diff -r 000000000000 -r 6474c204b198 xulrunner/app/xulrunner.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/xulrunner/app/xulrunner.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,26 @@
+/* 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/. */
+
+#filter substitution
+
+// We need to override the default values of these preferences since all.js
+// assumes these are in the navigator package, which for us is nonexistent.
+// XXX(darin): perhaps all.js should not be seamonkey specific
+pref("general.useragent.locale", "@AB_CD@");
+pref("xpinstall.dialog.confirm", "chrome://mozapps/content/xpinstall/xpinstallConfirm.xul");
+pref("xpinstall.dialog.progress.chrome", "chrome://mozapps/content/extensions/extensions.xul");
+pref("xpinstall.dialog.progress.skin", "chrome://mozapps/content/extensions/extensions.xul");
+pref("xpinstall.dialog.progress.type.chrome", "Extension:Manager");
+pref("xpinstall.dialog.progress.type.skin", "Extension:Manager");
+pref("xpinstall.enabled", true);
+#ifdef XP_WIN
+pref("browser.preferences.instantApply", false);
+#else
+pref("browser.preferences.instantApply", true);
+#endif
+#ifdef XP_MACOSX
+pref("browser.preferences.animateFadeIn", true);
+#else
+pref("browser.preferences.animateFadeIn", false);
+#endif