Add a test for application lifecycle

mojo/shell/tests/lifecycle/app.cc

Index: mojo/shell/tests/lifecycle/app.cc
diff --git a/mojo/shell/tests/lifecycle/app.cc b/mojo/shell/tests/lifecycle/app.cc
new file mode 100644
index 0000000000000000000000000000000000000000..b07056b5c84f1369b96c21044f55d0476a871011
--- /dev/null
+++ b/mojo/shell/tests/lifecycle/app.cc
@@ -0,0 +1,14 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "mojo/public/c/system/main.h"
+#include "mojo/shell/public/cpp/application_runner.h"
+#include "mojo/shell/tests/lifecycle/app_client.h"
+
+MojoResult MojoMain(MojoHandle shell_handle) {
+  mojo::shell::test::AppClient* app = new mojo::shell::test::AppClient;
+  mojo::ApplicationRunner runner(app);
+  app->set_runner(&runner);
+  return runner.Run(shell_handle);
+}