Disambiguate LifecycleObserver::contextDestroyed

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

 /*
  * 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 55 matching lines @@
                   int interToneGap,
                   ExceptionState&);
 
   DEFINE_ATTRIBUTE_EVENT_LISTENER(tonechange);
 
   // EventTarget
   const AtomicString& interfaceName() const override;
   ExecutionContext* getExecutionContext() const override;
 
   // ContextLifecycleObserver
-  void contextDestroyed() override;
+  void contextDestroyed(ExecutionContext*) override;
 
   DECLARE_VIRTUAL_TRACE();
 
  private:
   RTCDTMFSender(ExecutionContext*,
                 MediaStreamTrack*,
                 std::unique_ptr<WebRTCDTMFSenderHandler>);
   void dispose();
 
   void scheduleDispatchEvent(Event*);
@@ skipping 10 matching lines @@
 
   bool m_stopped;
 
   Timer<RTCDTMFSender> m_scheduledEventTimer;
   HeapVector<Member<Event>> m_scheduledEvents;
 };
 
 }  // namespace blink
 
 #endif  // RTCDTMFSender_h