Make ScriptPromiseResolver RefCountedWillBeRefCountedGarbageCollected.

Source/modules/presentation/Presentation.cpp

 // Copyright 2014 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 "modules/presentation/Presentation.h"
 
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/ScriptState.h"
@@ skipping 34 matching lines @@
     EventTargetWithInlineData::trace(visitor);
 }
 
 PresentationSession* Presentation::session() const
 {
     return m_session.get();
 }
 
 ScriptPromise Presentation::startSession(ScriptState* state, const String& senderId, const String& presentationId)
 {
-    RefPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(state);
+    RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(state);
     ScriptPromise promise = resolver->promise();
     resolver->reject(DOMException::create(NotSupportedError, "The method is not supported yet."));
     return promise;
 }
 
 ScriptPromise Presentation::joinSession(ScriptState* state, const String& senderId, const String& presentationId)
 {
-    RefPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(state);
+    RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(state);
     ScriptPromise promise = resolver->promise();
     resolver->reject(DOMException::create(NotSupportedError, "The method is not supported yet."));
     return promise;
 }
 
 } // namespace blink