diff -r 000000000000 -r 6474c204b198 content/media/webaudio/OfflineAudioCompletionEvent.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/content/media/webaudio/OfflineAudioCompletionEvent.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,39 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* 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 "OfflineAudioCompletionEvent.h"
+#include "mozilla/dom/OfflineAudioCompletionEventBinding.h"
+#include "AudioContext.h"
+
+namespace mozilla {
+namespace dom {
+
+NS_IMPL_CYCLE_COLLECTION_INHERITED(OfflineAudioCompletionEvent, Event,
+                                   mRenderedBuffer)
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(OfflineAudioCompletionEvent)
+NS_INTERFACE_MAP_END_INHERITING(Event)
+
+NS_IMPL_ADDREF_INHERITED(OfflineAudioCompletionEvent, Event)
+NS_IMPL_RELEASE_INHERITED(OfflineAudioCompletionEvent, Event)
+
+OfflineAudioCompletionEvent::OfflineAudioCompletionEvent(AudioContext* aOwner,
+                                                         nsPresContext* aPresContext,
+                                                         WidgetEvent* aEvent)
+  : Event(aOwner, aPresContext, aEvent)
+{
+  SetIsDOMBinding();
+}
+
+JSObject*
+OfflineAudioCompletionEvent::WrapObject(JSContext* aCx)
+{
+  return OfflineAudioCompletionEventBinding::Wrap(aCx, this);
+}
+
+}
+}
+