diff -r 000000000000 -r 6474c204b198 gfx/layers/ipc/PCompositable.ipdl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/layers/ipc/PCompositable.ipdl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,23 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: sw=2 ts=8 et :
+ */
+/* 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 protocol PLayerTransaction;
+include protocol PImageBridge;
+include protocol PCompositor;
+
+namespace mozilla {
+namespace layers {
+
+async protocol PCompositable
+{
+    manager PImageBridge or PLayerTransaction;
+parent:
+    async __delete__();
+};
+    
+} // namespace
+} // namespace