[ImageLoader 2d] Set DecodeError by calling ResourceLoader::cancel()

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 112 matching lines @@
 
   void addObserver(ImageResourceObserver*);
   void removeObserver(ImageResourceObserver*);
 
   ResourcePriority priorityFromObservers() override;
 
   void allClientsAndObserversRemoved() override;
 
   PassRefPtr<const SharedBuffer> resourceBuffer() const override;
   void appendData(const char*, size_t) override;
-  void error(const ResourceError&) override;
+  void error(const ResourceError&, Status errorStatus) override;
   void responseReceived(const ResourceResponse&,
                         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
@@ skipping 30 matching lines @@
 
   ImageResource(const ResourceRequest&,
                 const ResourceLoaderOptions&,
                 bool isPlaceholder);
 
   bool hasClientsOrObservers() const override {
     return Resource::hasClientsOrObservers() || !m_observers.isEmpty();
   }
   void clear();
 
+  void decodeError();
+
   void createImage();
   void updateImage(bool allDataReceived);
   void updateImageAndClearBuffer();
   void clearImage();
   // If not null, changeRect is the changed part of the image.
   void notifyObservers(bool isNotifyingFinish,
                        const IntRect* changeRect = nullptr);
 
   void ensureImage();
 
@@ skipping 20 matching lines @@
   // Indicates if this ImageResource is either attempting to load a placeholder
   // image, or is a (possibly broken) placeholder image.
   bool m_isPlaceholder;
 };
 
 DEFINE_RESOURCE_TYPE_CASTS(Image);
 
 }  // namespace blink
 
 #endif