mandoline filesystem: Rewrite using base::File.

components/filesystem/directory_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 COMPONENTS_FILESYSTEM_DIRECTORY_IMPL_H_
 #define COMPONENTS_FILESYSTEM_DIRECTORY_IMPL_H_
 
+#include "base/files/file_path.h"
 #include "base/files/scoped_file.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "components/filesystem/public/interfaces/directory.mojom.h"
 #include "mojo/public/cpp/bindings/interface_request.h"
 #include "mojo/public/cpp/bindings/strong_binding.h"
 
 namespace base {
 class ScopedTempDir;
 }  // namespace base
 
 namespace filesystem {
 
 class DirectoryImpl : public Directory {
  public:
   // Set |temp_dir| only if there's a temporary directory that should be deleted
   // when this object is destroyed.
   DirectoryImpl(mojo::InterfaceRequest<Directory> request,
-                base::ScopedFD dir_fd,
+                base::FilePath directory_path,
                 scoped_ptr<base::ScopedTempDir> temp_dir);
   ~DirectoryImpl() override;
 
   // |Directory| implementation:
   void Read(const ReadCallback& callback) override;
-  void Stat(const StatCallback& callback) override;
-  void Touch(TimespecOrNowPtr atime,
-             TimespecOrNowPtr mtime,
-             const TouchCallback& callback) override;
   void OpenFile(const mojo::String& path,
                 mojo::InterfaceRequest<File> file,
                 uint32_t open_flags,
                 const OpenFileCallback& callback) override;
   void OpenDirectory(const mojo::String& path,
                      mojo::InterfaceRequest<Directory> directory,
                      uint32_t open_flags,
                      const OpenDirectoryCallback& callback) override;
   void Rename(const mojo::String& path,
               const mojo::String& new_path,
               const RenameCallback& callback) override;
   void Delete(const mojo::String& path,
               uint32_t delete_flags,
               const DeleteCallback& callback) override;
 
  private:
   mojo::StrongBinding<Directory> binding_;
-  base::ScopedFD dir_fd_;
+  base::FilePath directory_path_;
   scoped_ptr<base::ScopedTempDir> temp_dir_;
 
   DISALLOW_COPY_AND_ASSIGN(DirectoryImpl);
 };
 
 }  // namespace filesystem
 
 #endif  // COMPONENTS_FILESYSTEM_DIRECTORY_IMPL_H_