From fb37d1a223a83b3539eecac849f497601ed652af Mon Sep 17 00:00:00 2001
From: Marshall Greenblatt <magreenblatt@gmail.com>
Date: Tue, 15 Mar 2022 13:06:58 -0400
Subject: [PATCH] Fix DevTools crash due to unknown .md mime type (fixes issue
 #3278)

---
 libcef/browser/net/internal_scheme_handler.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libcef/browser/net/internal_scheme_handler.cc b/libcef/browser/net/internal_scheme_handler.cc
index 453ae30da..1a7aac817 100644
--- a/libcef/browser/net/internal_scheme_handler.cc
+++ b/libcef/browser/net/internal_scheme_handler.cc
@@ -42,6 +42,8 @@ std::string GetMimeType(const std::string& filename) {
   // Check for newer extensions used by internal resources but not yet
   // recognized by the mime type detector.
   const std::string& extension = CefString(file_path.FinalExtension());
+  if (extension == ".md")
+    return "text/markdown";
   if (extension == ".woff2")
     return "application/font-woff2";