Remove ImageObserver::didDraw()

third_party/WebKit/Source/platform/graphics/ImageObserver.h

 /*
  * Copyright (C) 2004, 2005, 2006 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 24 matching lines @@
 class IntRect;
 
 // Interface for notification about changes to an image, including decoding,
 // drawing, and animating.
 class PLATFORM_EXPORT ImageObserver : public GarbageCollectedMixin {
  protected:
   virtual ~ImageObserver();
 
  public:
   virtual void decodedSizeChangedTo(const Image*, size_t newSize) = 0;
-  virtual void didDraw(const Image*) = 0;
 
   virtual bool shouldPauseAnimation(const Image*) = 0;
   virtual void animationAdvanced(const Image*) = 0;
 
   virtual void changedInRect(const Image*, const IntRect&) = 0;
 
   DEFINE_INLINE_VIRTUAL_TRACE() {}
 };
 
 }  // namespace blink
 
 #endif