Enables internal filesystem types via Isolated filesystems

webkit/fileapi/local_file_util.h

 // Copyright (c) 2012 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_LOCAL_FILE_UTIL_H_
 #define WEBKIT_FILEAPI_LOCAL_FILE_UTIL_H_
 
 #include <vector>
 
 #include "base/callback_forward.h"
@@ skipping 19 matching lines @@
 
 using base::PlatformFile;
 using base::PlatformFileError;
 
 class FileSystemOperationContext;
 class FileSystemURL;
 
 // An instance of this class is created and owned by *MountPointProvider.
 class FILEAPI_EXPORT_PRIVATE LocalFileUtil : public FileSystemFileUtil {
  public:
-  // |underlying_file_util| is owned by the instance.  It will be deleted by
-  // the owner instance.  For example, it can be instanciated as follows:
-  // FileSystemFileUtil* file_util = new LocalFileUtil(new NativeFileUtil());
   LocalFileUtil();
   virtual ~LocalFileUtil();
 
   virtual PlatformFileError CreateOrOpen(
       FileSystemOperationContext* context,
       const FileSystemURL& url,
       int file_flags,
       PlatformFile* file_handle,
       bool* created) OVERRIDE;
   virtual PlatformFileError Close(
@@ skipping 66 matching lines @@
   FileSystemURL GetLocalPath(
       FileSystemOperationContext* context,
       const FileSystemURL& url);
 
   DISALLOW_COPY_AND_ASSIGN(LocalFileUtil);
 };
 
 }  // namespace fileapi
 
 #endif  // WEBKIT_FILEAPI_LOCAL_FILE_UTIL_H_