Moves components/mus/examples into mash

mash/example/main/main_application_delegate.h

 // 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 COMPONENTS_MUS_EXAMPLE_MAIN_MAIN_APPLICATION_DELEGATE_H_
-#define COMPONENTS_MUS_EXAMPLE_MAIN_MAIN_APPLICATION_DELEGATE_H_
+#ifndef MASH_EXAMPLE_MAIN_MAIN_APPLICATION_DELEGATE_H_
+#define MASH_EXAMPLE_MAIN_MAIN_APPLICATION_DELEGATE_H_
 
 #include "base/macros.h"
 #include "base/memory/scoped_vector.h"
 #include "mojo/application/public/cpp/application_delegate.h"
 #include "mojo/application/public/cpp/interface_factory_impl.h"
 
 namespace mojo {
 class ApplicationConnection;
 }
 
 class MainApplicationDelegate : public mojo::ApplicationDelegate {
  public:
   MainApplicationDelegate();
   ~MainApplicationDelegate() override;
 
  private:
   // ApplicationDelegate:
   void Initialize(mojo::ApplicationImpl* app) override;
   bool ConfigureIncomingConnection(
       mojo::ApplicationConnection* connection) override;
 
   ScopedVector<mojo::ApplicationConnection> connections_;
 
   DISALLOW_COPY_AND_ASSIGN(MainApplicationDelegate);
 };
 
-#endif  // COMPONENTS_MUS_EXAMPLE_MAIN_MAIN_APPLICATION_DELEGATE_H_
+#endif  // MASH_EXAMPLE_MAIN_MAIN_APPLICATION_DELEGATE_H_