diff -r 000000000000 -r 6474c204b198 dom/ipc/PDocumentRenderer.ipdl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/ipc/PDocumentRenderer.ipdl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,25 @@
+/* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 8 -*- */
+/* 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 PBrowser;
+
+include "mozilla/GfxMessageUtils.h";
+
+using struct nsIntSize from "nsSize.h";
+
+namespace mozilla {
+namespace ipc {
+
+protocol PDocumentRenderer
+{
+  manager PBrowser;
+
+parent:
+    // Returns the width and height, in pixels, of the returned ARGB32 data.
+    __delete__(nsIntSize renderedSize, nsCString data);
+};
+
+} // namespace ipc
+} // namespace mozilla