Add ServiceWorker timing information on the popup panel in DevTools's Network tab (1/2)

Source/devtools/front_end/networkPanel.css

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2009 Anthony Ricaud <rik@webkit.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 114 matching lines @@
 .network-timing-bar.blocking,
 .network-timing-bar.proxy {
     background-color: rgb(205, 205, 205);
 }
 
 .network-timing-bar.dns {
     background-color: rgb(31, 124, 131);
 }
 
 .network-timing-bar.connecting,
-.network-timing-bar.ssl {
+.network-timing-bar.ssl,
+.network-timing-bar.serviceworker {
     background-color: rgb(229, 130, 38);
 }
 
 .network-timing-bar.sending {
     background-color: rgb(95, 221, 95);
 }
 
 .network-timing-bar.waiting {
     background-color: rgb(95, 221, 95);
 }
 
 .network-timing-bar.receiving {
     background-color: rgb(65, 137, 215);
 }
 
 .resource-timing-view.visible {
     display: block;
 }
 
 .panel.network .split-view {
     flex: auto;
     position: relative;
 }
 
 .network-filters-header {
     flex: 0 0 23px;
     padding-right: 4px;
 }