[Payments] Update some editor titles to reflect missing information

chrome/browser/ui/views/payments/shipping_address_editor_view_controller.cc

 // 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 "chrome/browser/ui/views/payments/shipping_address_editor_view_controller.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 189 matching lines @@
     views::Combobox* country_combo_box = static_cast<views::Combobox*>(
         dialog()->GetViewByID(autofill::ADDRESS_HOME_COUNTRY));
     DCHECK(country_combo_box);
     country_combo_box->SetSelectedIndex(chosen_country_index_);
   }
   // Ignore temporary profile once the editor view has been updated.
   temporary_profile_.reset(nullptr);
 }
 
 base::string16 ShippingAddressEditorViewController::GetSheetTitle() {
-  return l10n_util::GetStringUTF16(
-      IDS_PAYMENT_REQUEST_ADDRESS_EDITOR_ADD_TITLE);
+  // TODO(crbug.com/712074): Editor title should reflect the missing information
+  // in the case that one or more fields are missing.
+  return profile_to_edit_ ? l10n_util::GetStringUTF16(IDS_PAYMENTS_EDIT_ADDRESS)
+                          : l10n_util::GetStringUTF16(IDS_PAYMENTS_ADD_ADDRESS);
 }
 
 void ShippingAddressEditorViewController::UpdateEditorFields() {
   editor_fields_.clear();
   std::string chosen_country_code;
   if (chosen_country_index_ < country_codes_.size())
     chosen_country_code = country_codes_[chosen_country_index_];
 
   std::unique_ptr<base::ListValue> components(new base::ListValue);
   std::string unused;
@@ skipping 182 matching lines @@
   bool is_required_valid = !field_.required;
   const base::string16 displayed_message =
       is_required_valid ? base::ASCIIToUTF16("")
                         : l10n_util::GetStringUTF16(
                               IDS_PAYMENTS_FIELD_REQUIRED_VALIDATION_MESSAGE);
   controller_->DisplayErrorMessageForField(field_, displayed_message);
   return is_required_valid;
 }
 
 }  // namespace payments