Add simplistic screenlock application.

mash/screenlock/screenlock.h

Index: mash/screenlock/screenlock.h
diff --git a/mash/screenlock/screenlock.h b/mash/screenlock/screenlock.h
new file mode 100644
index 0000000000000000000000000000000000000000..9c26107a1bb4a548df1cc0a6a428446d2fc57446
--- /dev/null
+++ b/mash/screenlock/screenlock.h
@@ -0,0 +1,57 @@
+// 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.
+
+#ifndef MASH_SCREENLOCK_SCREENLOCK_H_
+#define MASH_SCREENLOCK_SCREENLOCK_H_
+
+#include <map>
+
+#include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
+#include "mash/screenlock/public/interfaces/screenlock.mojom.h"
+#include "mojo/common/weak_binding_set.h"
+#include "mojo/services/tracing/public/cpp/tracing_impl.h"
+#include "mojo/shell/public/cpp/application_delegate.h"
+
+namespace views {
+class AuraInit;
+}
+
+namespace mash {
+namespace screenlock {
+
+class Screenlock
+    : public mojo::ApplicationDelegate,
+      public mash::screenlock::mojom::Screenlock,
+      public mojo::InterfaceFactory<mash::screenlock::mojom::Screenlock> {
+ public:
+  Screenlock();
+  ~Screenlock() override;
+
+ private:
+  // mojo::ApplicationDelegate:
+  void Initialize(mojo::ApplicationImpl* app) override;
+  bool ConfigureIncomingConnection(
+      mojo::ApplicationConnection* connection) override;
+
+  // mash::screenlock::mojom::Screenlock:
+  void Quit() override;
+
+  // mojo::InterfaceFactory<mash::screenlock::mojom::Screenlock>:
+  void Create(
+      mojo::ApplicationConnection* connection,
+      mojo::InterfaceRequest<mash::screenlock::mojom::Screenlock> r) override;
+
+  mojo::ApplicationImpl* app_;
+  mojo::TracingImpl tracing_;
+  scoped_ptr<views::AuraInit> aura_init_;
+  mojo::WeakBindingSet<mash::screenlock::mojom::Screenlock> bindings_;
+
+  DISALLOW_COPY_AND_ASSIGN(Screenlock);
+};
+
+}  // namespace screenlock
+}  // namespace mash
+
+#endif  // MASH_SCREENLOCK_SCREENLOCK_H_