Revert of SVGImage: check requestCount() to check all subresources are loaded

third_party/WebKit/Source/core/loader/ImageLoader.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2009, 2010 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 469 matching lines @@
     ASSERT(resource == m_image.get());
 
     m_imageComplete = true;
 
     // Update ImageAnimationPolicy for m_image.
     if (m_image)
         m_image->updateImageAnimationPolicy();
 
     updateLayoutObject();
 
-    if (m_image && m_image->image() && m_image->image()->isSVGImage()) {
-        toSVGImage(m_image->image())->assertSubresourcesLoaded();
+    if (m_image && m_image->image() && m_image->image()->isSVGImage())
         toSVGImage(m_image->image())->updateUseCounters(element()->document());
-    }
 
     if (!m_hasPendingLoadEvent)
         return;
 
     if (resource->errorOccurred()) {
         loadEventSender().cancelEvent(this);
         m_hasPendingLoadEvent = false;
 
         if (resource->resourceError().isAccessCheck())
             crossSiteOrCSPViolationOccurred(AtomicString(resource->resourceError().failingURL()));
@@ skipping 175 matching lines @@
 
 void ImageLoader::sourceImageChanged()
 {
     for (auto& client : m_clients) {
         ImageLoaderClient* handle = client;
         handle->notifyImageSourceChanged();
     }
 }
 
 } // namespace blink