Offer Resource Timing in workers

Source/core/fetch/RawResource.h

Index: Source/core/fetch/RawResource.h
diff --git a/Source/core/fetch/RawResource.h b/Source/core/fetch/RawResource.h
index 62da51c48cc38a0e8b08402e099750bb5c5d69b3..b4438a113cc0c6e532c7b574477d446e70191db2 100644
--- a/Source/core/fetch/RawResource.h
+++ b/Source/core/fetch/RawResource.h
@@ -80,6 +80,7 @@ private:
     void setSerializedCachedMetadata(const char*, size_t) override;
     void didSendData(unsigned long long bytesSent, unsigned long long totalBytesToBeSent) override;
     void didDownloadData(int) override;
+    void reportResourceTimingToClients(const ResourceTimingInfo&) override;
 };
 
 #if ENABLE(SECURITY_ASSERT)
@@ -108,6 +109,7 @@ public:
     virtual void redirectReceived(Resource*, ResourceRequest&, const ResourceResponse&) { }
     virtual void updateRequest(Resource*, const ResourceRequest&) { }
     virtual void dataDownloaded(Resource*, int) { }
+    virtual void didReceiveResourceTiming(Resource*, const ResourceTimingInfo&) { }
 };
 
 }