1 files changed, 33 insertions, 0 deletions
diff --git a/base/nix/mime_util_xdg.cc b/base/nix/mime_util_xdg.cc
new file mode 100644
index 0000000000..6b5b11d639
--- /dev/null
+++ b/base/nix/mime_util_xdg.cc
@@ -0,0 +1,33 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "base/nix/mime_util_xdg.h"
+
+#include "base/files/file_path.h"
+#include "base/lazy_instance.h"
+#include "base/synchronization/lock.h"
+#include "base/third_party/xdg_mime/xdgmime.h"
+#include "base/threading/thread_restrictions.h"
+
+namespace base {
+namespace nix {
+
+namespace {
+
+// None of the XDG stuff is thread-safe, so serialize all access under
+// this lock.
+LazyInstance<Lock>::Leaky g_mime_util_xdg_lock = LAZY_INSTANCE_INITIALIZER;
+
+}  // namespace
+
+std::string GetFileMimeType(const FilePath& filepath) {
+  if (filepath.empty())
+    return std::string();
+  AssertBlockingAllowed();
+  AutoLock scoped_lock(g_mime_util_xdg_lock.Get());
+  return xdg_mime_get_mime_type_from_file_name(filepath.value().c_str());
+}
+
+}  // namespace nix
+}  // namespace base