ServiceWorker: Enable UseCounter for ServiceWorkerGlobalScope

content/child/service_worker/web_service_worker_provider_impl.cc

Index: content/child/service_worker/web_service_worker_provider_impl.cc
diff --git a/content/child/service_worker/web_service_worker_provider_impl.cc b/content/child/service_worker/web_service_worker_provider_impl.cc
index e2a2574c6ee8dd95dd08758f12c36cd6c934f565..75a845dfd67438103b24338b2f744fd055be3bd1 100644
--- a/content/child/service_worker/web_service_worker_provider_impl.cc
+++ b/content/child/service_worker/web_service_worker_provider_impl.cc
@@ -53,6 +53,10 @@ void WebServiceWorkerProviderImpl::setClient(
       GetDispatcher()->GetOrCreateServiceWorker(
           ServiceWorkerHandleReference::Create(context_->controller()->info(),
                                                thread_safe_sender_.get()));
+
+  // Sync controllee's use counter with service worker's use counter.

[falken, 2017/02/09 06:03:58]

nit: I guess this should match the other file: "Sync the controllee's use
counter with the service worker's one."

[nhiroki, 2017/02/13 05:42:09]

Done.

+  for (uint32_t feature : context_->used_features())
+    client->countFeature(feature);
   client->setController(WebServiceWorkerImpl::CreateHandle(controller),
                         false /* shouldNotifyControllerChange */);
 }