File chromium-default-user-data-dir.patch of Package ungoogled-chromium

Change default user data dir to ~/.config/ungoogled-chromium.
https://github.com/Eloston/ungoogled-chromium/issues/568#issuecomment-433724920

--- a/chrome/common/chrome_paths_linux.cc
+++ b/chrome/common/chrome_paths_linux.cc
@@ -91,7 +91,7 @@ bool GetDefaultUserDataDirectory(base::F
 #if BUILDFLAG(GOOGLE_CHROME_BRANDING)
   std::string data_dir_basename = "google-chrome";
 #else
-  std::string data_dir_basename = "chromium";
+  std::string data_dir_basename = "ungoogled-chromium";
 #endif
   *result = config_dir.Append(data_dir_basename + GetChannelSuffixForDataDir());
   return true;