Translate: Implement reset the denial state on chrome://translate-internals

chrome/browser/resources/translate_internals/translate_internals.css

 /* Copyright 2013 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. */
 
 body {
   color: #333;
 }
 
 h2 {
   font-size: 110%;
@@ skipping 32 matching lines @@
 
 #tabpanel-prefs ul {
   list-style-type: none;
   padding-left: 0;
 }
 
 #tabpanel-prefs ul li {
   width: 100%;
 }
 
-#tabpanel-prefs ul li button {
+#tabpanel-prefs button.dismissing {
   background-color: transparent;
   border-style: solid;
   border-width: 1px;
   color: #666;
   cursor: pointer;
   font-size: 110%;
   margin-left: 1em;
 }
 
 .detection-logs-time {
@@ skipping 59 matching lines @@
 .event-logs-place {
   overflow: hidden;
   text-overflow: ellipsis;
   white-space: nowrap;
   width: 35%;
 }
 
 .event-logs-message {
   width: 50%;
 }
+
+.prefs-setting-disabled {
+  display: none;
+}