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/cpptoc/run_quick_menu_callback_cpptoc.h

@@ -0,0 +1,38 @@
+// 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.
+//
+// $hash=b641fe8119fa5ab3e3a635105ca25985dec40bd0$
+//
+
+#ifndef CEF_LIBCEF_DLL_CPPTOC_RUN_QUICK_MENU_CALLBACK_CPPTOC_H_
+#define CEF_LIBCEF_DLL_CPPTOC_RUN_QUICK_MENU_CALLBACK_CPPTOC_H_
+#pragma once
+
+#if !defined(BUILDING_CEF_SHARED)
+#error This file can be included DLL-side only
+#endif
+
+#include "include/capi/cef_context_menu_handler_capi.h"
+#include "include/cef_context_menu_handler.h"
+#include "libcef_dll/cpptoc/cpptoc_ref_counted.h"
+
+// Wrap a C++ class with a C structure.
+// This class may be instantiated and accessed DLL-side only.
+class CefRunQuickMenuCallbackCppToC
+    : public CefCppToCRefCounted<CefRunQuickMenuCallbackCppToC,
+                                 CefRunQuickMenuCallback,
+                                 cef_run_quick_menu_callback_t> {
+ public:
+  CefRunQuickMenuCallbackCppToC();
+  virtual ~CefRunQuickMenuCallbackCppToC();
+};
+
+#endif  // CEF_LIBCEF_DLL_CPPTOC_RUN_QUICK_MENU_CALLBACK_CPPTOC_H_