Show apps protecting local data in chrome://settings/cookies.

chrome/browser/resources/options2/cookies_view.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. */
 
 /* Styles for the cookies list page. */
 #cookies-view-page {
   height: 90%;
   margin-left: -15px;
   width: 720px;
 }
@@ skipping 128 matching lines @@
 }
 
 .cookie-items .cookie-item {
   background: rgb(224, 233, 245);
   border: 1px solid rgb(131, 146, 174);
   border-radius: 5px;
   display: inline-block;
   font-size: 85%;
   height: auto;
   margin: 2px 4px 2px 0;
-  max-width: 100px;
+  max-width: 120px;
   min-width: 40px;
   overflow: hidden;
   padding: 0 3px;
   text-align: center;
   text-overflow: ellipsis;
 }
 
 .cookie-items .cookie-item:hover {
   background: rgb(238, 243, 249);
   border-color: rgb(100, 113, 135);
 }
 
 .cookie-items .cookie-item[selected] {
   background: rgb(245, 248, 248);
   border-color: #B2B2B2;
 }
 
 .cookie-items .cookie-item[selected]:hover {
   background: rgb(245, 248, 248);
   border-color: rgb(100, 113, 135);
 }
 
+.cookie-items .cookie-item .protecting-app,
+.cookie-data .protecting-app {
+  margin-bottom: -3px;
+  margin-left: 4px;
+}
+
 /* Styles for the cookie details box. */
 .cookie-details {
   background: rgb(245, 248, 248);
   border: 1px solid #B2B2B2;
   border-radius: 5px;
   margin-top: 2px;
   padding: 5px;
 }
 
 list.cookie-list > .deletable-item[selected] .cookie-details {
   -webkit-user-select: text;
 }
 
 .cookie-details-table {
   table-layout: fixed;
   width: 100%;
 }
 
 .cookie-details-label {
   vertical-align: top;
   white-space: pre;
   width: 10em;
 }
 
 .cookie-details-value {
   word-wrap: break-word;
 }