[DevTools]: Require explicit connection

third_party/WebKit/Source/devtools/front_end/sources/uiList.css

 /*
  * Copyright 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.
  */
 
 .list-item {
     padding: 3px 8px 3px 20px;
     position: relative;
     min-height: 18px;
@@ skipping 17 matching lines @@
 .list-item > .title,
 .list-item > .subtitle {
     text-overflow: ellipsis;
     overflow: hidden;
     white-space: nowrap;
 }
 
 .list-item > .subtitle {
     color: #888;
     margin-left: auto;
-    padding-left: 10px;
+    padding: 0 10px 0 10px;
 }
 
 .list-item > .subtitle a {
     color: inherit;
 }
 
 .list-item.label::before {
     content: " ";
     width: 100%;
     border-top: 1px solid #d8d8d8;
     margin-top: 8px;
     position: absolute;
     z-index: -1;
     left: 0;
 }
 
 .list-item.label .title {
     font-weight: bold;
     color: #999;
     background-color: white;
     margin-left: -5px;
     padding: 0 5px;
 }
 
-.list-item.dimmed {
+.list-item.dimmed-item div {
     opacity: 0.6;
     font-style: italic;
 }
 
 .list-item.selected::before {
     background-image: url(Images/smallIcons.png);
     background-size: 190px 30px;
     background-position: -180px 0;
     content: "";
     position: absolute;
     top: 5px;
     left: 4px;
     width: 10px;
     height: 10px;
 }
 
+.list-item.dimmed-item .action {
+    opacity: 1;
+    font-style: initial;
+}
+
+.list-item .action-link {
+    color: rgb(48, 57, 66);
+    text-decoration: underline;
+    cursor: pointer;
+}
+
+.list-item:hover .action-link {
+    color: rgb(17, 85, 204);
+}
+
 @media (-webkit-min-device-pixel-ratio: 1.1) {
 .list-item.selected::before {
     background-image: url(Images/smallIcons_2x.png);
 }
 } /* media */