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

third_party/WebKit/Source/core/fetch/FetchContext.h

 /*
  * Copyright (C) 2013 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 93 matching lines @@
                                       int dataLength,
                                       int encodedDataLength);
   virtual void dispatchDidDownloadData(unsigned long identifier,
                                        int dataLength,
                                        int encodedDataLength);
   virtual void dispatchDidFinishLoading(unsigned long identifier,
                                         double finishTime,
                                         int64_t encodedDataLength);
   virtual void dispatchDidFail(unsigned long identifier,
                                const ResourceError&,
-                               bool isInternalRequest);
+                               bool isInternalRequest,
+                               bool isDecodeError);
 
   virtual bool shouldLoadNewResource(Resource::Type) const { return false; }
   // Called when a resource load is first requested, which may not be when the
   // load actually begins.
   virtual void willStartLoadingResource(unsigned long identifier,
                                         ResourceRequest&,
                                         Resource::Type);
   virtual void didLoadResource(Resource*);
 
   virtual void addResourceTiming(const ResourceTimingInfo&);
@@ skipping 41 matching lines @@
 
   virtual WebTaskRunner* loadingTaskRunner() const { return nullptr; }
 
  protected:
   FetchContext() {}
 };
 
 }  // namespace blink
 
 #endif