ServiceWorker: propagate provider_id to the browser process in .register + int32/int cleanup

content/browser/service_worker/service_worker_context_wrapper.cc

Index: content/browser/service_worker/service_worker_context_wrapper.cc
diff --git a/content/browser/service_worker/service_worker_context_wrapper.cc b/content/browser/service_worker/service_worker_context_wrapper.cc
index c3cb294f1261f3a58a0ea597396f05e9b89f443d..f186006e45ad36cacf31a228f6ce028953d778ca 100644
--- a/content/browser/service_worker/service_worker_context_wrapper.cc
+++ b/content/browser/service_worker/service_worker_context_wrapper.cc
@@ -83,6 +83,7 @@ void ServiceWorkerContextWrapper::RegisterServiceWorker(
       pattern,
       script_url,
       source_process_id,
+      NULL /* provider_host */,
       base::Bind(&FinishRegistrationOnIO, continuation));
 }
 
@@ -115,6 +116,7 @@ void ServiceWorkerContextWrapper::UnregisterServiceWorker(
   context()->UnregisterServiceWorker(
       pattern,
       source_process_id,
+      NULL /* provider_host */,
       base::Bind(&FinishUnregistrationOnIO, continuation));
 }