webkit-user-select: none;
   background-image: url(../images/check.png);
   background-size: 100% 100%;
   content: '';
   display: block;
   height: 100%;
   width: 100%;
@@ skipping 152 matching lines @@
 
 label > input:disabled:-webkit-any([type='checkbox'], [type='radio']) ~ span {
   color: #999;
 }
 
 extensionview {
   display: inline-block;
   height: 300px;
   width: 300px;
 }