bindings: Retires ScriptWrappable::init, etc.

Source/modules/serviceworkers/FetchEvent.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 "FetchEvent.h"
 
 #include "modules/serviceworkers/Request.h"
 #include "modules/serviceworkers/ServiceWorkerGlobalScope.h"
 #include "wtf/RefPtr.h"
@@ skipping 31 matching lines @@
 }
 
 void FetchEvent::setIsReload(bool isReload)
 {
     m_isReload = isReload;
 }
 
 FetchEvent::FetchEvent()
     : m_isReload(false)
 {
-    ScriptWrappable::init(this);
 }
 
 FetchEvent::FetchEvent(RespondWithObserver* observer, Request* request)
     : Event(EventTypeNames::fetch, /*canBubble=*/false, /*cancelable=*/true)
     , m_observer(observer)
     , m_request(request)
     , m_isReload(false)
 {
-    ScriptWrappable::init(this);
 }
 
 void FetchEvent::trace(Visitor* visitor)
 {
     visitor->trace(m_request);
     visitor->trace(m_observer);
     Event::trace(visitor);
 }
 
 } // namespace blink