[Streams] Pass WebDataConsumerHandle when the response arrives.

Source/core/loader/ThreadableLoaderClient.h

 /*
  * 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 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef ThreadableLoaderClient_h
 #define ThreadableLoaderClient_h
 
 #include "platform/heap/Handle.h"
+#include "public/platform/WebDataConsumerHandle.h"
 #include "wtf/FastAllocBase.h"
 #include "wtf/Noncopyable.h"
+#include "wtf/PassOwnPtr.h"
 
 namespace blink {
 
     class ResourceError;
     class ResourceResponse;
 
     class ThreadableLoaderClient {
         WTF_MAKE_NONCOPYABLE(ThreadableLoaderClient);
         WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
     public:
         virtual void didSendData(unsigned long long /*bytesSent*/, unsigned long long /*totalBytesToBeSent*/) { }
 
-        virtual void didReceiveResponse(unsigned long /*identifier*/, const ResourceResponse&) { }
+        virtual void didReceiveResponse(unsigned long /*identifier*/, const ResourceResponse&, PassOwnPtr<WebDataConsumerHandle>) { }
         virtual void didReceiveData(const char*, unsigned /*dataLength*/) { }
         virtual void didReceiveCachedMetadata(const char*, int /*dataLength*/) { }
         virtual void didFinishLoading(unsigned long /*identifier*/, double /*finishTime*/) { }
         virtual void didFail(const ResourceError&) { }
         virtual void didFailAccessControlCheck(const ResourceError& error) { didFail(error); }
         virtual void didFailRedirectCheck() { }
 
         virtual bool isDocumentThreadableLoaderClient() { return false; }
 
         virtual void didDownloadData(int /*dataLength*/) { }
 
         virtual ~ThreadableLoaderClient() { }
 
     protected:
         ThreadableLoaderClient() { }
     };
 
 } // namespace blink
 
 #endif // ThreadableLoaderClient_h