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

mojo/services/files/public/c/lib/directory_wrapper.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_DIRECTORY_WRAPPER_H_
-#define SERVICES_FILES_C_LIB_DIRECTORY_WRAPPER_H_
-
-#include <memory>
-
-#include "files/public/c/mojio_sys_types.h"
-#include "files/public/interfaces/directory.mojom.h"
-#include "mojo/public/c/system/macros.h"
-
-namespace mojio {
-
-class ErrnoImpl;
-class FDImpl;
-
-// TODO(vtl): Probably this should be made into an implementation of |FDImpl|
-// (with additional methods) and renamed |DirectoryFDImpl|, to support opening
-// directories, |openat()|, etc>
-class DirectoryWrapper {
- public:
-  DirectoryWrapper(ErrnoImpl* errno_impl, mojo::files::DirectoryPtr directory);
-  ~DirectoryWrapper();
-
-  std::unique_ptr<FDImpl> Open(const char* path, int oflag, mojio_mode_t mode);
-  bool Chdir(const char* path);
-
-  // TODO(vtl): MkDir(), etc.
-
-  // Mostly for tests:
-  mojo::files::DirectoryPtr& directory() { return directory_; }
-
- private:
-  ErrnoImpl* const errno_impl_;
-  mojo::files::DirectoryPtr directory_;
-
-  MOJO_DISALLOW_COPY_AND_ASSIGN(DirectoryWrapper);
-};
-
-}  // namespace mojio
-
-#endif  // SERVICES_FILES_C_LIB_DIRECTORY_WRAPPER_H_