Handle overflow more gracefully in chrome://settings/autofill

chrome/browser/resources/options/autofill_options.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. */
 
 #autofill-options {
   width: 550px;
 }
 
 #autofill-options list {
   min-height: 172px;
 }
 
 .autofill-list-item {
   -webkit-padding-start: 8px;
+  max-width: 50%;
+  overflow: hidden;
+  text-overflow: ellipsis;
 }
 
 .autofill-list-item + .deemphasized {
   -webkit-box-flex: 1;
   overflow: hidden;
   text-overflow: ellipsis;
 }
 
 #autofill-options > div:last-child {
   margin-top: 15px;
@@ skipping 21 matching lines @@
 
 #autofill-options div[role='listitem']:not(:hover):not([selected])
     .hide-until-hover {
   display: none;
 }
 
 #autofill-options div[role='listitem']:-webkit-any(:hover,[selected])
     .hides-on-hover {
   display: none;
 }