diff -r 000000000000 -r 6474c204b198 browser/metro/base/content/cursor.css
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/metro/base/content/cursor.css	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,11 @@
+/* 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/. */
+
+@namespace xul url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul);
+@namespace html url(http://www.w3.org/1999/xhtml);
+
+/* For touch input, *all* select boxes use the SelectHelper popup. */
+select option, select optgroup {
+  pointer-events: none;
+}