Backporting JSONValues from protocol::Values

third_party/WebKit/Source/modules/nfc/NFC.cpp

 // Copyright 2015 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/nfc/NFC.h"
 
 #include "bindings/core/v8/JSONValuesForV8.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/V8ArrayBuffer.h"
 #include "core/dom/DOMArrayBuffer.h"
@@ skipping 160 matching lines @@
         if (value->IsNumber())
             return mojo::WTFArray<uint8_t>::From(WTF::String::number(value.As<v8::Number>()->Value()));
 
         if (value->IsString()) {
             blink::V8StringResource<> stringResource = value;
             if (stringResource.prepare())
                 return mojo::WTFArray<uint8_t>::From<WTF::String>(stringResource);
         }
 
         if (value->IsObject() && !value->IsArrayBuffer()) {
-            RefPtr<blink::JSONValue> jsonResult = blink::toJSONValue(scriptValue.context(), value);
+            std::unique_ptr<blink::JSONValue> jsonResult = blink::toJSONValue(scriptValue.context(), value);
             if (jsonResult && (jsonResult->getType() == blink::JSONValue::TypeObject))
                 return mojo::WTFArray<uint8_t>::From(jsonResult->toJSONString());
         }
 
         if (value->IsArrayBuffer())
             return mojo::WTFArray<uint8_t>::From(blink::V8ArrayBuffer::toImpl(value.As<v8::Object>()));
 
         return nullptr;
     }
 };
@@ skipping 388 matching lines @@
 }
 
 DEFINE_TRACE(NFC)
 {
     PageVisibilityObserver::trace(visitor);
     ContextLifecycleObserver::trace(visitor);
     visitor->trace(m_requests);
 }
 
 } // namespace blink