Move multipart resource handling to core/fetch (2/2)

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 275 matching lines @@
 {
     if (!m_image)
         return;
 
     // If our Image has an observer, it's always us so we need to clear the back pointer
     // before dropping our reference.
     m_image->setImageObserver(nullptr);
     m_image.clear();
 }
 
-void ImageResource::appendData(const char* data, size_t length)
+void ImageResource::appendDataInternal(const char* data, size_t length)
 {
-    Resource::appendData(data, length);
+    Resource::appendDataInternal(data, length);
     if (!loadingMultipartContent())
         updateImage(false);
 }
 
 void ImageResource::updateImage(bool allDataReceived)
 {
     TRACE_EVENT0("blink", "ImageResource::updateImage");
 
     if (m_data)
         createImage();
@@ skipping 36 matching lines @@
 
 void ImageResource::error(Resource::Status status)
 {
     clear();
     Resource::error(status);
     notifyObservers();
 }
 
 void ImageResource::responseReceived(const ResourceResponse& response, PassOwnPtr<WebDataConsumerHandle> handle)
 {
-    if (loadingMultipartContent() && m_data)
+    ASSERT(!handle);
+    if (response.isMultipartPayload() && m_data)
         finishOnePart();
     Resource::responseReceived(response, handle);
     if (RuntimeEnabledFeatures::clientHintsEnabled()) {
         m_devicePixelRatioHeaderValue = m_response.httpHeaderField(HTTPNames::Content_DPR).toFloat(&m_hasDevicePixelRatioHeaderValue);
         if (!m_hasDevicePixelRatioHeaderValue || m_devicePixelRatioHeaderValue <= 0.0) {
             m_devicePixelRatioHeaderValue = 1.0;
             m_hasDevicePixelRatioHeaderValue = false;
         }
 
     }
@@ skipping 94 matching lines @@
         return response().serviceWorkerResponseType() != WebServiceWorkerResponseTypeOpaque;
     if (!image()->currentFrameHasSingleSecurityOrigin())
         return false;
     if (passesAccessControlCheck(securityOrigin))
         return true;
     return !securityOrigin->taintsCanvas(response().url());
 }
 
 bool ImageResource::loadingMultipartContent() const
 {
-    return m_loader && m_loader->loadingMultipartContent();
+    return m_loader && isMultipartImage();
 }
 
 } // namespace blink