Update ResourceResponse::encodedDataLength when response is completed

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

 /*
  * Copyright (C) 2005, 2006, 2011 Apple 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
@@ skipping 92 matching lines @@
                                 int length) override;
   void didReceiveData(WebURLLoader*,
                       const char*,
                       int,
                       int encodedDataLength,
                       int encodedBodyLength) override;
   void didDownloadData(WebURLLoader*, int, int) override;
   void didFinishLoading(WebURLLoader*,
                         double finishTime,
                         int64_t encodedDataLength) override;
-  void didFail(WebURLLoader*, const WebURLError&) override;
+  void didFail(WebURLLoader*,
+               const WebURLError&,
+               int64_t encodedDataLength) override;
 
   void didFinishLoadingFirstPartInMultipart();
   void didFail(const ResourceError&);
 
  private:
   // Assumes ResourceFetcher and Resource are non-null.
   ResourceLoader(ResourceFetcher*, Resource*);
 
   void cancelForRedirectAccessCheckError(const KURL&);
   void requestSynchronously(const ResourceRequest&);
 
   std::unique_ptr<WebURLLoader> m_loader;
   Member<ResourceFetcher> m_fetcher;
   Member<Resource> m_resource;
   bool m_isCacheAwareLoadingActivated;
 };
 
 }  // namespace blink
 
 #endif