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

Source/devtools/front_end/networkPanel.css

Index: Source/devtools/front_end/networkPanel.css
diff --git a/Source/devtools/front_end/networkPanel.css b/Source/devtools/front_end/networkPanel.css
index 7f8fe4d48fba517f3d9bb8ce4a4e00cf83215dd7..cdc7efd6d55ac1477c9bf1361038393c1800fdd1 100644
--- a/Source/devtools/front_end/networkPanel.css
+++ b/Source/devtools/front_end/networkPanel.css
@@ -132,7 +132,8 @@
 }
 
 .network-timing-bar.connecting,
-.network-timing-bar.ssl {
+.network-timing-bar.ssl,
+.network-timing-bar.serviceworker {
     background-color: rgb(229, 130, 38);
 }