diff -r 000000000000 -r 6474c204b198 browser/components/shell/src/nsGNOMEShellService.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/components/shell/src/nsGNOMEShellService.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,36 @@
+/* -*- Mode: C++; tab-width: 2; 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 nsgnomeshellservice_h____
+#define nsgnomeshellservice_h____
+
+#include "nsIShellService.h"
+#include "nsStringAPI.h"
+#include "mozilla/Attributes.h"
+
+class nsGNOMEShellService MOZ_FINAL : public nsIShellService
+{
+public:
+  nsGNOMEShellService() : mCheckedThisSession(false), mAppIsInPath(false) { }
+
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSISHELLSERVICE
+
+  nsresult Init() NS_HIDDEN;
+
+private:
+  ~nsGNOMEShellService() {}
+
+  NS_HIDDEN_(bool) KeyMatchesAppName(const char *aKeyValue) const;
+  NS_HIDDEN_(bool) CheckHandlerMatchesAppName(const nsACString& handler) const;
+
+  NS_HIDDEN_(bool) GetAppPathFromLauncher();
+  bool mCheckedThisSession;
+  bool mUseLocaleFilenames;
+  nsCString    mAppPath;
+  bool mAppIsInPath;
+};
+
+#endif // nsgnomeshellservice_h____