[DevTools] Show LastModified and ResponseTime of ServiceWorker script in DevTools

Source/devtools/front_end/ui/smallIcon.css

Index: Source/devtools/front_end/ui/smallIcon.css
diff --git a/Source/devtools/front_end/ui/smallIcon.css b/Source/devtools/front_end/ui/smallIcon.css
index fdc941479c6ba4e459ed8cb2d883b99d024dcc89..fc5712f9627c75064141e36aed408892f3d041d2 100644
--- a/Source/devtools/front_end/ui/smallIcon.css
+++ b/Source/devtools/front_end/ui/smallIcon.css
@@ -13,6 +13,7 @@ div {
 
 div.error-icon,
 div.warning-icon,
+div.info-icon,
 div.device-icon,
 div.red-ball,
 div.green-ball,
@@ -24,6 +25,7 @@ div.orange-ball {
 @media (-webkit-min-device-pixel-ratio: 1.5) {
 div.error-icon,
 div.warning-icon,
+div.info-icon,
 div.device-icon,
 div.red-ball,
 div.green-ball,
@@ -40,6 +42,10 @@ div.warning-icon {
     background-position: -202px -107px;
 }
 
+div.info-icon {
+    background-position: -213px -107px;
+}
+
 div.device-icon {
     background-position: -224px -107px;
 }