Backporting JSONValues from protocol::Values

third_party/WebKit/Source/modules/payments/PaymentRequest.cpp

 // 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.
 
 #include "modules/payments/PaymentRequest.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/JSONValuesForV8.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/ScriptState.h"
@@ skipping 310 matching lines @@
         for (const auto& method : pmd.supportedMethods()) {
             if (uniqueMethods.contains(method)) {
                 exceptionState.throwTypeError("Duplicate payment method identifiers are not allowed");
                 return;
             }
             uniqueMethods.add(method);
         }
 
         String stringifiedData = "";
         if (pmd.hasData() && !pmd.data().isEmpty()) {
-            RefPtr<JSONValue> value = toJSONValue(pmd.data().context(), pmd.data().v8Value());
+            std::unique_ptr<JSONValue> value = toJSONValue(pmd.data().context(), pmd.data().v8Value());
             if (!value) {
                 exceptionState.throwTypeError("Unable to parse payment method specific data");
                 return;
             }
             if (!value->isNull()) {
                 if (value->getType() != JSONValue::TypeObject) {
                     exceptionState.throwTypeError("Data should be a JSON-serializable object");
                     return;
                 }
-                stringifiedData = JSONObject::cast(value)->toJSONString();
+                stringifiedData = JSONObject::cast(value.get())->toJSONString();
             }
         }
         methodData->append(PaymentRequest::MethodData(pmd.supportedMethods(), stringifiedData));
     }
 }
 
 String getSelectedShippingOption(const PaymentDetails& details)
 {
     String result;
     if (!details.hasShippingOptions())
@@ skipping 343 matching lines @@
 {
     m_completeResolver.clear();
     m_showResolver.clear();
     m_abortResolver.clear();
     if (m_clientBinding.is_bound())
         m_clientBinding.Close();
     m_paymentProvider.reset();
 }
 
 } // namespace blink