LibWeb: Make DOM::Event and all its subclasses GC-allocated

Author: https://github.com/awesomekling
Commit: 7c3db526b0
Pull-request: https://github.com/SerenityOS/serenity/pull/14816
Reviewed-by: https://github.com/ADKaster
Reviewed-by: https://github.com/linusg ✅

Userland/Libraries/LibWeb/HTML/PageTransitionEvent.cpp

@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibWeb/Bindings/PageTransitionEventPrototype.h>
+#include <LibWeb/Bindings/WindowObject.h>
+#include <LibWeb/HTML/PageTransitionEvent.h>
+
+namespace Web::HTML {
+
+PageTransitionEvent* PageTransitionEvent::create(Bindings::WindowObject& window_object, FlyString const& event_name, PageTransitionEventInit const& event_init)
+{
+    return window_object.heap().allocate<PageTransitionEvent>(window_object.realm(), window_object, event_name, event_init);
+}
+
+PageTransitionEvent* PageTransitionEvent::create_with_global_object(Bindings::WindowObject& window_object, FlyString const& event_name, PageTransitionEventInit const& event_init)
+{
+    return create(window_object, event_name, event_init);
+}
+
+PageTransitionEvent::PageTransitionEvent(Bindings::WindowObject& window_object, FlyString const& event_name, PageTransitionEventInit const& event_init)
+    : DOM::Event(window_object, event_name, event_init)
+    , m_persisted(event_init.persisted)
+{
+    set_prototype(&window_object.ensure_web_prototype<Bindings::PageTransitionEventPrototype>("PageTransitionEvent"));
+}
+
+PageTransitionEvent::~PageTransitionEvent() = default;
+
+}