remove memoryinstrumentation

Source/core/platform/graphics/GeneratorGeneratedImage.h

 /*
  * Copyright (C) 2008, 2012 Apple Computer, 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 32 matching lines @@
     static PassRefPtr<GeneratorGeneratedImage> create(PassRefPtr<Generator> generator, const IntSize& size)
     {
         return adoptRef(new GeneratorGeneratedImage(generator, size));
     }
 
     virtual ~GeneratorGeneratedImage()
     {
         m_cacheTimer.stop();
     }
 
-    virtual void reportMemoryUsage(MemoryObjectInfo*) const OVERRIDE;
-
 protected:
     virtual void draw(GraphicsContext*, const FloatRect& dstRect, const FloatRect& srcRect, ColorSpace styleColorSpace, CompositeOperator, BlendMode);
     virtual void drawPattern(GraphicsContext*, const FloatRect& srcRect, const AffineTransform& patternTransform,
         const FloatPoint& phase, ColorSpace styleColorSpace, CompositeOperator, const FloatRect& destRect, BlendMode);
 
     void invalidateCacheTimerFired(DeferrableOneShotTimer<GeneratorGeneratedImage>*);
 
     GeneratorGeneratedImage(PassRefPtr<Generator> generator, const IntSize& size)
         : m_generator(generator)
         , m_cacheTimer(this, &GeneratorGeneratedImage::invalidateCacheTimerFired, generatedImageCacheClearDelay)
     {
         m_size = size;
     }
 
     RefPtr<Generator> m_generator;
 
     OwnPtr<ImageBuffer> m_cachedImageBuffer;
     DeferrableOneShotTimer<GeneratorGeneratedImage> m_cacheTimer;
     IntSize m_cachedAdjustedSize;
     unsigned m_cachedGeneratorHash;
 };
 
 }
 
 #endif