Missing files + start working on offline patcher

SafeExamBrowser.Browser/Wrapper/Events/TakeFocusEventHandler.cs

@@ -0,0 +1,14 @@
+/*
+ * Copyright (c) 2025 ETH Zürich, IT Services
+ * 
+ * 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/.
+ */
+
+using CefSharp;
+
+namespace SafeExamBrowser.Browser.Wrapper.Events
+{
+	internal delegate void TakeFocusEventHandler(IWebBrowser chromiumWebBrowser, IBrowser browser, bool next);
+}