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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/platform_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 void OpenFile(const base::FilePath& file_path,
     22                        int desired_flags,
     23                        base::PlatformFile* file_handle);
     24 
     25   static void OpenTempFileInDirectory(const base::FilePath& dir_path,
     26                                       int desired_flags,
     27                                       base::PlatformFile* file_handle);
     28 
     29   static int DeleteFile(const base::FilePath& file_path, bool sync_dir);
     30 
     31   static uint32 GetFileAttributes(const base::FilePath& file_path);
     32 
     33   static int64 GetFileSize(const base::FilePath& file_path);
     34 
     35   // Used to make decisions in the DatabaseDispatcherHost.
     36   static bool OpenTypeIsReadWrite(int desired_flags);
     37 
     38  private:
     39   static bool OpenFileFlagsAreConsistent(int desired_flags);
     40 };
     41 
     42 } // namespace webkit_database
     43 
     44 #endif  // WEBKIT_BROWSER_DATABASE_VFS_BACKEND_H_
     45