[Web Payments] Re-add extra view in the footer.

components/payments/payment_request.h

 // 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.
 
 #ifndef COMPONENTS_PAYMENTS_PAYMENT_REQUEST_H_
 #define COMPONENTS_PAYMENTS_PAYMENT_REQUEST_H_
 
 #include <memory>
 #include <string>
 #include <vector>
@@ skipping 73 matching lines @@
   void set_selected_shipping_profile(autofill::AutofillProfile* profile) {
     selected_shipping_profile_ = profile;
   }
   autofill::AutofillProfile* selected_contact_profile() const {
     return selected_contact_profile_;
   }
   void set_selected_contact_profile(autofill::AutofillProfile* profile) {
     selected_contact_profile_ = profile;
   }
 
-  const std::vector<autofill::CreditCard*>& credit_cards();
+  const std::vector<autofill::CreditCard*>& credit_cards() {
+    return credit_cards_;
+  }
 
   // Returns the currently selected credit card for this PaymentRequest flow.
   // It's not guaranteed to be complete. Returns nullptr if there is no selected
   // card.
   autofill::CreditCard* selected_credit_card() { return selected_credit_card_; }
 
   autofill::PersonalDataManager* personal_data_manager() {
     return delegate_->GetPersonalDataManager();
   }
 
@@ skipping 38 matching lines @@
   std::vector<std::unique_ptr<autofill::CreditCard>> card_cache_;
   std::vector<autofill::CreditCard*> credit_cards_;
   autofill::CreditCard* selected_credit_card_;
 
   DISALLOW_COPY_AND_ASSIGN(PaymentRequest);
 };
 
 }  // namespace payments
 
 #endif  // COMPONENTS_PAYMENTS_PAYMENT_REQUEST_H_