Mark ApplicationImpl::ConnectTo{Application,Service}() as deprecated.

services/authentication/main.cc

Index: services/authentication/main.cc
diff --git a/services/authentication/main.cc b/services/authentication/main.cc
index a40d9658729e4962e6ca806293efcb5f561b115b..96647314762f9149bb0e55ec17d916c24a79d685 100644
--- a/services/authentication/main.cc
+++ b/services/authentication/main.cc
@@ -25,8 +25,8 @@ class GoogleAccountManagerApp
   ~GoogleAccountManagerApp() override {}
 
   void Initialize(mojo::ApplicationImpl* app) override {
-    app->ConnectToService("mojo:network_service", &network_service_);
-    app->ConnectToService("mojo:files", &files_);
+    app->ConnectToServiceDeprecated("mojo:network_service", &network_service_);
+    app->ConnectToServiceDeprecated("mojo:files", &files_);
 
     app_url_ = app->url();
   }