Add initial code to do filename munging in the FileSystem....

webkit/fileapi/obfuscated_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_OBFUSCATED_FILE_UTIL_H_
+#define WEBKIT_FILEAPI_OBFUSCATED_FILE_UTIL_H_
+
+#include "base/file_path.h"
+#include "base/platform_file.h"
+#include "base/singleton.h"
+#include "webkit/fileapi/file_system_file_util.h"
+
+namespace base {
+class Time;  // For TouchFile. TODO remove comment when it's in.
+}
+
+namespace fileapi {
+
+using base::PlatformFile;
+using base::PlatformFileError;
+
+class FileSystemOperationContext;
+
+class ObfuscatedFileUtil : public FileSystemFileUtil {
+ public:
+  static ObfuscatedFileUtil* GetInstance();
+
+  virtual PlatformFileError CreateOrOpen(
+      FileSystemOperationContext* context,
+      const FilePath& file_path,
+      int file_flags,
+      PlatformFile* file_handle,
+      bool *created) OVERRIDE;
+  virtual PlatformFileError CreateDirectory(
+      FileSystemOperationContext* context,
+      const FilePath& file_path,
+      bool exclusive) OVERRIDE;
+ private:
+  ObfuscatedFileUtil() { }
+  friend struct DefaultSingletonTraits<ObfuscatedFileUtil>;
+  DISALLOW_COPY_AND_ASSIGN(ObfuscatedFileUtil);
+};
+
+}  // namespace fileapi
+
+#endif  // WEBKIT_FILEAPI_OBFUSCATED_FILE_UTIL_H_