1 files changed, 29 insertions, 0 deletions
diff --git a/dom/events/BeforeUnloadEvent.cpp b/dom/events/BeforeUnloadEvent.cpp
new file mode 100644
index 0000000000..77f41d0010
--- /dev/null
+++ b/dom/events/BeforeUnloadEvent.cpp
@@ -0,0 +1,29 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 "mozilla/dom/BeforeUnloadEvent.h"
+
+namespace mozilla::dom {
+
+void BeforeUnloadEvent::SetReturnValue(const nsAString& aReturnValue) {
+  mText = aReturnValue;
+}
+
+void BeforeUnloadEvent::GetReturnValue(nsAString& aReturnValue) {
+  aReturnValue = mText;
+}
+
+}  // namespace mozilla::dom
+
+using namespace mozilla;
+using namespace mozilla::dom;
+
+already_AddRefed<BeforeUnloadEvent> NS_NewDOMBeforeUnloadEvent(
+    EventTarget* aOwner, nsPresContext* aPresContext, WidgetEvent* aEvent) {
+  RefPtr<BeforeUnloadEvent> it =
+      new BeforeUnloadEvent(aOwner, aPresContext, aEvent);
+  return it.forget();
+}