Keep ServiceWorkerMetrics::Site in ServiceWorkerVersion

content/browser/service_worker/service_worker_controllee_request_handler.cc

Index: content/browser/service_worker/service_worker_controllee_request_handler.cc
diff --git a/content/browser/service_worker/service_worker_controllee_request_handler.cc b/content/browser/service_worker/service_worker_controllee_request_handler.cc
index c64dd8aeaa76960e0b2b1ea27f63abb97163c779..c8b8201b9f85bc850842b93bd7d78787876216c5 100644
--- a/content/browser/service_worker/service_worker_controllee_request_handler.cc
+++ b/content/browser/service_worker/service_worker_controllee_request_handler.cc
@@ -281,8 +281,7 @@ void ServiceWorkerControlleeRequestHandler::
   }
 
   ServiceWorkerMetrics::CountControlledPageLoad(
-      stripped_url_, active_version->has_fetch_handler().value(),
-      is_main_frame_load_);
+      active_version->site_for_uma(), stripped_url_, is_main_frame_load_);
 
   bool is_forwarded =
       MaybeForwardToServiceWorker(job_.get(), active_version.get());
@@ -312,7 +311,7 @@ void ServiceWorkerControlleeRequestHandler::OnVersionStatusChanged(
   }
 
   ServiceWorkerMetrics::CountControlledPageLoad(
-      stripped_url_, version->has_fetch_handler().value(), is_main_frame_load_);
+      version->site_for_uma(), stripped_url_, is_main_frame_load_);
 
   provider_host_->AssociateRegistration(registration,
                                         false /* notify_controllerchange */);