Disambiguate LifecycleObserver::contextDestroyed

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

 /*
  * Copyright (C) 2013 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 138 matching lines @@
 }
 
 const AtomicString& RTCDTMFSender::interfaceName() const {
   return EventTargetNames::RTCDTMFSender;
 }
 
 ExecutionContext* RTCDTMFSender::getExecutionContext() const {
   return ContextLifecycleObserver::getExecutionContext();
 }
 
-void RTCDTMFSender::contextDestroyed() {
+void RTCDTMFSender::contextDestroyed(ExecutionContext*) {
   m_stopped = true;
   m_handler->setClient(nullptr);
 }
 
 void RTCDTMFSender::scheduleDispatchEvent(Event* event) {
   m_scheduledEvents.push_back(event);
 
   if (!m_scheduledEventTimer.isActive())
     m_scheduledEventTimer.startOneShot(0, BLINK_FROM_HERE);
 }
@@ skipping 11 matching lines @@
 }
 
 DEFINE_TRACE(RTCDTMFSender) {
   visitor->trace(m_track);
   visitor->trace(m_scheduledEvents);
   EventTargetWithInlineData::trace(visitor);
   ContextLifecycleObserver::trace(visitor);
 }
 
 }  // namespace blink