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

Source/devtools/front_end/resources/serviceWorkersView.css

Index: Source/devtools/front_end/resources/serviceWorkersView.css
diff --git a/Source/devtools/front_end/resources/serviceWorkersView.css b/Source/devtools/front_end/resources/serviceWorkersView.css
index 3fefbd9b2a87c1ff9f3012399a39d15f939e8568..a1c3471f532fd5eef9d92d7bd0257cfff11eac08 100644
--- a/Source/devtools/front_end/resources/serviceWorkersView.css
+++ b/Source/devtools/front_end/resources/serviceWorkersView.css
@@ -187,24 +187,6 @@
     opacity: 0.8;
 }
 
-.service-workers-error-icon {
-    background-image: url(Images/statusbarButtonGlyphs.png);
-    background-size: 320px 144px;
-    background-position: -213px -96px;
-    height: 10px;
-    width: 10px;
-    border: 0;
-    padding: 0;
-    margin: 2px;
-    min-width: 10px;
-}
-
-@media (-webkit-min-device-pixel-ratio: 1.5) {
-.service-workers-error-icon {
-    background-image: url(Images/statusbarButtonGlyphs_2x.png);
-}
-} /* media */
-
 .service-workers-error {
     display: flex;
 }
@@ -213,6 +195,10 @@
     font-weight: bold;
 }
 
+.service-workers-info {
+    display: flex;
+}
+
 .service-workers-color-0 {
     background-color: #003366;
 }