Retire ThreadState::registerPreFinalizer<T>()

third_party/WebKit/Source/modules/peerconnection/RTCDataChannel.cpp

 /*
  * Copyright (C) 2012 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:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 74 matching lines @@
     ExecutionContext* context,
     std::unique_ptr<WebRTCDataChannelHandler> handler)
     : ActiveScriptWrappable(this),
       SuspendableObject(context),
       m_handler(std::move(handler)),
       m_readyState(ReadyStateConnecting),
       m_binaryType(BinaryTypeArrayBuffer),
       m_scheduledEventTimer(this, &RTCDataChannel::scheduledEventTimerFired),
       m_bufferedAmountLowThreshold(0U),
       m_stopped(false) {
-  ThreadState::current()->registerPreFinalizer(this);
   m_handler->setClient(this);
 }
 
 RTCDataChannel::~RTCDataChannel() {}
 
 void RTCDataChannel::dispose() {
   if (m_stopped)
     return;
 
   // Promptly clears a raw reference from content/ to an on-heap object
@@ skipping 266 matching lines @@
   events.clear();
 }
 
 DEFINE_TRACE(RTCDataChannel) {
   visitor->trace(m_scheduledEvents);
   EventTargetWithInlineData::trace(visitor);
   SuspendableObject::trace(visitor);
 }
 
 }  // namespace blink