Introduce cr-settings-input and eliminate cr-input

chrome/browser/resources/settings/search_engines_page/search_engine_entry.css

 /* Copyright (c) 2015 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. */
 
 .icons {
   display: inline-block;
   text-align: right;
   width: 96px;
 }
 
 .inputs {
   display: inline-block;
 }
 
-.inputs > cr-input {
+.inputs > paper-input {
   border-bottom: 1px solid gray;
 }
 
-.inputs > cr-input:not(:last-child) {
+.inputs > paper-input:not(:last-child) {
   border-right: 1px solid gray;
 }
 
 .narrow-input {
   width: 140px;
 }
 
 .wide-input {
   width: 300px;
 }