Disambiguate LifecycleObserver::contextDestroyed

third_party/WebKit/Source/modules/peerconnection/RTCSessionDescriptionRequestImpl.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
@@ skipping 65 matching lines @@
 
 void RTCSessionDescriptionRequestImpl::requestFailed(const String& error) {
   bool shouldFireCallback =
       m_requester ? m_requester->shouldFireDefaultCallbacks() : false;
   if (shouldFireCallback && m_errorCallback)
     m_errorCallback->handleEvent(DOMException::create(OperationError, error));
 
   clear();
 }
 
-void RTCSessionDescriptionRequestImpl::contextDestroyed() {
+void RTCSessionDescriptionRequestImpl::contextDestroyed(ExecutionContext*) {
   clear();
 }
 
 void RTCSessionDescriptionRequestImpl::clear() {
   m_successCallback.clear();
   m_errorCallback.clear();
   m_requester.clear();
 }
 
 DEFINE_TRACE(RTCSessionDescriptionRequestImpl) {
   visitor->trace(m_successCallback);
   visitor->trace(m_errorCallback);
   visitor->trace(m_requester);
   RTCSessionDescriptionRequest::trace(visitor);
   ContextLifecycleObserver::trace(visitor);
 }
 
 }  // namespace blink