diff -r 000000000000 -r 6474c204b198 browser/components/shell/src/nsSetDefaultBrowser.manifest
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/components/shell/src/nsSetDefaultBrowser.manifest	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,3 @@
+component {F57899D0-4E2C-4ac6-9E29-50C736103B0C} nsSetDefaultBrowser.js
+contract @mozilla.org/browser/default-browser-clh;1 {F57899D0-4E2C-4ac6-9E29-50C736103B0C}
+category command-line-handler m-setdefaultbrowser @mozilla.org/browser/default-browser-clh;1