Support WebSQLDatabases in incognito mode.

webkit/database/vfs_backend.h

 // Copyright (c) 2010 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_DATABASE_VFS_BACKEND_H_
 #define WEBKIT_DATABASE_VFS_BACKEND_H_
 
 #include "base/platform_file.h"
 #include "base/process.h"
 #include "base/string16.h"
 
 class FilePath;
 
 namespace webkit_database {
 
 class VfsBackend {
  public:
+  static void GetFileHandleForProcess(base::ProcessHandle process_handle,
+                                      const base::PlatformFile& file_handle,
+                                      base::PlatformFile* target_handle,
+                                      bool close_source_handle);
+
   static void OpenFile(const FilePath& file_path,
                        int desired_flags,
-                       base::ProcessHandle handle,
-                       base::PlatformFile* target_handle);
+                       base::PlatformFile* file_handle);
 
   static void OpenTempFileInDirectory(const FilePath& dir_path,
                                       int desired_flags,
-                                      base::ProcessHandle handle,
-                                      base::PlatformFile* target_handle);
+                                      base::PlatformFile* file_handle);
 
   static int DeleteFile(const FilePath& file_path, bool sync_dir);
 
   static uint32 GetFileAttributes(const FilePath& file_path);
 
   static int64 GetFileSize(const FilePath& file_path);
 
   // Used to make decisions in the DatabaseDispatcherHost.
   static bool FileTypeIsMainDB(int desired_flags);
+  static bool FileTypeIsJournal(int desired_flags);
   static bool OpenTypeIsReadWrite(int desired_flags);
 
  private:
   static bool OpenFileFlagsAreConsistent(int desired_flags);
 };
 
 } // namespace webkit_database
 
 #endif  // WEBKIT_DATABASE_VFS_BACKEND_H_