diff -r 000000000000 -r 6474c204b198 dom/interfaces/base/nsITabChild.idl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/interfaces/base/nsITabChild.idl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,16 @@
+/* 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/. */
+
+
+#include "domstubs.idl"
+interface nsIContentFrameMessageManager;
+
+[scriptable, uuid(2eb3bc54-78bf-40f2-b301-a5b5b70f7da0)]
+interface nsITabChild : nsISupports
+{
+  readonly attribute nsIContentFrameMessageManager messageManager;
+
+  [notxpcom] void sendRequestFocus(in boolean canFocus);
+};
+