#ifndef WEBKIT_BROWSER_DATABASE_VFS_BACKEND_H_
#define WEBKIT_BROWSER_DATABASE_VFS_BACKEND_H_
#include "base/files/file.h"
#include "base/process/process.h"
#include "base/strings/string16.h"
#include "webkit/browser/webkit_storage_browser_export.h"
namespace base {
class FilePath;
}
namespace webkit_database {
class WEBKIT_STORAGE_BROWSER_EXPORT VfsBackend {
 public:
   static base::File OpenFile(const base::FilePath& file_path,
                              int desired_flags);
  static base::File OpenTempFileInDirectory(const base::FilePath& dir_path,
                                            int desired_flags);
  static int DeleteFile(const base::FilePath& file_path, bool sync_dir);
  static uint32 GetFileAttributes(const base::FilePath& file_path);
  static int64 GetFileSize(const base::FilePath& file_path);
  
  static bool OpenTypeIsReadWrite(int desired_flags);
 private:
  static bool OpenFileFlagsAreConsistent(int desired_flags);
};
} 
#endif