Use upstream libaddressinput in Chrome.

third_party/libaddressinput/chromium/has_all_required_fields.cc

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "third_party/libaddressinput/chromium/has_all_required_fields.h"
+
+#include "base/macros.h"
+#include "third_party/libaddressinput/src/cpp/include/libaddressinput/address_data.h"
+#include "third_party/libaddressinput/src/cpp/include/libaddressinput/address_field.h"
+#include "third_party/libaddressinput/src/cpp/include/libaddressinput/address_metadata.h"
+
+namespace autofill {
+
+using ::i18n::addressinput::AddressData;
+using ::i18n::addressinput::AddressField;
+using ::i18n::addressinput::IsFieldRequired;
+
+bool HasAllRequiredFields(const AddressData& address_to_check) {
+  static const AddressField kFields[] = {
+    ::i18n::addressinput::COUNTRY,
+    ::i18n::addressinput::ADMIN_AREA,
+    ::i18n::addressinput::LOCALITY,
+    ::i18n::addressinput::DEPENDENT_LOCALITY,
+    ::i18n::addressinput::SORTING_CODE,
+    ::i18n::addressinput::POSTAL_CODE,
+    ::i18n::addressinput::STREET_ADDRESS,
+    ::i18n::addressinput::RECIPIENT
+  };
+
+  for (size_t i = 0; i < arraysize(kFields); ++i) {
+    AddressField field = kFields[i];
+    if (address_to_check.IsFieldEmpty(field) &&
+        IsFieldRequired(field, address_to_check.region_code)) {
+      return false;
+    }
+  }
+
+  return true;
+}
+
+}  // namespace autofill