[Refactor] to rename and re-layer the file_util stack layers.

webkit/fileapi/native_file_util.h

+// Copyright (c) 2011 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 WEBKIT_FILEAPI_NATIVE_FILE_UTIL_H_
+#define WEBKIT_FILEAPI_NATIVE_FILE_UTIL_H_
+
+#include "base/file_path.h"
+#include "base/file_util_proxy.h"
+#include "base/platform_file.h"
+#include "webkit/fileapi/file_system_file_util.h"
+
+namespace base {
+class Time;
+}
+
+namespace fileapi {
+
+using base::PlatformFile;
+using base::PlatformFileError;
+class FileSystemOperationContext;
+
+// TODO(dmikurube): Add unit tests for NativeFileUtil.
+// This class handles accessing the OS native filesystem.
+class NativeFileUtil : public FileSystemFileUtil {
+ public:
+  NativeFileUtil() {}
+  virtual ~NativeFileUtil() {}
+
+  virtual PlatformFileError CreateOrOpen(
+      FileSystemOperationContext* unused,
+      const FilePath& file_path,
+      int file_flags,
+      PlatformFile* file_handle,
+      bool* created) OVERRIDE;
+  virtual PlatformFileError Close(
+      FileSystemOperationContext* unused,
+      PlatformFile) OVERRIDE;
+  virtual PlatformFileError EnsureFileExists(
+      FileSystemOperationContext* unused,
+      const FilePath& file_path, bool* created) OVERRIDE;
+  virtual PlatformFileError CreateDirectory(
+      FileSystemOperationContext* context,
+      const FilePath& file_path,
+      bool exclusive,
+      bool recursive) OVERRIDE;
+  virtual PlatformFileError GetFileInfo(
+      FileSystemOperationContext* unused,
+      const FilePath& file_,
+      base::PlatformFileInfo* file_info,
+      FilePath* platform_path) OVERRIDE;
+  virtual PlatformFileError ReadDirectory(
+      FileSystemOperationContext* unused,
+      const FilePath& file_path,
+      std::vector<base::FileUtilProxy::Entry>* entries) OVERRIDE;
+  virtual AbstractFileEnumerator* CreateFileEnumerator(
+      FileSystemOperationContext* unused,
+      const FilePath& root_path) OVERRIDE;
+  virtual PlatformFileError GetLocalFilePath(
+      FileSystemOperationContext* unused,
+      const FilePath& virtual_path,
+      FilePath* local_path) OVERRIDE;
+  virtual PlatformFileError Touch(
+      FileSystemOperationContext* unused,
+      const FilePath& file_path,
+      const base::Time& last_access_time,
+      const base::Time& last_modified_time) OVERRIDE;
+  virtual PlatformFileError Truncate(
+      FileSystemOperationContext* unused,
+      const FilePath& path,
+      int64 length) OVERRIDE;
+  virtual bool PathExists(
+      FileSystemOperationContext* unused,
+      const FilePath& file_path) OVERRIDE;
+  virtual bool DirectoryExists(
+      FileSystemOperationContext* unused,
+      const FilePath& file_path) OVERRIDE;
+  virtual bool IsDirectoryEmpty(
+      FileSystemOperationContext* unused,
+      const FilePath& file_path) OVERRIDE;
+  virtual PlatformFileError CopyOrMoveFile(
+      FileSystemOperationContext* unused,
+      const FilePath& src_file_path,
+      const FilePath& dest_file_path,
+      bool copy) OVERRIDE;
+  virtual PlatformFileError CopyInForeignFile(
+        FileSystemOperationContext* unused,
+        const FilePath& src_file_path,
+        const FilePath& dest_file_path) OVERRIDE;
+  virtual PlatformFileError DeleteFile(
+      FileSystemOperationContext* unused,
+      const FilePath& file_path) OVERRIDE;
+  virtual PlatformFileError DeleteSingleDirectory(
+      FileSystemOperationContext* unused,
+      const FilePath& file_path) OVERRIDE;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(NativeFileUtil);
+};
+
+}  // namespace fileapi
+
+#endif  // WEBKIT_FILEAPI_NATIVE_FILE_UTIL_H_