[Streams] Pass WebDataConsumerHandle when the response arrives.

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 140 matching lines @@
     virtual void trace(Visitor*) override;
 
 private:
     class BlobLoader;
     XMLHttpRequest(ExecutionContext*, PassRefPtr<SecurityOrigin>);
 
     Document* document() const;
     SecurityOrigin* securityOrigin() const;
 
     virtual void didSendData(unsigned long long bytesSent, unsigned long long totalBytesToBeSent) override;
-    virtual void didReceiveResponse(unsigned long identifier, const ResourceResponse&) override;
+    virtual void didReceiveResponse(unsigned long identifier, const ResourceResponse&, PassOwnPtr<WebDataConsumerHandle>) override;
     virtual void didReceiveData(const char* data, unsigned dataLength) override;
     // When responseType is set to "blob", didDownloadData() is called instead
     // of didReceiveData().
     virtual void didDownloadData(int dataLength) override;
     virtual void didFinishLoading(unsigned long identifier, double finishTime) override;
     virtual void didFail(const ResourceError&) override;
     virtual void didFailRedirectCheck() override;
 
     // BlobLoader notifications.
     void didFinishLoadingInternal();
@@ skipping 132 matching lines @@
     bool m_uploadComplete;
     bool m_sameOriginRequest;
     // True iff the ongoing resource loading is using the downloadToFile
     // option.
     bool m_downloadingToFile;
 };
 
 } // namespace blink
 
 #endif // XMLHttpRequest_h