bindings: Retires ScriptWrappable::init, etc.

Source/core/html/track/AudioTrackList.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 "core/html/track/AudioTrackList.h"
 
 namespace blink {
 
 PassRefPtrWillBeRawPtr<AudioTrackList> AudioTrackList::create(HTMLMediaElement& mediaElement)
 {
     return adoptRefWillBeNoop(new AudioTrackList(mediaElement));
 }
 
 AudioTrackList::~AudioTrackList()
 {
 }
 
 AudioTrackList::AudioTrackList(HTMLMediaElement& mediaElement)
     : TrackListBase<AudioTrack>(&mediaElement)
 {
-    ScriptWrappable::init(this);
 }
 
 bool AudioTrackList::hasEnabledTrack() const
 {
     for (unsigned i = 0; i < length(); ++i) {
         if (anonymousIndexedGetter(i)->enabled())
             return true;
     }
 
     return false;
 }
 
 const AtomicString& AudioTrackList::interfaceName() const
 {
     return EventTargetNames::AudioTrackList;
 }
 
 }