[rac] Add AddressValidator API.

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

+// Copyright (C) 2013 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_validator.h>
+
+#include <libaddressinput/downloader.h>
+#include <libaddressinput/load_rules_observer.h>
+#include <libaddressinput/storage.h>
+
+#include <cassert>
+#include <cstddef>
+#include <string>
+
+#include "retriever.h"
+#include "rule_retriever.h"
+#include "validating_storage.h"
+
+namespace i18n {
+namespace addressinput {
+
+AddressValidator::AddressValidator(const Downloader* downloader,
+                                   Storage* storage)
+    : rule_retriever_(new RuleRetriever(new Retriever(
+        VALIDATION_DATA_URL, downloader, new ValidatingStorage(storage)))) {}
+
+AddressValidator::~AddressValidator() {}
+
+void AddressValidator::LoadRules(const std::string& country_code,
+                                 bool force,
+                                 LoadRulesObserver* observer) {
+  assert(observer != NULL);
+  observer->OnAddressValidationRulesLoaded(country_code, false);
+}
+
+AddressValidator::Result AddressValidator::ValidateAddress(
+    const AddressData& address,
+    const AddressProblemFilter& filter,
+    AddressProblems* problems) const {
+  assert(problems != NULL);
+  problems->clear();
+  return LOAD_RULES_FAIL;
+}
+
+}  // namespace addressinput
+}  // namespace i18n