Determine language code and type of format for address.

third_party/libaddressinput/chromium/cpp/src/normalize_language_code.h

+// Copyright (C) 2014 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef I18N_ADDRESSINPUT_NORMALIZE_LANGUAGE_CODE_H_
+#define I18N_ADDRESSINPUT_NORMALIZE_LANGUAGE_CODE_H_
+
+#include <string>
+
+namespace i18n {
+namespace addressinput {
+
+// Removes the language variation from |language_code|, unless the variation is
+// "latn". For example, returns "zh" for "zh-hans". Returns "zh-latn" for
+// "zh-latn".
+std::string NormalizeLanguageCode(const std::string& language_code);

[Evan Stade, 2014/03/21 23:44:54]

I don't think we should add a new file for every utility function

[please use gerrit instead, 2014/03/22 01:34:30]

This function is shared between address_data.cc and address_ui.cc. Where do you
propose we keep it?

[Evan Stade, 2014/03/24 15:46:07]

in a util file

[please use gerrit instead, 2014/03/24 18:20:58]

Done.

+
+}  // namespace addressinput
+}  // namespace i18n
+
+#endif  // I18N_ADDRESSINPUT_NORMALIZE_LANGUAGE_CODE_H_