Remove ImageObserver::didDraw()

third_party/WebKit/Source/core/fetch/ImageResource.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 117 matching lines @@
                         std::unique_ptr<WebDataConsumerHandle>) override;
   void finish(double finishTime = 0.0) override;
 
   // For compatibility, images keep loading even if there are HTTP errors.
   bool shouldIgnoreHTTPStatusCodeErrors() const override { return true; }
 
   bool isImage() const override { return true; }
 
   // ImageObserver
   void decodedSizeChangedTo(const blink::Image*, size_t newSize) override;
-  void didDraw(const blink::Image*) override;
 
   bool shouldPauseAnimation(const blink::Image*) override;
   void animationAdvanced(const blink::Image*) override;
   void changedInRect(const blink::Image*, const IntRect&) override;
 
   // MultipartImageResourceParser::Client
   void onePartInMultipartReceived(const ResourceResponse&) final;
   void multipartDataReceived(const char*, size_t) final;
 
   DECLARE_VIRTUAL_TRACE();
@@ skipping 56 matching lines @@
   // Indicates if the ImageResource is currently scheduling a reload, e.g.
   // because reloadIfLoFi() was called.
   bool m_isSchedulingReload;
 };
 
 DEFINE_RESOURCE_TYPE_CASTS(Image);
 
 }  // namespace blink
 
 #endif