Threaded data provider: Support main thread data notifications (Blink side)

Source/core/fetch/ResourceFetcher.h

 /*
     Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
     Copyright (C) 2001 Dirk Mueller <mueller@kde.org>
     Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
     Copyright (C) 2009 Torch Mobile Inc. http://www.torchmobile.com/
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library 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 bool canAccessRedirect(Resource*, ResourceRequest&, const ResourceResponse&, ResourceLoaderOptions&) override;
     virtual bool canAccessResource(Resource*, SecurityOrigin*, const KURL&) const override;
     virtual bool isControlledByServiceWorker() const override;
 
 #if !ENABLE(OILPAN)
     virtual void refResourceLoaderHost() override;
     virtual void derefResourceLoaderHost() override;
 #endif
 
     int64_t serviceWorkerID() const;
+    void acceptDataFromThreadedReceiver(unsigned long identifier, const char* data, int dataLength, int encodedDataLength);
 
     enum ResourceLoadStartType {
         ResourceLoadingFromNetwork,
         ResourceLoadingFromCache
     };
     void maybeNotifyInsecureContent(const Resource*) const;
     void requestLoadStarted(Resource*, const FetchRequest&, ResourceLoadStartType);
     static const ResourceLoaderOptions& defaultResourceOptions();
 
     String getCacheIdentifier() const;
@@ skipping 94 matching lines @@
             m_loader->m_allowStaleResources = m_previousState;
     }
 private:
     ResourceFetcher* m_loader;
     bool m_previousState;
 };
 
 } // namespace blink
 
 #endif