Add Chromium-only Blender WebEngine parity work

blender-5.2.0/source/blender/blentranslation/intern/messages.hh

@@ -0,0 +1,31 @@
+/* SPDX-FileCopyrightText: 2025 Blender Authors
+ *
+ * SPDX-License-Identifier: BSL-1.0 */
+
+/** \file
+ * \ingroup blt
+ *
+ * Adapted from `boost::locale`.
+ */
+
+#include <optional>
+#include <string>
+
+#include "BLI_string_ref.hh"
+#include "BLI_vector.hh"
+
+namespace blender::locale {
+
+void init(const StringRef locale_full_name,   /* Local name. */
+          const Vector<std::string> &domains, /* Application names. */
+          const Vector<std::string> &paths);  /* Search paths for .mo files. */
+void free();
+
+std::optional<StringRefNull> translate(int domain, StringRef context, StringRef key);
+const char *full_name();
+
+#if defined(__APPLE__) && !defined(WITH_HEADLESS) && !defined(WITH_GHOST_SDL)
+std::string macos_user_locale();
+#endif
+
+}  // namespace blender::locale