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 aa954ee1dd0f34a158417c8675def8e9efc585cb..89edad276fb1ae7d78e544d0d8b74092982fa0a1 100644
--- a/content/browser/service_worker/service_worker_dispatcher_host.cc
+++ b/content/browser/service_worker/service_worker_dispatcher_host.cc
@@ -561,6 +561,10 @@ 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(