Move //mojo/services/X/public/... to //mojo/services/X/... (part 1).

mojo/services/files/public/c/lib/real_errno_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 SERVICES_FILES_C_LIB_REAL_ERRNO_IMPL_H_
-#define SERVICES_FILES_C_LIB_REAL_ERRNO_IMPL_H_
-
-#include "files/public/c/lib/errno_impl.h"
-#include "mojo/public/cpp/system/macros.h"
-
-namespace mojio {
-
-// An implementation of |ErrnoImpl| using the "real" errno.
-class RealErrnoImpl : public ErrnoImpl {
- public:
-  // Important: The constructor and the destructor must not modify (or result in
-  // modifications to) the "real" errno.
-  RealErrnoImpl() {}
-  ~RealErrnoImpl() override {}
-
-  int Get() const override;
-  void Set(int error) override;
-
- private:
-  MOJO_DISALLOW_COPY_AND_ASSIGN(RealErrnoImpl);
-};
-
-}  // namespace mojio
-
-#endif  // SERVICES_FILES_C_LIB_REAL_ERRNO_IMPL_H_