diff -r 000000000000 -r 6474c204b198 xpcom/io/SpecialSystemDirectory.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/xpcom/io/SpecialSystemDirectory.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,103 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef _SPECIALSYSTEMDIRECTORY_H_
+#define _SPECIALSYSTEMDIRECTORY_H_
+
+#include "nscore.h"
+#include "nsIFile.h"
+
+#ifdef MOZ_WIDGET_COCOA
+#include <Carbon/Carbon.h>
+#include "nsILocalFileMac.h"
+#include "prenv.h"
+#endif
+
+extern void StartupSpecialSystemDirectory();
+
+
+enum SystemDirectories {
+  OS_DriveDirectory         =   1,   
+  OS_TemporaryDirectory     =   2,   
+  OS_CurrentProcessDirectory=   3,   
+  OS_CurrentWorkingDirectory=   4,
+  XPCOM_CurrentProcessComponentDirectory=   5,   
+  XPCOM_CurrentProcessComponentRegistry=   6,   
+  
+  Moz_BinDirectory          =   100 ,
+  Mac_SystemDirectory       =   101,   
+  Mac_DesktopDirectory      =   102,   
+  Mac_TrashDirectory        =   103,   
+  Mac_StartupDirectory      =   104,   
+  Mac_ShutdownDirectory     =   105,   
+  Mac_AppleMenuDirectory    =   106,   
+  Mac_ControlPanelDirectory =   107,   
+  Mac_ExtensionDirectory    =   108,   
+  Mac_FontsDirectory        =   109,   
+  Mac_ClassicPreferencesDirectory =   110,   
+  Mac_DocumentsDirectory          =   111,   
+  Mac_InternetSearchDirectory     =   112,   
+  Mac_DefaultDownloadDirectory    =   113,   
+  Mac_UserLibDirectory      =   114,   
+  Mac_PreferencesDirectory  =   115,
+   
+  Win_SystemDirectory       =   201,   
+  Win_WindowsDirectory      =   202,
+  Win_HomeDirectory         =   203,   
+  Win_Desktop               =   204,   
+  Win_Programs              =   205,   
+  Win_Controls              =   206,   
+  Win_Printers              =   207,   
+  Win_Personal              =   208,   
+  Win_Favorites             =   209,   
+  Win_Startup               =   210,   
+  Win_Recent                =   211,   
+  Win_Sendto                =   212,   
+  Win_Bitbucket             =   213,   
+  Win_Startmenu             =   214,   
+  Win_Desktopdirectory      =   215,   
+  Win_Drives                =   216,   
+  Win_Network               =   217,   
+  Win_Nethood               =   218,   
+  Win_Fonts                 =   219,   
+  Win_Templates             =   220,   
+  Win_Common_Startmenu      =   221,   
+  Win_Common_Programs       =   222,   
+  Win_Common_Startup        =   223,   
+  Win_Common_Desktopdirectory = 224,   
+  Win_Appdata               =   225,   
+  Win_Printhood             =   226,   
+  Win_Cookies               =   227, 
+  Win_LocalAppdata          =   228,
+  Win_ProgramFiles          =   229,
+  Win_Downloads             =   230,
+  Win_Common_AppData        =   231,
+  Win_Documents             =   232,
+  Win_Pictures              =   233,
+  Win_Music                 =   234,
+  Win_Videos                =   235,
+
+  Unix_LocalDirectory       =   301,   
+  Unix_LibDirectory         =   302,   
+  Unix_HomeDirectory        =   303,
+  Unix_XDG_Desktop          =   304,
+  Unix_XDG_Documents        =   305,
+  Unix_XDG_Download         =   306,
+  Unix_XDG_Music            =   307,
+  Unix_XDG_Pictures         =   308,
+  Unix_XDG_PublicShare      =   309,
+  Unix_XDG_Templates        =   310,
+  Unix_XDG_Videos           =   311
+};
+
+nsresult
+GetSpecialSystemDirectory(SystemDirectories aSystemSystemDirectory,
+                          nsIFile** aFile);
+#ifdef MOZ_WIDGET_COCOA
+nsresult
+GetOSXFolderType(short aDomain, OSType aFolderType, nsIFile **localFile);
+#endif
+
+#endif