Introduce mash/shell

mash/example/mock_sysui/mock_sysui.h

Index: mash/example/mock_sysui/mock_sysui.h
diff --git a/mash/example/mock_sysui/mock_sysui.h b/mash/example/mock_sysui/mock_sysui.h
deleted file mode 100644
index 23e068b7351f7f55bcc7995e9a9b155b3df0b233..0000000000000000000000000000000000000000
--- a/mash/example/mock_sysui/mock_sysui.h
+++ /dev/null
@@ -1,35 +0,0 @@
-// Copyright 2015 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_EXAMPLE_MOCK_SYSUI_MOCK_SYSUI_H_
-#define MASH_EXAMPLE_MOCK_SYSUI_MOCK_SYSUI_H_
-
-#include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
-#include "mojo/application/public/cpp/application_delegate.h"
-#include "mojo/services/tracing/public/cpp/tracing_impl.h"
-
-namespace views {
-class AuraInit;
-}
-
-class MockSysUI : public mojo::ApplicationDelegate {
- public:
-  MockSysUI();
-  ~MockSysUI() override;
-
- private:
-  // mojo::ApplicationDelegate:
-  void Initialize(mojo::ApplicationImpl* app) override;
-  bool ConfigureIncomingConnection(
-      mojo::ApplicationConnection* connection) override;
-
-  mojo::TracingImpl tracing_;
-
-  scoped_ptr<views::AuraInit> aura_init_;
-
-  DISALLOW_COPY_AND_ASSIGN(MockSysUI);
-};
-
-#endif  // MASH_EXAMPLE_MOCK_SYSUI_MOCK_SYSUI_H_