ServiceWorker: Expose registration within ServiceWorkerGlobalScope [2/3]

content/browser/service_worker/service_worker_dispatcher_host.cc

Index: content/browser/service_worker/service_worker_dispatcher_host.cc
diff --git a/content/browser/service_worker/service_worker_dispatcher_host.cc b/content/browser/service_worker/service_worker_dispatcher_host.cc
index a8b77c3f23a8c5708c356b801b63219be60a77ce..20615b6d1f67510c56f560b689276ed2982bb075 100644
--- a/content/browser/service_worker/service_worker_dispatcher_host.cc
+++ b/content/browser/service_worker/service_worker_dispatcher_host.cc
@@ -552,6 +552,22 @@ void ServiceWorkerDispatcherHost::OnSetHostedVersionId(
     return;
   if (!provider_host->SetHostedVersionId(version_id))
     BadMessageReceived();
+
+  // Retrieve the registration associated with |version_id|.
+  ServiceWorkerVersion* version = GetContext()->GetLiveVersion(version_id);
+  if (!version)
+    return;
+  ServiceWorkerRegistration* registration =
+      GetContext()->GetLiveRegistration(version->registration_id());
+  DCHECK(registration);
+
+  ServiceWorkerRegistrationObjectInfo info;
+  ServiceWorkerVersionAttributes attrs;
+  GetRegistrationObjectInfoAndVersionAttributes(
+      provider_host->AsWeakPtr(), registration, &info, &attrs);
+
+  Send(new ServiceWorkerMsg_AssociateRegistrationWithServiceWorker(
+      kDocumentMainThreadId, provider_id, info, attrs));
 }
 
 ServiceWorkerRegistrationHandle*