Clean up ResourceLoader finish more, remove ConnectionState enum

third_party/WebKit/Source/core/fetch/ImageResource.cpp

 /*
     Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
     Copyright (C) 2001 Dirk Mueller (mueller@kde.org)
     Copyright (C) 2002 Waldo Bastian (bastian@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
@@ skipping 520 matching lines @@
     }
     updateImageAndClearBuffer();
 
     if (m_multipartParsingState == MultipartParsingState::ParsingFirstPart) {
         m_multipartParsingState = MultipartParsingState::FinishedParsingFirstPart;
         // Notify finished when the first part ends.
         if (!errorOccurred())
             setStatus(Cached);
         checkNotify();
         if (m_loader)
-            m_loader->didFinishLoadingOnePart(0, WebURLLoaderClient::kUnknownEncodedDataLength);
+            m_loader->didFinishLoadingFirstPartInMultipart();
     }
 }
 
 void ImageResource::multipartDataReceived(const char* bytes, size_t size)
 {
     ASSERT(m_multipartParser);
     Resource::appendData(bytes, size);
 }
 
 bool ImageResource::isAccessAllowed(SecurityOrigin* securityOrigin)
 {
     if (response().wasFetchedViaServiceWorker())
         return response().serviceWorkerResponseType() != WebServiceWorkerResponseTypeOpaque;
     if (!getImage()->currentFrameHasSingleSecurityOrigin())
         return false;
     if (passesAccessControlCheck(securityOrigin))
         return true;
     return !securityOrigin->taintsCanvas(response().url());
 }
 
 } // namespace blink