Remove Chrome's own version of libaddressinput in favor of the upstream.

third_party/libaddressinput/chromium/cpp/src/util/string_util.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_UTIL_STRING_UTIL_H_
-#define I18N_ADDRESSINPUT_UTIL_STRING_UTIL_H_
-
-#include <ctime>
-#include <string>
-#include <vector>
-
-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);
-
-// Returns |time| serialized into a string.
-std::string TimeToString(time_t time);
-
-// Unicode (UTF-8) approximate string comparison. Designed for matching user
-// input against canonical data. Returns true for a match.
-bool LooseStringCompare(const std::string& a, const std::string& b);
-
-// Splits |str| into a vector of strings delimited by |c|, placing the results
-// in |r|. If several instances of |c| are contiguous, or if |str| begins with
-// or ends with |c|, then an empty string is inserted.
-//
-// |str| should not be in a multi-byte encoding like Shift-JIS or GBK in which
-// the trailing byte of a multi-byte character can be in the ASCII range.
-// UTF-8, and other single/multi-byte ASCII-compatible encodings are OK.
-// Note: |c| must be in the ASCII range.
-//
-// The original source code is from:
-// http://src.chromium.org/viewvc/chrome/trunk/src/base/strings/string_split.h?revision=236210
-//
-// Modifications from original:
-//   1) Supports only std::string type.
-//   2) Does not trim whitespace.
-void SplitString(const std::string& str, char c, std::vector<std::string>* r);
-
-}  // namespace addressinput
-}  // namespace i18n
-
-#endif  // I18N_ADDRESSINPUT_UTIL_STRING_UTIL_H_