bindings: Retires ScriptWrappable::init, etc.

Source/modules/serviceworkers/InstallPhaseEvent.cpp

 /*
  * Copyright (C) 2014 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 39 matching lines @@
 {
 }
 
 void InstallPhaseEvent::waitUntil(ScriptState* scriptState, const ScriptValue& value)
 {
     m_observer->waitUntil(scriptState, value);
 }
 
 InstallPhaseEvent::InstallPhaseEvent()
 {
-    ScriptWrappable::init(this);
 }
 
 InstallPhaseEvent::InstallPhaseEvent(const AtomicString& type, const EventInit& initializer, WaitUntilObserver* observer)
     : Event(type, initializer)
     , m_observer(observer)
 {
-    ScriptWrappable::init(this);
 }
 
 const AtomicString& InstallPhaseEvent::interfaceName() const
 {
     return EventNames::InstallPhaseEvent;
 }
 
 void InstallPhaseEvent::trace(Visitor* visitor)
 {
     visitor->trace(m_observer);
     Event::trace(visitor);
 }
 
 } // namespace blink