Options: Fix the disable individual plugins link.

chrome/browser/resources/options/content_settings.css

 /*
 Copyright (c) 2010 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.
 */
 
 .exception-pattern {
   -webkit-box-flex: 1;
   -webkit-margin-end: 10px;
   -webkit-margin-start: 14px;
@@ skipping 28 matching lines @@
 
 .otr-explanation {
   font-style: italic;
 }
 
 #content-settings-exceptions-area list {
   margin-bottom: 10px;
   margin-top: 4px;
 }
 
-#plugins-tab {
-  display: block;
+#disable-plugins-container {
   margin: 7px 0px;
 }
 
 div[role="listitem"][managedby] {
   color: #666;
   font-style: italic;
   position: relative;
 }
 
 div[role="listitem"][managedby="policy"][selected][lead],
 div[role="listitem"][managedby="policy"][selected],
 div[role="listitem"][managedby="policy"] {
   background: -webkit-linear-gradient(#fff1b5, #fae692);
   border-top: 0;
   border-bottom: 1px solid #c9bd8d;
 }
 
 list div[role="listitem"][managedby="policy"] .close-button {
   background-image: url("chrome://theme/IDR_MANAGED");
   opacity: 1;
 }