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

third_party/libaddressinput/chromium/cpp/src/address_metadata.cc

-// 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.
-
-#include <libaddressinput/address_metadata.h>
-
-#include <libaddressinput/address_field.h>
-
-#include <algorithm>
-#include <string>
-
-#include "region_data_constants.h"
-#include "rule.h"
-
-namespace i18n {
-namespace addressinput {
-
-bool IsFieldRequired(AddressField field, const std::string& region_code) {
-  if (field == COUNTRY) {
-    return true;
-  }
-
-  Rule rule;
-  rule.CopyFrom(Rule::GetDefault());
-  if (!rule.ParseSerializedRule(
-          RegionDataConstants::GetRegionData(region_code))) {
-    return false;
-  }
-
-  return std::find(rule.GetRequired().begin(),
-                   rule.GetRequired().end(),
-                   field) != rule.GetRequired().end();
-}
-
-bool IsFieldUsed(AddressField field, const std::string& region_code) {
-  if (field == COUNTRY) {
-    return true;
-  }
-
-  Rule rule;
-  rule.CopyFrom(Rule::GetDefault());
-  if (!rule.ParseSerializedRule(
-          RegionDataConstants::GetRegionData(region_code))) {
-    return false;
-  }
-
-  FormatElement to_find(field);
-  for (std::vector<std::vector<FormatElement> >::const_iterator line_it =
-           rule.GetFormat().begin();
-       line_it != rule.GetFormat().end();
-       ++line_it) {
-    if (std::find(line_it->begin(), line_it->end(), to_find) != line_it->end())
-      return true;
-  }
-
-  return false;
-}
-
-}  // namespace addressinput
-}  // namespace i18n