ServiceWorker: Support navigator.serviceWorker.installing

content/browser/service_worker/service_worker_provider_host.cc

Index: content/browser/service_worker/service_worker_provider_host.cc
diff --git a/content/browser/service_worker/service_worker_provider_host.cc b/content/browser/service_worker/service_worker_provider_host.cc
index aa66d8101d2fdd4fb11e2f9f593df3f5ba1565fe..e30a6b2d60c29bbef230ca8f36846b69497ea6a3 100644
--- a/content/browser/service_worker/service_worker_provider_host.cc
+++ b/content/browser/service_worker/service_worker_provider_host.cc
@@ -96,8 +96,8 @@ void ServiceWorkerProviderHost::SetInstallingVersion(
   if (!dispatcher_host_)
     return;  // Could be NULL in some tests.
 
-  // TODO(michaeln,nhiroki): Send SetInstallingServiceWorker msg once the
-  // renderer side understands the .installing attribute value.
+  dispatcher_host_->Send(new ServiceWorkerMsg_SetInstallingServiceWorker(
+      kDocumentMainThreadId, provider_id(), CreateHandleAndPass(version)));
 }
 
 void ServiceWorkerProviderHost::UnsetVersion(ServiceWorkerVersion* version) {