diff -r 000000000000 -r 6474c204b198 xpcom/io/nsAppFileLocationProvider.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/xpcom/io/nsAppFileLocationProvider.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,52 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* 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 nsAppFileLocationProvider_h
+#define nsAppFileLocationProvider_h
+
+#include "nsIDirectoryService.h"
+#include "nsIFile.h"
+#include "mozilla/Attributes.h"
+
+class nsIFile;
+
+//*****************************************************************************
+// class nsAppFileLocationProvider
+//*****************************************************************************   
+
+class nsAppFileLocationProvider MOZ_FINAL : public nsIDirectoryServiceProvider2
+{
+public:
+                        nsAppFileLocationProvider();
+
+   NS_DECL_THREADSAFE_ISUPPORTS
+   NS_DECL_NSIDIRECTORYSERVICEPROVIDER
+   NS_DECL_NSIDIRECTORYSERVICEPROVIDER2
+
+private:
+                        ~nsAppFileLocationProvider() {}
+
+protected:
+   NS_METHOD            CloneMozBinDirectory(nsIFile **aLocalFile);
+   /**
+    * Get the product directory. This is a user-specific directory for storing
+    * application settings (e.g. the Application Data directory on windows
+    * systems).
+    * @param aLocal If true, should try to get a directory that is only stored
+    *               locally (ie not transferred with roaming profiles)
+    */
+   NS_METHOD            GetProductDirectory(nsIFile **aLocalFile,
+                                            bool aLocal = false);
+   NS_METHOD            GetDefaultUserProfileRoot(nsIFile **aLocalFile,
+                                                  bool aLocal = false);
+
+#if defined(MOZ_WIDGET_COCOA)
+   static bool          IsOSXLeopard();
+#endif
+
+   nsCOMPtr<nsIFile> mMozBinDirectory;
+};
+
+#endif