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base/mime_util_linux.cc

Index: base/mime_util_linux.cc
===================================================================
--- base/mime_util_linux.cc	(revision 19526)
+++ base/mime_util_linux.cc	(working copy)
@@ -561,6 +561,10 @@
   return xdg_mime_get_mime_type_from_file_name(filepath.value().c_str());
 }
 
+std::string GetDataMimeType(const std::string& data) {
+  return xdg_mime_get_mime_type_for_data(data.data(), data.length(), NULL);
+}
+
 FilePath GetMimeIcon(const std::string& mime_type, size_t size) {
   std::vector<std::string> icon_names;
   std::string icon_name;