alloy: Add touch handle and quick menu support for OSR (fixes issue #3268)

The client is responsible for rendering both as no default implementation
is currently available for OSR.

libcef_dll/ctocpp/run_quick_menu_callback_ctocpp.h

@@ -0,0 +1,42 @@
+// Copyright (c) 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.
+//
+// ---------------------------------------------------------------------------
+//
+// This file was generated by the CEF translator tool. If making changes by
+// hand only do so within the body of existing method and function
+// implementations. See the translator.README.txt file in the tools directory
+// for more information.
+//
+// $hash=519977d5976a7486e0fda9d9b9b0d6fd0fd9b44f$
+//
+
+#ifndef CEF_LIBCEF_DLL_CTOCPP_RUN_QUICK_MENU_CALLBACK_CTOCPP_H_
+#define CEF_LIBCEF_DLL_CTOCPP_RUN_QUICK_MENU_CALLBACK_CTOCPP_H_
+#pragma once
+
+#if !defined(WRAPPING_CEF_SHARED)
+#error This file can be included wrapper-side only
+#endif
+
+#include "include/capi/cef_context_menu_handler_capi.h"
+#include "include/cef_context_menu_handler.h"
+#include "libcef_dll/ctocpp/ctocpp_ref_counted.h"
+
+// Wrap a C structure with a C++ class.
+// This class may be instantiated and accessed wrapper-side only.
+class CefRunQuickMenuCallbackCToCpp
+    : public CefCToCppRefCounted<CefRunQuickMenuCallbackCToCpp,
+                                 CefRunQuickMenuCallback,
+                                 cef_run_quick_menu_callback_t> {
+ public:
+  CefRunQuickMenuCallbackCToCpp();
+  virtual ~CefRunQuickMenuCallbackCToCpp();
+
+  // CefRunQuickMenuCallback methods.
+  void Continue(int command_id, cef_event_flags_t event_flags) override;
+  void Cancel() override;
+};
+
+#endif  // CEF_LIBCEF_DLL_CTOCPP_RUN_QUICK_MENU_CALLBACK_CTOCPP_H_