diff -r 000000000000 -r 6474c204b198 toolkit/mozapps/downloads/nsHelperAppDlg.manifest
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/mozapps/downloads/nsHelperAppDlg.manifest	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,2 @@
+component {F68578EB-6EC2-4169-AE19-8C6243F0ABE1} nsHelperAppDlg.js
+contract @mozilla.org/helperapplauncherdialog;1 {F68578EB-6EC2-4169-AE19-8C6243F0ABE1}