Return null when no promise/reason is given in PromiseRejectionEvent

Source/core/events/PromiseRejectionEvent.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 "config.h"
 #include "core/events/PromiseRejectionEvent.h"
 
 namespace blink {
 
@@ skipping 11 matching lines @@
     if (initializer.hasReason()) {
         m_reason.set(initializer.reason().isolate(), initializer.reason().v8Value());
         m_reason.setWeak(this, &PromiseRejectionEvent::didCollectReason);
     }
 }
 
 PromiseRejectionEvent::~PromiseRejectionEvent()
 {
 }
 
-ScriptPromise PromiseRejectionEvent::promise(ScriptState* state) const
+v8::Local<v8::Value> PromiseRejectionEvent::promise(v8::Isolate* isolate) const
 {
-    v8::Local<v8::Value> value = m_promise.newLocal(state->isolate());
-    return ScriptPromise(state, value);
+    return m_promise.newLocal(isolate);
 }
 
-ScriptValue PromiseRejectionEvent::reason(ScriptState* state) const
+v8::Local<v8::Value> PromiseRejectionEvent::reason(v8::Isolate* isolate) const
 {
-    v8::Local<v8::Value> value = m_reason.newLocal(state->isolate());
-    return ScriptValue(state, value);
+    return m_reason.newLocal(isolate);
 }
 
 const AtomicString& PromiseRejectionEvent::interfaceName() const
 {
     return EventNames::PromiseRejectionEvent;
 }
 
 DEFINE_TRACE(PromiseRejectionEvent)
 {
     Event::trace(visitor);
 }
 
 void PromiseRejectionEvent::didCollectPromise(const v8::WeakCallbackInfo<PromiseRejectionEvent>& data)
 {
     data.GetParameter()->m_promise.clear();
 }
 
 void PromiseRejectionEvent::didCollectReason(const v8::WeakCallbackInfo<PromiseRejectionEvent>& data)
 {
     data.GetParameter()->m_reason.clear();
 }
 
 } // namespace blink