ServiceWorker: Implement ServiceWorkerRegistration.update() (2)

content/child/service_worker/service_worker_dispatcher.cc

Index: content/child/service_worker/service_worker_dispatcher.cc
diff --git a/content/child/service_worker/service_worker_dispatcher.cc b/content/child/service_worker/service_worker_dispatcher.cc
index e68f64451ba918e53105238a7f6daec12016fdd6..ef24f1703b30e5a7c8fd65ce54a7a3e5bf3af145 100644
--- a/content/child/service_worker/service_worker_dispatcher.cc
+++ b/content/child/service_worker/service_worker_dispatcher.cc
@@ -126,6 +126,13 @@ void ServiceWorkerDispatcher::RegisterServiceWorker(
       CurrentWorkerId(), request_id, provider_id, pattern, script_url));
 }
 
+void ServiceWorkerDispatcher::UpdateServiceWorker(
+    int provider_id,
+    int64 registration_id) {
+  thread_safe_sender_->Send(new ServiceWorkerHostMsg_UpdateServiceWorker(
+      provider_id, registration_id));
+}
+
 void ServiceWorkerDispatcher::UnregisterServiceWorker(
     int provider_id,
     const GURL& pattern,