Make ScriptPromiseResolver RefCountedWillBeRefCountedGarbageCollected.

Source/modules/bluetooth/BluetoothDiscovery.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/bluetooth/BluetoothDiscovery.h"
 
 #include "bindings/core/v8/CallbackPromiseAdapter.h"
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "core/dom/DOMException.h"
 #include "core/dom/ExceptionCode.h"
 #include "modules/bluetooth/BluetoothDevice.h"
 #include "modules/bluetooth/BluetoothError.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebBluetooth.h"
 
 namespace blink {
 
 ScriptPromise BluetoothDiscovery::requestDevice(ScriptState* scriptState)
 {
     WebBluetooth* webbluetooth = Platform::current()->bluetooth();
     if (!webbluetooth)
         return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(NotSupportedError));
 
-    RefPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState);
+    RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState);
     ScriptPromise promise = resolver->promise();
     webbluetooth->requestDevice(new CallbackPromiseAdapter<BluetoothDevice, BluetoothError>(resolver));
     return promise;
 }
 
 } // namespace blink