[Web Payments] Refactor sheet display to allow updating view content

chrome/browser/ui/views/payments/credit_card_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/credit_card_editor_view_controller.h"
 
 #include <memory>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 124 matching lines @@
         base::UTF8ToUTF16(supported_network));
     card_icon_view->SetImageSize(kCardIconSize);
 
     icons_row->AddChildView(card_icon_view.release());
   }
   view->AddChildView(icons_row.release());
 
   return view;
 }
 
-int CreditCardEditorViewController::GetViewHeaderTitleId() const {
-  return IDS_PAYMENT_REQUEST_CREDIT_CARD_EDITOR_ADD_TITLE;
-}
-
 std::vector<EditorField> CreditCardEditorViewController::GetFieldDefinitions() {
   return std::vector<EditorField>{
       {autofill::CREDIT_CARD_NUMBER,
        l10n_util::GetStringUTF16(IDS_AUTOFILL_FIELD_LABEL_CREDIT_CARD_NUMBER),
        EditorField::LengthHint::HINT_LONG, /* required= */ true},
       {autofill::CREDIT_CARD_NAME_FULL,
        l10n_util::GetStringUTF16(IDS_AUTOFILL_FIELD_LABEL_NAME_ON_CARD),
        EditorField::LengthHint::HINT_LONG, /* required= */ true},
       {autofill::CREDIT_CARD_EXP_MONTH,
        l10n_util::GetStringUTF16(IDS_AUTOFILL_FIELD_LABEL_EXPIRATION_MONTH),
@@ skipping 66 matching lines @@
     case autofill::CREDIT_CARD_EXP_4_DIGIT_YEAR:
       return std::unique_ptr<ui::ComboboxModel>(
           new ui::SimpleComboboxModel(GetExpirationYearItems()));
     default:
       NOTREACHED();
       break;
   }
   return std::unique_ptr<ui::ComboboxModel>();
 }
 
+base::string16 CreditCardEditorViewController::GetSheetTitle() {
+  return l10n_util::GetStringUTF16(
+      IDS_PAYMENT_REQUEST_CREDIT_CARD_EDITOR_ADD_TITLE);
+}
+
 CreditCardEditorViewController::CreditCardValidationDelegate::
     CreditCardValidationDelegate(
         const EditorField& field,
         EditorViewController* controller,
         const std::vector<std::string>& supported_card_networks)
     : field_(field),
       controller_(controller),
       supported_card_networks_(supported_card_networks.begin(),
                                supported_card_networks.end()) {}
 CreditCardEditorViewController::CreditCardValidationDelegate::
@@ skipping 25 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