Return null when no promise/reason is given in PromiseRejectionEvent

Source/core/events/PromiseRejectionEvent.h

 // 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.
 
 #ifndef PromiseRejectionEvent_h
 #define PromiseRejectionEvent_h
 
 #include "bindings/core/v8/ScopedPersistent.h"
-#include "bindings/core/v8/ScriptPromise.h"
-#include "bindings/core/v8/ScriptValue.h"
 #include "core/CoreExport.h"
 #include "core/events/Event.h"
 #include "core/events/PromiseRejectionEventInit.h"
 
 namespace blink {
 
 class CORE_EXPORT PromiseRejectionEvent final : public Event {
     DEFINE_WRAPPERTYPEINFO();
 public:
     static PassRefPtrWillBeRawPtr<PromiseRejectionEvent> create()
     {
         return adoptRefWillBeNoop(new PromiseRejectionEvent);
     }
     static PassRefPtrWillBeRawPtr<PromiseRejectionEvent> create(const AtomicString& type, const PromiseRejectionEventInit& initializer)
     {
         return adoptRefWillBeNoop(new PromiseRejectionEvent(type, initializer));
     }
 
-    ScriptValue reason(ScriptState*) const;
-    ScriptPromise promise(ScriptState*) const;
+    v8::Local<v8::Value> reason(v8::Isolate*) const;
+    v8::Local<v8::Value>  promise(v8::Isolate*) const;

[haraken, 2015/06/18 17:52:09]

Can we keep returning ScriptValue and ScriptPromise? We don't want use raw V8
APIs in core/ (and we're reducing them).

 
     virtual const AtomicString& interfaceName() const override;
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     PromiseRejectionEvent();
     PromiseRejectionEvent(const AtomicString& type, ScriptPromise, ScriptValue reason);
     PromiseRejectionEvent(const AtomicString&, const PromiseRejectionEventInit&);
     ~PromiseRejectionEvent() override;
 
     static void didCollectPromise(const v8::WeakCallbackInfo<PromiseRejectionEvent>&);
     static void didCollectReason(const v8::WeakCallbackInfo<PromiseRejectionEvent>&);
 
     ScopedPersistent<v8::Value> m_promise;
     ScopedPersistent<v8::Value> m_reason;
 };
 
 } // namespace blink
 
 #endif // PromiseRejectionEvent_h