bindings: Retires ScriptWrappable::init, etc.

Source/core/html/track/TextTrack.cpp

 /*
  * Copyright (C) 2011 Google Inc.  All rights reserved.
  * Copyright (C) 2011, 2012, 2013 Apple 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.
@@ skipping 88 matching lines @@
     , m_cues(nullptr)
     , m_regions(nullptr)
     , m_trackList(nullptr)
     , m_mode(disabledKeyword())
     , m_trackType(type)
     , m_readinessState(NotLoaded)
     , m_trackIndex(invalidTrackIndex)
     , m_renderedTrackIndex(invalidTrackIndex)
     , m_hasBeenConfigured(false)
 {
-    ScriptWrappable::init(this);
     setKind(kind);
 }
 
 TextTrack::~TextTrack()
 {
 #if !ENABLE(OILPAN)
     ASSERT(!m_trackList);
 
     if (m_cues) {
         for (size_t i = 0; i < m_cues->length(); ++i)
@@ skipping 321 matching lines @@
 void TextTrack::trace(Visitor* visitor)
 {
     visitor->trace(m_cues);
     visitor->trace(m_regions);
     visitor->trace(m_trackList);
     TrackBase::trace(visitor);
     EventTargetWithInlineData::trace(visitor);
 }
 
 } // namespace blink