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/XHR/ProgressEvent.cpp

@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibWeb/Bindings/ProgressEventPrototype.h>
+#include <LibWeb/Bindings/WindowObject.h>
+#include <LibWeb/XHR/ProgressEvent.h>
+
+namespace Web::XHR {
+
+ProgressEvent* ProgressEvent::create(Bindings::WindowObject& window_object, FlyString const& event_name, ProgressEventInit const& event_init)
+{
+    return window_object.heap().allocate<ProgressEvent>(window_object.realm(), window_object, event_name, event_init);
+}
+
+ProgressEvent* ProgressEvent::create_with_global_object(Bindings::WindowObject& window_object, FlyString const& event_name, ProgressEventInit const& event_init)
+{
+    return create(window_object, event_name, event_init);
+}
+
+ProgressEvent::ProgressEvent(Bindings::WindowObject& window_object, FlyString const& event_name, ProgressEventInit const& event_init)
+    : Event(window_object, event_name, event_init)
+    , m_length_computable(event_init.length_computable)
+    , m_loaded(event_init.loaded)
+    , m_total(event_init.total)
+{
+    set_prototype(&window_object.ensure_web_prototype<Bindings::ProgressEventPrototype>("ProgressEvent"));
+}
+
+ProgressEvent::~ProgressEvent() = default;
+
+}