Add a Mojo example apptest that runs in mojo_shell.

mojo/examples/test/example_service_application.h

+// 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.
+
+#ifndef MOJO_EXAMPLES_TEST_EXAMPLE_SERVICE_APPLICATION_H_
+#define MOJO_EXAMPLES_TEST_EXAMPLE_SERVICE_APPLICATION_H_
+
+#include "mojo/public/cpp/application/application_delegate.h"
+#include "mojo/public/cpp/system/macros.h"
+
+namespace mojo {
+
+class ApplicationConnection;
+
+class ExampleServiceApplication : public ApplicationDelegate {
+ public:
+  ExampleServiceApplication();
+  virtual ~ExampleServiceApplication();
+
+  // ApplicationDelegate overrides.
+  virtual bool ConfigureIncomingConnection(ApplicationConnection* connection)
+      MOJO_OVERRIDE;
+
+ private:
+  MOJO_DISALLOW_COPY_AND_ASSIGN(ExampleServiceApplication);
+};
+
+}  // namespace mojo
+
+#endif  // MOJO_EXAMPLES_TEST_EXAMPLE_SERVICE_APPLICATION_H_