Revert of Load data URI images in an async way according to spec

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 410 matching lines @@
 
 bool ImageLoader::shouldLoadImmediately(const KURL& url) const
 {
     // We force any image loads which might require alt content through the asynchronous path so that we can add the shadow DOM
     // for the alt-text content when style recalc is over and DOM mutation is allowed again.
     if (!url.isNull()) {
         Resource* resource = memoryCache()->resourceForURL(url, m_element->document().fetcher()->getCacheIdentifier());
         if (resource && !resource->errorOccurred())
             return true;
     }
-    return (isHTMLObjectElement(m_element) || isHTMLEmbedElement(m_element));
+    return (isHTMLObjectElement(m_element) || isHTMLEmbedElement(m_element) || url.protocolIsData());
 }
 
 void ImageLoader::imageNotifyFinished(ImageResource* resource)
 {
     WTF_LOG(ResourceLoading, "ImageLoader::imageNotifyFinished %p; m_hasPendingLoadEvent=%d",
         this, m_hasPendingLoadEvent);
 
     ASSERT(m_failedLoadURL.isEmpty());
     ASSERT(resource == m_image.get());
 
@@ skipping 162 matching lines @@
 
 void ImageLoader::elementDidMoveToNewDocument()
 {
     if (m_loadDelayCounter)
         m_loadDelayCounter->documentChanged(m_element->document());
     clearFailedLoadURL();
     setImage(0);
 }
 
 } // namespace blink