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 463 matching lines @@
     m_imageComplete = true;
     ImageResource* cachedImage = m_image.get();
     ASSERT(cachedImage);
 
     // Update ImageAnimationPolicy for |cachedImage|.
     if (cachedImage)
         cachedImage->updateImageAnimationPolicy();
 
     updateLayoutObject();
 
-    if (cachedImage && cachedImage->getImage() && cachedImage->getImage()->isSVGImage())
+    if (cachedImage && cachedImage->getImage() && cachedImage->getImage()->isSVGImage()) {
+        toSVGImage(m_image->getImage())->assertSubresourcesLoaded();
         toSVGImage(cachedImage->getImage())->updateUseCounters(element()->document());
+    }
 
     finishInternal(cachedImage);
 
     // Dispatches image's load/error event.
     if (m_hasPendingLoadEvent) {
         m_hasPendingLoadEvent = false;
 
         if (cachedImage->errorOccurred()) {
             if (cachedImage->resourceError().isAccessCheck())
                 crossSiteOrCSPViolationOccurred(AtomicString(cachedImage->resourceError().failingURL()));
@@ skipping 115 matching lines @@
         m_loadDelayCounterForMicrotask->documentChanged(m_element->document());
     if (m_loadDelayCounterForFinish)
         m_loadDelayCounterForFinish->documentChanged(m_element->document());
     if (m_loadDelayCounterForError)
         m_loadDelayCounterForError->documentChanged(m_element->document());
     clearFailedLoadURL();
     setImage(0);
 }
 
 } // namespace blink