DevTools Security Panel: Use the new security indicators.

third_party/WebKit/Source/devtools/front_end/security/sidebar.css

 /* Copyright (c) 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.
  */
 
 .tree-outline {
     padding: 0;
 }
 
 .tree-outline li {
     display: flex;
     flex-direction: row;
     align-items: center;
 }
 
-.tree-outline:focus li.selected .lock-icon-neutral {
-    background-color: #fff;
+.tree-outline:focus li.selected .lock-icon,
+.tree-outline:focus .security-sidebar-tree-item.selected .icon
+{
+    background-color: white;
 }
 
 .tree-outline .security-main-view-sidebar-tree-item {
     border-bottom: 1px solid rgb(230, 230, 230);
     padding: 16px 0;
 }
 
 .tree-outline .security-sidebar-origins {
     padding: 1px 8px 6px 8px;
     margin-top: 1em;
@@ skipping 10 matching lines @@
 }
 
 .tree-outline .security-main-view-sidebar-tree-item,
 .tree-outline .security-sidebar-origins,
 .tree-outline .sidebar-tree-section + .children > .sidebar-tree-item {
     padding-left: 16px;
 }
 
 .tree-outline .sidebar-tree-item .lock-icon,
 .tree-outline .sidebar-tree-item .security-property {
-    margin-right: 2px;
+    margin-right: 4px;
     flex: none;
 }
 
-.tree-outline:focus .security-sidebar-tree-item.selected .icon:not(.security-property-unknown) {
-    background-image: none;
-    background-color: #fff;
-}
-
 .security-sidebar-tree-item {
     padding: 2px 0;
 }
 
 .security-sidebar-tree-item .titles {
     overflow: hidden;
     margin-right: 5px;
 }
 
-.tree-outline li.selected .lock-icon-neutral {
-    background-image: none;
-    background-color: #5a5a5a;
-    -webkit-mask-image: url(Images/securityStateNeutral.svg);
-    -webkit-mask-size: cover;
-}
-
-.tree-outline .security-sidebar-tree-item.selected .security-property-insecure {
-    -webkit-mask-image: url(Images/securityPropertyInsecure.svg);
-}
-
-.security-sidebar-tree-item.selected .security-property-neutral,
-.security-sidebar-tree-item.selected .security-property-warning {
-    -webkit-mask-image: url(Images/securityPropertyWarning.svg);
-}
-
-.tree-outline .security-sidebar-tree-item.selected .security-property-unknown {
-    -webkit-mask-image: url(Images/securityPropertyUnknown.svg);
-}
-
-.security-sidebar-tree-item.selected .security-property-secure {
-    -webkit-mask-image: url(Images/securityPropertySecure.svg);
-}
-
 .sidebar-tree-item.security-main-view-reload-message .title {
     color: rgba(0, 0, 0, 0.5);
     padding-left: 8px;
 }