2 files changed, 50 insertions, 0 deletions
diff --git a/widget/generic/PCompositorWidget.ipdl b/widget/generic/PCompositorWidget.ipdl
new file mode 100644
index 0000000000..faa7bcda5a
--- /dev/null
+++ b/widget/generic/PCompositorWidget.ipdl
@@ -0,0 +1,29 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=99: */
+/* 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 PCompositorBridge;
+
+// This file is a stub, for platforms that do not yet support out-of-process
+// compositing or do not need specialized types to do so.
+
+namespace mozilla {
+namespace widget {
+
+[ManualDealloc, ChildImpl=virtual, ParentImpl=virtual]
+sync protocol PCompositorWidget
+{
+  manager PCompositorBridge;
+
+parent:
+  async __delete__();
+
+child:
+  async ObserveVsync();
+  async UnobserveVsync();
+};
+
+} // namespace widget
+} // namespace mozilla
diff --git a/widget/generic/PlatformWidgetTypes.ipdlh b/widget/generic/PlatformWidgetTypes.ipdlh
new file mode 100644
index 0000000000..c4b6d2ca4f
--- /dev/null
+++ b/widget/generic/PlatformWidgetTypes.ipdlh
@@ -0,0 +1,21 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=99: */
+/* 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/. */
+
+// This file is a stub, for platforms that do not yet support out-of-process
+// compositing or do not need specialized types to do so.
+
+include HeadlessWidgetTypes;
+
+namespace mozilla {
+namespace widget {
+
+union CompositorWidgetInitData
+{
+  HeadlessCompositorWidgetInitData;
+};
+
+} // namespace widget
+} // namespace mozilla