[ServiceWorker] Propagates ServiceWorker fetched response's URL and wasFetchedViaServiceWorker flag.

content/public/common/resource_response_info.h

Index: content/public/common/resource_response_info.h
diff --git a/content/public/common/resource_response_info.h b/content/public/common/resource_response_info.h
index 31fa4b905b961afada157bd89bc1d54c4123b23e..675b3310d23308827715e93a48cc06767aa7a413 100644
--- a/content/public/common/resource_response_info.h
+++ b/content/public/common/resource_response_info.h
@@ -97,6 +97,13 @@ struct ResourceResponseInfo {
 
   // Remote address of the socket which fetched this resource.
   net::HostPortPair socket_address;
+
+  // True if the response was fetched by a ServiceWorker.
+  bool was_fetched_via_service_worker;
+
+  // The original URL of the response which was fetched by the ServiceWorker.
+  // This may be empty if the response was created inside the ServiceWorker.
+  GURL original_url_via_service_worker;
 };
 
 }  // namespace content