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

Source/platform/network/ResourceLoadTiming.h

Index: Source/platform/network/ResourceLoadTiming.h
diff --git a/Source/platform/network/ResourceLoadTiming.h b/Source/platform/network/ResourceLoadTiming.h
index 08df849710ebc99d8a4cd2ca76d808f8ab9b4453..0bed873d6e915daaa002f3c928e9b5ac62bd577f 100644
--- a/Source/platform/network/ResourceLoadTiming.h
+++ b/Source/platform/network/ResourceLoadTiming.h
@@ -51,6 +51,9 @@ public:
         timing->dnsEnd = dnsEnd;
         timing->connectStart = connectStart;
         timing->connectEnd = connectEnd;
+        timing->fetchStart = fetchStart;
+        timing->launchServiceWorker = launchServiceWorker;
+        timing->fetchEnd = fetchEnd;
         timing->sendStart = sendStart;
         timing->sendEnd = sendEnd;
         timing->receiveHeadersEnd = receiveHeadersEnd;
@@ -68,6 +71,9 @@ public:
             && dnsEnd == other.dnsEnd
             && connectStart == other.connectStart
             && connectEnd == other.connectEnd
+            && fetchStart == other.fetchStart
+            && launchServiceWorker == other.launchServiceWorker
+            && fetchEnd == other.fetchEnd
             && sendStart == other.sendStart
             && sendEnd == other.sendEnd
             && receiveHeadersEnd == other.receiveHeadersEnd
@@ -92,6 +98,9 @@ public:
     double dnsEnd;
     double connectStart;
     double connectEnd;
+    double fetchStart;
+    double launchServiceWorker;
+    double fetchEnd;
     double sendStart;
     double sendEnd;
     double receiveHeadersEnd;
@@ -109,6 +118,9 @@ private:
         , dnsEnd(0)
         , connectStart(0)
         , connectEnd(0)
+        , fetchStart(0)
+        , launchServiceWorker(0)
+        , fetchEnd(0)
         , sendStart(0)
         , sendEnd(0)
         , receiveHeadersEnd(0)