Initial import.

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diff --git a/chromium/webkit/browser/fileapi/native_file_util.h b/chromium/webkit/browser/fileapi/native_file_util.h
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+++ b/chromium/webkit/browser/fileapi/native_file_util.h
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+// Copyright (c) 2012 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_BROWSER_FILEAPI_NATIVE_FILE_UTIL_H_
+#define WEBKIT_BROWSER_FILEAPI_NATIVE_FILE_UTIL_H_
+
+#include "base/files/file_path.h"
+#include "base/files/file_util_proxy.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/platform_file.h"
+#include "webkit/browser/fileapi/file_system_file_util.h"
+#include "webkit/browser/webkit_storage_browser_export.h"
+
+namespace base {
+class Time;
+}
+
+namespace fileapi {
+
+// A thin wrapper class for accessing the OS native filesystem.
+// This performs common error checks necessary to implement FileUtil family
+// in addition to perform native filesystem operations.
+//
+// For the error checks it performs please see the comment for
+// FileSystemFileUtil interface
+// (webkit/browser/fileapi/file_system_file_util.h).
+//
+// Note that all the methods of this class are static and this does NOT
+// inherit from FileSystemFileUtil.
+class WEBKIT_STORAGE_BROWSER_EXPORT_PRIVATE NativeFileUtil {
+ public:
+  static base::PlatformFileError CreateOrOpen(
+      const base::FilePath& path,
+      int file_flags,
+      base::PlatformFile* file_handle,
+      bool* created);
+  static base::PlatformFileError Close(base::PlatformFile file);
+  static base::PlatformFileError EnsureFileExists(const base::FilePath& path,
+                                                  bool* created);
+  static base::PlatformFileError CreateDirectory(const base::FilePath& path,
+                                                 bool exclusive,
+                                                 bool recursive);
+  static base::PlatformFileError GetFileInfo(const base::FilePath& path,
+                                             base::PlatformFileInfo* file_info);
+  static scoped_ptr<FileSystemFileUtil::AbstractFileEnumerator>
+      CreateFileEnumerator(const base::FilePath& root_path,
+                           bool recursive);
+  static base::PlatformFileError Touch(const base::FilePath& path,
+                                       const base::Time& last_access_time,
+                                       const base::Time& last_modified_time);
+  static base::PlatformFileError Truncate(const base::FilePath& path,
+                                          int64 length);
+  static bool PathExists(const base::FilePath& path);
+  static bool DirectoryExists(const base::FilePath& path);
+  static base::PlatformFileError CopyOrMoveFile(const base::FilePath& src_path,
+                                                const base::FilePath& dest_path,
+                                                bool copy);
+  static base::PlatformFileError DeleteFile(const base::FilePath& path);
+  static base::PlatformFileError DeleteDirectory(const base::FilePath& path);
+
+ private:
+  DISALLOW_IMPLICIT_CONSTRUCTORS(NativeFileUtil);
+};
+
+}  // namespace fileapi
+
+#endif  // WEBKIT_BROWSER_FILEAPI_NATIVE_FILE_UTIL_H_