[Streams] Pass WebDataConsumerHandle when the response arrives.

Source/core/html/imports/HTMLImportLoader.cpp

 /*
  * Copyright (C) 2013 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 62 matching lines @@
         m_document.clear();
     }
 }
 #endif
 
 void HTMLImportLoader::startLoading(const ResourcePtr<RawResource>& resource)
 {
     setResource(resource);
 }
 
-void HTMLImportLoader::responseReceived(Resource* resource, const ResourceResponse& response)
+void HTMLImportLoader::responseReceived(Resource* resource, const ResourceResponse& response, PassOwnPtr<WebDataConsumerHandle> handle)
 {
+    ASSERT_UNUSED(handle, !handle);
     // Resource may already have been loaded with the import loader
     // being added as a client later & now being notified. Fail early.
     if (resource->loadFailedOrCanceled() || response.httpStatusCode() >= 400) {
         setState(StateError);
         return;
     }
     setState(startWritingAndParsing(response));
 }
 
 void HTMLImportLoader::dataReceived(Resource*, const char* data, unsigned length)
@@ skipping 135 matching lines @@
 #if ENABLE(OILPAN)
     visitor->trace(m_imports);
 #endif
     visitor->trace(m_document);
     visitor->trace(m_writer);
     visitor->trace(m_microtaskQueue);
     DocumentParserClient::trace(visitor);
 }
 
 } // namespace blink