[PaymentReqeust] Add error message in PaymentDetails. (in blink side)

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 "bindings/core/v8/ScriptFunction.h"
 #include "bindings/core/v8/V8DOMException.h"
 #include "modules/payments/PaymentDetails.h"
@@ skipping 13 matching lines @@
 class PaymentMethodData;
 class ScriptState;
 class ScriptValue;
 
 enum PaymentTestDetailToChange {
     PaymentTestDetailNone,
     PaymentTestDetailTotal,
     PaymentTestDetailItem,
     PaymentTestDetailShippingOption,
     PaymentTestDetailModifierTotal,
-    PaymentTestDetailModifierItem
+    PaymentTestDetailModifierItem,
+    PaymentTestDetailError
 };
 
 enum PaymentTestDataToChange {
     PaymentTestDataNone,
     PaymentTestDataId,
     PaymentTestDataLabel,
     PaymentTestDataAmount,
     PaymentTestDataCurrencyCode,
     PaymentTestDataValue,
 };
 
 enum PaymentTestModificationType {
     PaymentTestOverwriteValue,
     PaymentTestRemoveKey
 };
 
 PaymentItem buildPaymentItemForTest(PaymentTestDataToChange = PaymentTestDataNone, PaymentTestModificationType = PaymentTestOverwriteValue, const String& valueToUse = String());
 
 PaymentShippingOption buildShippingOptionForTest(PaymentTestDataToChange = PaymentTestDataNone, PaymentTestModificationType = PaymentTestOverwriteValue, const String& valueToUse = String());
 
 PaymentDetailsModifier buildPaymentDetailsModifierForTest(PaymentTestDetailToChange = PaymentTestDetailNone, PaymentTestDataToChange = PaymentTestDataNone, PaymentTestModificationType = PaymentTestOverwriteValue, const String& valueToUse = String());
 
 PaymentDetails buildPaymentDetailsForTest(PaymentTestDetailToChange = PaymentTestDetailNone, PaymentTestDataToChange = PaymentTestDataNone, PaymentTestModificationType = PaymentTestOverwriteValue, const String& valueToUse = String());
 
+PaymentDetails buildPaymentDetailsErrorMsgForTest(const String& valueToUse = String());
+
 HeapVector<PaymentMethodData> buildPaymentMethodDataForTest();
 
 mojom::blink::PaymentResponsePtr buildPaymentResponseForTest();
 
 void makePaymentRequestOriginSecure(Document&);
 
 class PaymentRequestMockFunctionScope {
     STACK_ALLOCATED();
 public:
     explicit PaymentRequestMockFunctionScope(ScriptState*);
@@ skipping 13 matching lines @@
         String* m_value;
     };
 
     ScriptState* m_scriptState;
     Vector<Persistent<MockFunction>> m_mockFunctions;
 };
 
 } // namespace blink
 
 #endif // PaymentTestHelper_h