Simplify CachedResource::data

Source/WebCore/loader/cache/CachedImage.h

 /*
     Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
     Copyright (C) 2001 Dirk Mueller <mueller@kde.org>
     Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
     Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
 
     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 58 matching lines @@
     // This method takes a zoom multiplier that can be used to increase the natural size of the image by the zoom.
     LayoutSize imageSizeForRenderer(const RenderObject*, float multiplier); // returns the size of the complete image.
     void computeIntrinsicDimensions(Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio);
 
     virtual void didAddClient(CachedResourceClient*);
     virtual void didRemoveClient(CachedResourceClient*);
 
     virtual void allClientsRemoved();
     virtual void destroyDecodedData();
 
-    virtual void data(PassRefPtr<ResourceBuffer> data, bool allDataReceived);
+    virtual void data(PassRefPtr<ResourceBuffer> data) OVERRIDE;
     virtual void error(CachedResource::Status);
     virtual void responseReceived(const ResourceResponse&);
+    virtual void finishOnePart() OVERRIDE;
     
     // For compatibility, images keep loading even if there are HTTP errors.
     virtual bool shouldIgnoreHTTPStatusCodeErrors() const { return true; }
 
     virtual bool isImage() const { return true; }
     virtual bool stillNeedsLoad() const OVERRIDE { return !errorOccurred() && status() == Unknown && !isLoading(); }
 
     // ImageObserver
     virtual void decodedSizeChanged(const Image* image, int delta);
     virtual void didDraw(const Image*);
 
     virtual bool shouldPauseAnimation(const Image*);
     virtual void animationAdvanced(const Image*);
     virtual void changedInRect(const Image*, const IntRect&);
 
     virtual void reportMemoryUsage(MemoryObjectInfo*) const OVERRIDE;
 
 private:
     void clear();
 
     void setCustomAcceptHeader();
     void createImage();
+    void updateImage(bool allDataReceived);
     void clearImage();
     // If not null, changeRect is the changed part of the image.
     void notifyObservers(const IntRect* changeRect = 0);
     virtual PurgePriority purgePriority() const { return PurgeFirst; }
 
     virtual void switchClientsToRevalidatedResource() OVERRIDE;
 
     typedef pair<IntSize, float> SizeAndZoom;
     typedef HashMap<const CachedImageClient*, SizeAndZoom> ContainerSizeRequests;
     ContainerSizeRequests m_pendingContainerSizeRequests;
 
     RefPtr<Image> m_image;
 #if ENABLE(SVG)
     OwnPtr<SVGImageCache> m_svgImageCache;
 #endif
+    bool m_loadingMultipartContent;
 };
 
 }
 
 #endif