Add CefTestServer that supports both HTTP and HTTPS (see issue #3348)

libcef/browser/test/test_server_impl.h

@@ -0,0 +1,39 @@
+// Copyright 2022 The Chromium Embedded Framework Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be found
+// in the LICENSE file.
+
+#ifndef CEF_LIBCEF_BROWSER_TEST_TEST_SERVER_IMPL_H_
+#define CEF_LIBCEF_BROWSER_TEST_TEST_SERVER_IMPL_H_
+#pragma once
+
+#include <memory>
+
+#include "include/test/cef_test_server.h"
+
+class CefTestServerImpl : public CefTestServer {
+ public:
+  CefTestServerImpl() = default;
+
+  CefTestServerImpl(const CefTestServerImpl&) = delete;
+  CefTestServerImpl& operator=(const CefTestServerImpl&) = delete;
+
+  bool Start(uint16 port,
+             bool https_server,
+             CefRefPtr<CefTestServerHandler> handler);
+
+  // CefTestServer methods:
+  void Stop() override;
+  CefString GetOrigin() override;
+
+ private:
+  // Only accessed on the creation thread.
+  class Context;
+  std::unique_ptr<Context> context_;
+
+  // Safe to access on any thread.
+  CefString origin_;
+
+  IMPLEMENT_REFCOUNTING(CefTestServerImpl);
+};
+
+#endif  // CEF_LIBCEF_BROWSER_TEST_TEST_SERVER_IMPL_H_