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      1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef WEBKIT_BROWSER_DATABASE_VFS_BACKEND_H_
      6 #define WEBKIT_BROWSER_DATABASE_VFS_BACKEND_H_
      7 
      8 #include "base/files/file.h"
      9 #include "base/process/process.h"
     10 #include "base/strings/string16.h"
     11 #include "webkit/browser/webkit_storage_browser_export.h"
     12 
     13 namespace base {
     14 class FilePath;
     15 }
     16 
     17 namespace webkit_database {
     18 
     19 class WEBKIT_STORAGE_BROWSER_EXPORT VfsBackend {
     20  public:
     21    static base::File OpenFile(const base::FilePath& file_path,
     22                               int desired_flags);
     23 
     24   static base::File OpenTempFileInDirectory(const base::FilePath& dir_path,
     25                                             int desired_flags);
     26 
     27   static int DeleteFile(const base::FilePath& file_path, bool sync_dir);
     28 
     29   static uint32 GetFileAttributes(const base::FilePath& file_path);
     30 
     31   static int64 GetFileSize(const base::FilePath& file_path);
     32 
     33   // Used to make decisions in the DatabaseDispatcherHost.
     34   static bool OpenTypeIsReadWrite(int desired_flags);
     35 
     36  private:
     37   static bool OpenFileFlagsAreConsistent(int desired_flags);
     38 };
     39 
     40 } // namespace webkit_database
     41 
     42 #endif  // WEBKIT_BROWSER_DATABASE_VFS_BACKEND_H_
     43