Disambiguate LifecycleObserver::contextDestroyed

third_party/WebKit/Source/core/fileapi/FileReader.cpp

 /*
  * Copyright (C) 2010 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 188 matching lines @@
       m_lastProgressNotificationTimeMS(0) {}
 
 FileReader::~FileReader() {
   terminate();
 }
 
 const AtomicString& FileReader::interfaceName() const {
   return EventTargetNames::FileReader;
 }
 
-void FileReader::contextDestroyed() {
+void FileReader::contextDestroyed(ExecutionContext* destroyedContext) {
   // The delayed abort task tidies up and advances to the DONE state.
   if (m_loadingState == LoadingStateAborted)
     return;
 
-  if (hasPendingActivity())
+  if (hasPendingActivity()) {
     ThrottlingController::finishReader(
-        getExecutionContext(), this,
-        ThrottlingController::removeReader(getExecutionContext(), this));
+        destroyedContext, this,
+        ThrottlingController::removeReader(destroyedContext, this));
+  }
   terminate();
 }
 
 bool FileReader::hasPendingActivity() const {
   return m_state == kLoading || m_stillFiringEvents;
 }
 
 void FileReader::readAsArrayBuffer(Blob* blob, ExceptionState& exceptionState) {
   ASSERT(blob);
   DVLOG(1) << "reading as array buffer: " << utf8BlobUUID(blob).data() << " "
@@ skipping 239 matching lines @@
         ProgressEvent::create(type, false, m_loader->bytesLoaded(), 0));
 }
 
 DEFINE_TRACE(FileReader) {
   visitor->trace(m_error);
   EventTargetWithInlineData::trace(visitor);
   ContextLifecycleObserver::trace(visitor);
 }
 
 }  // namespace blink