[Payments] Move address normalization code from android to native.

components/payments/address_validator_helper.cc

Index: components/payments/address_validator_helper.cc
diff --git a/components/payments/address_validator_helper.cc b/components/payments/address_validator_helper.cc
new file mode 100644
index 0000000000000000000000000000000000000000..17d3a1c041c86b7693bd37dfb5144f301da6632f
--- /dev/null
+++ b/components/payments/address_validator_helper.cc
@@ -0,0 +1,137 @@
+// Copyright 2017 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 "components/payments/address_validator_helper.h"
+
+#include <memory>
+#include <utility>
+
+#include "base/strings/utf_string_conversions.h"
+#include "components/autofill/core/browser/address_i18n.h"
+#include "third_party/libaddressinput/chromium/chrome_address_validator.h"
+#include "third_party/libaddressinput/src/cpp/include/libaddressinput/address_data.h"
+#include "third_party/libaddressinput/src/cpp/include/libaddressinput/source.h"
+#include "third_party/libaddressinput/src/cpp/include/libaddressinput/storage.h"
+
+namespace {
+using ::i18n::addressinput::Source;
+using ::i18n::addressinput::Storage;
+}  // namespace
+
+namespace payments {
+
+namespace {
+
+class AddressNormalizationRequest : public NormalizationRequest {
+ public:
+  AddressNormalizationRequest(AutofillProfile profile,
+                              const std::string& region_code,

[please use gerrit instead, 2017/02/14 21:31:08]

const-ref

[sebsg, 2017/02/15 16:18:30]

Done.

+                              AddressNormalizationRequester* requester,
+                              autofill::AddressValidator* address_validator) {

[please use gerrit instead, 2017/02/14 21:31:08]

nit: Use initializer list, i.e., ClassName(type param_name) :
parame_name_(param_name) {}

[sebsg, 2017/02/15 16:18:30]

Done.

+    profile_ = profile;
+    region_code_ = region_code;
+    requester_ = requester;
+    address_validator_ = address_validator;
+  }
+
+  ~AddressNormalizationRequest() override {}
+
+  void OnRulesSuccessfullyLoaded() override {
+    requester_->OnAddressNormalized(NormalizeAddress(profile_, region_code_));
+  }
+
+ private:
+  AutofillProfile NormalizeAddress(AutofillProfile profile,
+                                   const std::string& region_code) {

[please use gerrit instead, 2017/02/14 21:31:08]

nit: move the body of this function inside of OnRulesSuccessfullyLoaded.

[sebsg, 2017/02/15 16:18:30]

Done.

+    DCHECK(address_validator_->AreRulesLoadedForRegion(region_code));
+
+    // Create the AddressData from the profile.
+    ::i18n::addressinput::AddressData address_data =
+        *autofill::i18n::CreateAddressDataFromAutofillProfile(profile,
+                                                              region_code);
+
+    // Normalize the address.
+    if (address_validator_ &&
+        address_validator_->NormalizeAddress(&address_data)) {
+      profile.SetRawInfo(autofill::ADDRESS_HOME_STATE,
+                         base::UTF8ToUTF16(address_data.administrative_area));
+      profile.SetRawInfo(autofill::ADDRESS_HOME_CITY,
+                         base::UTF8ToUTF16(address_data.locality));
+      profile.SetRawInfo(autofill::ADDRESS_HOME_DEPENDENT_LOCALITY,
+                         base::UTF8ToUTF16(address_data.dependent_locality));
+    }
+
+    return profile;
+  }
+
+  AddressNormalizationRequester* requester_;
+  AutofillProfile profile_;
+  std::string region_code_;
+  autofill::AddressValidator* address_validator_;

[please use gerrit instead, 2017/02/14 21:31:08]

Please use the same the order for member variables and constructor parameters.

[sebsg, 2017/02/15 16:18:30]

Done.

+
+  DISALLOW_COPY_AND_ASSIGN(AddressNormalizationRequest);
+};
+
+}  // namespace
+
+AddressValidatorHelper::AddressValidatorHelper(std::unique_ptr<Source> source,
+                                               std::unique_ptr<Storage> storage)
+    : address_validator_(std::move(source), std::move(storage), this) {}
+
+AddressValidatorHelper::~AddressValidatorHelper() {}
+
+void AddressValidatorHelper::LoadRulesForRegion(
+    const std::string& region_code) {
+  address_validator_.LoadRules(region_code);
+}
+
+bool AddressValidatorHelper::AreRulesLoadedForRegion(
+    const std::string& region_code) {
+  return address_validator_.AreRulesLoadedForRegion(region_code);
+}
+
+bool AddressValidatorHelper::StartAddressNormalization(
+    AutofillProfile profile,
+    const std::string region_code,
+    AddressNormalizationRequester* requester) {
+  std::unique_ptr<AddressNormalizationRequest> request(
+      new AddressNormalizationRequest(profile, region_code, requester,
+                                      &address_validator_));
+
+  // Check if the rules are already loaded.
+  if (AreRulesLoadedForRegion(region_code)) {
+    request->OnRulesSuccessfullyLoaded();
+    return false;
+  } else {
+    // Setup the variables so the profile gets normalized when the rules have
+    // finished loading.
+    auto it = pending_normalization_.find(region_code);
+    if (it == pending_normalization_.end()) {
+      // If no entry exists yet, create the entry and assign it to |it|.
+      it = pending_normalization_
+               .insert(std::make_pair(
+                   region_code,
+                   std::vector<std::unique_ptr<NormalizationRequest>>()))
+               .first;
+    }
+
+    it->second.push_back(std::move(request));
+
+    return true;
+  }
+}
+
+void AddressValidatorHelper::OnAddressValidationRulesLoaded(
+    const std::string& region_code,
+    bool success) {

[please use gerrit instead, 2017/02/14 21:31:08]

Add a note about the reason for ignoring |success| parameter.

[sebsg, 2017/02/15 16:18:30]

I was thinking of using it and adding the onCouldNotNormalize in a future CL but
it makes much more sense to add it here. Thanks!

+  // Check if an address normalization is pending.
+  auto it = pending_normalization_.find(region_code);
+  if (it != pending_normalization_.end()) {
+    for (size_t i = 0; i < it->second.size(); ++i)

[please use gerrit instead, 2017/02/14 21:31:08]

nit {} for the "for" loops.

[sebsg, 2017/02/15 16:18:30]

Done.

+      it->second[i]->OnRulesSuccessfullyLoaded();
+    pending_normalization_.erase(it);
+  }
+}
+
+}  // namespace payments