Add a Mojo example apptest that runs in mojo_shell.

mojo/examples/apptest/example_service_application.cc

+// Copyright 2014 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/examples/apptest/example_service_application.h"
+
+#include "mojo/public/cpp/application/application_connection.h"
+
+namespace mojo {
+
+ExampleServiceApplication::ExampleServiceApplication() {}
+
+ExampleServiceApplication::~ExampleServiceApplication() {}
+
+bool ExampleServiceApplication::ConfigureIncomingConnection(
+    ApplicationConnection* connection) {
+  connection->AddService(&example_service_factory_);
+  return true;
+}
+
+// static
+ApplicationDelegate* ApplicationDelegate::Create() {
+  return new ExampleServiceApplication();
+}
+
+}  // namespace mojo