[ImageResource 0a] Do not notify ResourceClient/ImageResourceObserver of finish twice

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 178 matching lines @@
   void createImage();
   void updateImage(bool allDataReceived);
   void updateImageAndClearBuffer();
   void clearImage();
   // If not null, changeRect is the changed part of the image.
   void notifyObservers(const IntRect* changeRect = nullptr);
 
   void ensureImage();
 
   void checkNotify() override;
-  void notifyObserversInternal(MarkFinishedOption);
+  void notifyObserversInternal();
   void markObserverFinished(ImageResourceObserver*);
 
   void doResetAnimation();
 
   void destroyDecodedDataIfPossible() override;
   void destroyDecodedDataForFailedRevalidation() override;
 
   void flushImageIfNeeded(TimerBase*);
 
   float m_devicePixelRatioHeaderValue;
@@ skipping 21 matching lines @@
   // Indicates if this resource's encoded image data can be purged and refetched
   // from disk cache to save memory usage. See crbug/664437.
   bool m_isRefetchableDataFromDiskCache;
 };
 
 DEFINE_RESOURCE_TYPE_CASTS(Image);
 
 }  // namespace blink
 
 #endif