Cache the NetworkService interface pointer in the browser.

content/browser/storage_partition_impl.cc

Index: content/browser/storage_partition_impl.cc
diff --git a/content/browser/storage_partition_impl.cc b/content/browser/storage_partition_impl.cc
index 446cce06e957d73ade8de5468e585514d448511f..5f18fef80baa5ce687df57ad2c35eabba059e7da 100644
--- a/content/browser/storage_partition_impl.cc
+++ b/content/browser/storage_partition_impl.cc
@@ -532,16 +532,20 @@ std::unique_ptr<StoragePartitionImpl> StoragePartitionImpl::Create(
 
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableNetworkService)) {
-    mojom::NetworkServicePtr network_service;
-    ServiceManagerConnection::GetForProcess()->GetConnector()->BindInterface(
-        mojom::kNetworkServiceName, &network_service);
+    static mojom::NetworkServicePtr* g_network_service =
+        new mojom::NetworkServicePtr;
+    if (!g_network_service->is_bound()) {
+      ServiceManagerConnection::GetForProcess()->GetConnector()->BindInterface(
+          mojom::kNetworkServiceName, g_network_service);
+    }
     mojom::NetworkContextParamsPtr context_params =
         mojom::NetworkContextParams::New();
     // TODO: fill this
     // context_params->cache_dir =
     // context_params->cookie_path =
-    network_service->CreateNetworkContext(
-        MakeRequest(&partition->network_context_), std::move(context_params));
+    (*g_network_service)
+        ->CreateNetworkContext(MakeRequest(&partition->network_context_),
+                               std::move(context_params));
 
     BlobURLLoaderFactory::BlobContextGetter blob_getter =
         base::BindOnce(&BlobStorageContextGetter, blob_context);