Update

Updated cefsharp and removed flash.
But there is now a bug where the browser crashed when trying to download anything.

packages/CefSharp.Common.113.1.40/src/CefSharp.BrowserSubprocess.Core/JavascriptMethodHandler.h

@@ -0,0 +1,44 @@
+// Copyright © 2014 The CefSharp Authors. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
+
+#pragma once
+
+#include "include/cef_v8.h"
+#include "JavascriptCallbackRegistry.h"
+
+using namespace CefSharp::Internals::Wcf;
+
+namespace CefSharp
+{
+    namespace BrowserSubprocess
+    {
+        private class JavascriptMethodHandler : public CefV8Handler
+        {
+        private:
+            gcroot<Func<array<Object^>^, BrowserProcessResponse^>^> _method;
+            gcroot<JavascriptCallbackRegistry^> _callbackRegistry;
+
+        public:
+            JavascriptMethodHandler(Func<array<Object^>^, BrowserProcessResponse^>^ method, JavascriptCallbackRegistry^ callbackRegistry)
+            {
+                _method = method;
+                _callbackRegistry = callbackRegistry;
+            }
+
+            ~JavascriptMethodHandler()
+            {
+                delete _method;
+                // The callback registry is a shared instance among all method handlers (async & sync).
+                // It's lifecycle is managed in the JavascriptRootObjectWrapper.
+                _callbackRegistry = nullptr;
+            }
+
+            virtual bool Execute(const CefString& name, CefRefPtr<CefV8Value> object, const CefV8ValueList& arguments, CefRefPtr<CefV8Value>& retval, CefString& exception) override;
+
+            CefRefPtr<CefV8Value> ConvertToCefObject(Object^ obj);
+
+            IMPLEMENT_REFCOUNTINGM(JavascriptMethodHandler);
+        };
+    }
+}