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

examples/spinning_cube/spinning_cube_app.cc

Index: examples/spinning_cube/spinning_cube_app.cc
diff --git a/examples/spinning_cube/spinning_cube_app.cc b/examples/spinning_cube/spinning_cube_app.cc
index 54805d577f93f05e005bc5a08726fa13339afe8f..f5deeb9b5d0ef6362a0a62c76740c575dd46bcdb 100644
--- a/examples/spinning_cube/spinning_cube_app.cc
+++ b/examples/spinning_cube/spinning_cube_app.cc
@@ -32,7 +32,7 @@ class SpinningCubeApp : public mojo::ApplicationDelegate,
   }
 
   void Initialize(mojo::ApplicationImpl* app) override {
-    app->ConnectToService("mojo:native_viewport_service", &viewport_);
+    app->ConnectToServiceDeprecated("mojo:native_viewport_service", &viewport_);
     viewport_.set_connection_error_handler(
         [this]() { OnViewportConnectionError(); });