Everywhere: Hoist the Libraries folder to the top-level

Author: https://github.com/trflynn89
Commit: 93712b24bf
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2256
Reviewed-by: https://github.com/sideshowbarker

Libraries/LibWeb/HTML/HTMLDocument.h

@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2023, Andreas Kling <andreas@ladybird.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <LibWeb/DOM/Document.h>
+
+namespace Web::HTML {
+
+// NOTE: This class is not currently in the specifications but it *is* implemented by all major browsers.
+//       There is discussion about bringing it back:
+//       https://github.com/whatwg/html/issues/4792
+//       https://github.com/whatwg/dom/issues/221
+class HTMLDocument final : public DOM::Document {
+    WEB_PLATFORM_OBJECT(HTMLDocument, DOM::Document);
+    JS_DECLARE_ALLOCATOR(HTMLDocument);
+
+public:
+    virtual ~HTMLDocument() override;
+
+    [[nodiscard]] static JS::NonnullGCPtr<HTMLDocument> create(JS::Realm&, URL::URL const& url = "about:blank"sv);
+    WebIDL::ExceptionOr<JS::NonnullGCPtr<HTMLDocument>> construct_impl(JS::Realm&);
+
+private:
+    virtual void initialize(JS::Realm&) override;
+
+    HTMLDocument(JS::Realm&, URL::URL const&);
+};
+
+}