ServiceWorker: Support SWRegistration.unregister() in SWGlobalScope [1/2]

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 89d45807fd71b712f24ccd795934aaa75970dbb7..e707151e9f77aab3a9fb2ec3028688b3e1abf7e3 100644
--- a/content/browser/service_worker/service_worker_dispatcher_host.cc
+++ b/content/browser/service_worker/service_worker_dispatcher_host.cc
@@ -583,6 +583,10 @@ void ServiceWorkerDispatcherHost::OnSetHostedVersionId(
       GetContext()->GetLiveRegistration(version->registration_id());
   DCHECK(registration);
 
+  // Set the document URL to the script url in order to allow
+  // register/unregister/getRegistration on ServiceWorkerGlobalScope.
+  provider_host->SetDocumentUrl(version->script_url());
+
   ServiceWorkerRegistrationObjectInfo info;
   ServiceWorkerVersionAttributes attrs;
   GetRegistrationObjectInfoAndVersionAttributes(