[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>

[roubert, 2013/12/11 17:38:26]

You're not actually using this header file.

+#include <libaddressinput/load_rules_delegate.h>
+#include <libaddressinput/storage.h>

[roubert, 2013/12/11 17:38:26]

You're not actually using this header file.

+
+#include <cassert>

[roubert, 2013/12/11 17:38:26]

You're not actually using this header file.

+#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,
+                                   LoadRulesDelegate* load_rules_delegate)
+    : rule_retriever_(new RuleRetriever(new Retriever(
+          VALIDATION_DATA_URL, downloader, new ValidatingStorage(storage)))),
+      load_rules_delegate_(load_rules_delegate) {}
+
+AddressValidator::~AddressValidator() {}
+
+void AddressValidator::LoadRules(const std::string& country_code) {
+  if (load_rules_delegate_ != NULL) {
+    load_rules_delegate_->OnAddressValidationRulesLoaded(country_code, false);

[Evan Stade, 2013/12/11 03:22:10]

nit: as far as a stub implementation is concerned, I think simply doing nothing
is nicer, because the naive implementation of OnAddressValidationRulesLoaded()
might be to just call LoadRules again, which would lead to an infinite loop with
this particular stub impl.

+  }
+}
+
+AddressValidator::Result AddressValidator::ValidateAddress(
+    const AddressData& address,
+    const AddressProblemFilter& filter,
+    AddressProblems* problems) const {
+  return RULES_UNAVAILABLE;
+}
+
+}  // namespace addressinput
+}  // namespace i18n