Move application_manager from /mojo to /shell.

shell/application_manager/shell_impl.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 MOJO_APPLICATION_MANAGER_SHELL_IMPL_H_
-#define MOJO_APPLICATION_MANAGER_SHELL_IMPL_H_
+#ifndef SHELL_APPLICATION_MANAGER_SHELL_IMPL_H_
+#define SHELL_APPLICATION_MANAGER_SHELL_IMPL_H_
 
 #include "mojo/public/cpp/bindings/binding.h"
 #include "mojo/public/cpp/bindings/error_handler.h"
 #include "mojo/public/interfaces/application/application.mojom.h"
 #include "mojo/public/interfaces/application/shell.mojom.h"
 #include "url/gurl.h"
 
 namespace mojo {
 class ApplicationManager;
 
@@ skipping 35 matching lines @@
   ApplicationManager* const manager_;
   const GURL requested_url_;
   const GURL url_;
   Binding<Shell> binding_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellImpl);
 };
 
 }  // namespace mojo
 
-#endif  // MOJO_APPLICATION_MANAGER_SHELL_IMPL_H_
+#endif  // SHELL_APPLICATION_MANAGER_SHELL_IMPL_H_