Add totalAmount to PaymentResponse.

third_party/WebKit/Source/modules/payments/PaymentTestHelper.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 PaymentTestHelper_h
 #define PaymentTestHelper_h
 
 #include "modules/payments/PaymentDetails.h"
 #include "modules/payments/PaymentItem.h"
 #include "modules/payments/PaymentMethodData.h"
 #include "modules/payments/ShippingOption.h"
+#include "public/platform/modules/payments/payment_request.mojom-blink.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
 enum PaymentTestDetailToChange {
     PaymentTestDetailNone,
     PaymentTestDetailTotal,
     PaymentTestDetailItem,
     PaymentTestDetailShippingOption
 };
@@ skipping 13 matching lines @@
 };
 
 PaymentItem buildPaymentItemForTest(PaymentTestDataToChange = PaymentTestDataNone, PaymentTestModificationType = PaymentTestOverwriteValue, const String& valueToUse = String());
 
 ShippingOption buildShippingOptionForTest(PaymentTestDataToChange = PaymentTestDataNone, PaymentTestModificationType = PaymentTestOverwriteValue, const String& valueToUse = String());
 
 PaymentDetails buildPaymentDetailsForTest(PaymentTestDetailToChange = PaymentTestDetailNone, PaymentTestDataToChange = PaymentTestDataNone, PaymentTestModificationType = PaymentTestOverwriteValue, const String& valueToUse = String());
 
 HeapVector<PaymentMethodData> buildPaymentMethodDataForTest();
 
+mojom::blink::PaymentResponsePtr buildPaymentResponseForTest();
+
 } // namespace blink
 
 #endif // PaymentTestHelper_h