Disambiguate LifecycleObserver::contextDestroyed

third_party/WebKit/Source/core/xmlhttprequest/XMLHttpRequest.cpp

 /*
  *  Copyright (C) 2004, 2006, 2008 Apple Inc. All rights reserved.
  *  Copyright (C) 2005-2007 Alexey Proskuryakov <ap@webkit.org>
  *  Copyright (C) 2007, 2008 Julien Chaffraix <jchaffraix@webkit.org>
  *  Copyright (C) 2008, 2011 Google Inc. All rights reserved.
  *  Copyright (C) 2012 Intel Corporation
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Lesser General Public
  *  License as published by the Free Software Foundation; either
@@ skipping 1783 matching lines @@
 }
 
 void XMLHttpRequest::suspend() {
   m_progressEventThrottle->suspend();
 }
 
 void XMLHttpRequest::resume() {
   m_progressEventThrottle->resume();
 }
 
-void XMLHttpRequest::contextDestroyed() {
+void XMLHttpRequest::contextDestroyed(ExecutionContext*) {
   InspectorInstrumentation::didFailXHRLoading(getExecutionContext(), this, this,
                                               m_method, m_url);
   m_progressEventThrottle->stop();
   internalAbort();
 }
 
 bool XMLHttpRequest::hasPendingActivity() const {
   // Neither this object nor the JavaScript wrapper should be deleted while
   // a request is in progress because we need to keep the listeners alive,
   // and they are referenced by the JavaScript wrapper.
@@ skipping 32 matching lines @@
   visitor->traceWrappers(m_responseDocument);
   visitor->traceWrappers(m_responseArrayBuffer);
   XMLHttpRequestEventTarget::traceWrappers(visitor);
 }
 
 std::ostream& operator<<(std::ostream& ostream, const XMLHttpRequest* xhr) {
   return ostream << "XMLHttpRequest " << static_cast<const void*>(xhr);
 }
 
 }  // namespace blink