diff -r 000000000000 -r 6474c204b198 dom/plugins/base/nsPluginDirServiceProvider.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/plugins/base/nsPluginDirServiceProvider.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,46 @@
+/* -*- 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 nsPluginDirServiceProvider_h_
+#define nsPluginDirServiceProvider_h_
+
+#include "nsIDirectoryService.h"
+
+#if defined (XP_WIN)
+#include "nsCOMArray.h"
+#endif
+
+class nsISimpleEnumerator;
+
+// Note: Our directory service provider scan keys are prefs which are check
+//       for minimum versions compatibility
+#define NS_WIN_ACROBAT_SCAN_KEY        "plugin.scan.Acrobat"
+#define NS_WIN_QUICKTIME_SCAN_KEY      "plugin.scan.Quicktime"
+#define NS_WIN_WMP_SCAN_KEY            "plugin.scan.WindowsMediaPlayer"
+
+//*****************************************************************************
+// class nsPluginDirServiceProvider
+//*****************************************************************************   
+
+class nsPluginDirServiceProvider : public nsIDirectoryServiceProvider
+{
+public:
+   nsPluginDirServiceProvider();
+   
+   NS_DECL_THREADSAFE_ISUPPORTS
+   NS_DECL_NSIDIRECTORYSERVICEPROVIDER
+
+#ifdef XP_WIN
+   static nsresult GetPLIDDirectories(nsISimpleEnumerator **aEnumerator);
+private:
+   static nsresult GetPLIDDirectoriesWithRootKey(uint32_t aKey,
+     nsCOMArray<nsIFile> &aDirs);
+#endif
+
+protected:
+   virtual ~nsPluginDirServiceProvider();
+};
+
+#endif // nsPluginDirServiceProvider_h_