Use downloadToFile option when XHR downloads a Blob

Source/core/inspector/InspectorResourceAgent.cpp

 /*
  * Copyright (C) 2011 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 366 matching lines @@
 
     if (data) {
         NetworkResourcesData::ResourceData const* resourceData = m_resourcesData->data(requestId);
         if (resourceData && !m_loadingXHRSynchronously && (!resourceData->cachedResource() || resourceData->cachedResource()->dataBufferingPolicy() == DoNotBufferData || isErrorStatusCode(resourceData->httpStatusCode())))
             m_resourcesData->maybeAddResourceData(requestId, data, dataLength);
     }
 
     m_frontend->dataReceived(requestId, currentTime(), dataLength, encodedDataLength);
 }
 
+void InspectorResourceAgent::didReceiveDataWithoutData(unsigned long identifier, int dataLength, int encodedDataLength)
+{
+    String requestId = IdentifiersFactory::requestId(identifier);
+    m_frontend->dataReceived(requestId, currentTime(), dataLength, encodedDataLength);
+}
+
 void InspectorResourceAgent::didFinishLoading(unsigned long identifier, DocumentLoader* loader, double monotonicFinishTime)
 {
     double finishTime = 0.0;
     // FIXME: Expose all of the timing details to inspector and have it calculate finishTime.
     if (monotonicFinishTime)
         finishTime = loader->timing()->monotonicTimeToPseudoWallTime(monotonicFinishTime);
 
     String requestId = IdentifiersFactory::requestId(identifier);
     m_resourcesData->maybeDecodeDataToContent(requestId);
     if (!finishTime)
@@ skipping 386 matching lines @@
     , m_overlay(overlay)
     , m_frontend(0)
     , m_resourcesData(adoptPtr(new NetworkResourcesData()))
     , m_loadingXHRSynchronously(false)
     , m_isRecalculatingStyle(false)
 {
 }
 
 } // namespace WebCore