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/NavigatorOnLine.h

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2022, Andrew Kaster <akaster@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+namespace Web::HTML {
+
+class NavigatorOnLineMixin {
+public:
+    // https://html.spec.whatwg.org/multipage/system-state.html#dom-navigator-online
+    // FIXME: Reflect actual connectivity status.
+    bool on_line() const { return true; }
+};
+
+}