When a new Payments address is created from the editor, use it as the chosen address

components/payments/content/payment_request_state.cc

 // Copyright 2016 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/content/payment_request_state.h"
 
 #include <algorithm>
 #include <set>
 #include <utility>
 
@@ skipping 87 matching lines @@
   std::unique_ptr<PaymentInstrument> instrument =
       base::MakeUnique<AutofillPaymentInstrument>(
           basic_card_network, card, shipping_profiles_, app_locale_,
           payment_request_delegate_);
   available_instruments_.push_back(std::move(instrument));
 
   if (selected)
     SetSelectedInstrument(available_instruments_.back().get());
 }
 
+void PaymentRequestState::AddAutofillShippingProfile(
+    bool selected,
+    const autofill::AutofillProfile& profile) {
+  profile_cache_.push_back(
+      base::MakeUnique<autofill::AutofillProfile>(profile));
+  // TODO(tmartino): Implement deduplication rules specific to shipping
+  // profiles.
+  autofill::AutofillProfile* new_cached_profile = profile_cache_.back().get();
+  shipping_profiles_.push_back(new_cached_profile);
+
+  if (selected)
+    SetSelectedShippingProfile(new_cached_profile);
+}
+
 void PaymentRequestState::SetSelectedShippingOption(
     const std::string& shipping_option_id) {
   spec_->StartWaitingForUpdateWith(
       PaymentRequestSpec::UpdateReason::SHIPPING_OPTION);
   // This will inform the merchant and will lead to them calling updateWith with
   // new PaymentDetails.
   delegate_->OnShippingOptionIdSelected(shipping_option_id);
 }
 
 void PaymentRequestState::SetSelectedShippingProfile(
@@ skipping 112 matching lines @@
 bool PaymentRequestState::ArePaymentOptionsSatisfied() {
   // TODO(mathp): Have a measure of shipping address completeness.
   if (spec_->request_shipping() && selected_shipping_profile_ == nullptr)
     return false;
 
   profile_util::PaymentsProfileComparator comparator(app_locale_, *spec_);
   return comparator.IsContactInfoComplete(selected_contact_profile_);
 }
 
 }  // namespace payments