Fix XHR's logic to determine whether or not to dispatch upload progress events

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

 /*
  *  Copyright (C) 2003, 2006, 2008 Apple Inc. All rights reserved.
  *  Copyright (C) 2005, 2006 Alexey Proskuryakov <ap@nypop.com>
  *  Copyright (C) 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
  *  version 2 of the License, or (at your option) any later version.
@@ skipping 314 matching lines @@
   // This is an integer specifying the recursion level rather than a boolean
   // because in some cases we have recursive dispatching.
   int m_eventDispatchRecursionLevel;
 
   bool m_async;
   bool m_includeCredentials;
   // Used to skip m_responseDocument creation if it's done previously. We need
   // this separate flag since m_responseDocument can be 0 for some cases.
   bool m_parsedResponse;
   bool m_error;
-  bool m_uploadEventsAllowed;
-  bool m_uploadComplete;
+  bool m_uploadListenerFlag;
+  bool m_uploadCompleteFlag;
   bool m_sameOriginRequest;
   // True iff the ongoing resource loading is using the downloadToFile
   // option.
   bool m_downloadingToFile;
   bool m_responseTextOverflow;
 };
 
 std::ostream& operator<<(std::ostream&, const XMLHttpRequest*);
 
 }  // namespace blink
 
 #endif  // XMLHttpRequest_h