DevTools: migrate last usages of samllIcons.png to UI.Icon

third_party/WebKit/Source/devtools/front_end/accessibility/accessibilityNode.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.
  */
 
 .sidebar-pane.accessibility-computed {
     background-color: rgba(0, 0, 0, 0.03);
 }
 
@@ skipping 62 matching lines @@
 
 .tree-outline li.property {
     color: rgb(33, 33, 33);
 }
 
 .tree-outline li.invalid {
     position: relative;
     left: -2px;
 }
 
-.tree-outline li.inspected::after {
-    -webkit-mask-image: url(Images/smallIcons.png);
-    -webkit-mask-size: 190px 30px;
-    -webkit-mask-position: -180px 0;
-    background-color: rgb(74, 139, 238);
-    content: "";
-    position: relative;
-    left: 4px;
-    top: 1px;
-    width: 10px;
-    height: 10px;
-    transform: rotate(180deg);
-}
-
-.tree-outline:focus li.inspected.selected::after {
-    background-color: white;
-}
-
 .tree-outline li.selected .selection {
     background-color: inherit;
 }
 
 .tree-outline li.no-dom-node {
     opacity: 0.5;
 }
 
 .tree-outline li.children-unloaded::before {
     opacity: 0.2;
@@ skipping 65 matching lines @@
     margin-left: 5px;
     border: 0;
     display: none;
     position: relative;
     top: 2px;
 }
 
 .tree-outline:focus li.selected .inspect-dom-node {
     background-color: white;
 }