Fix distorted image issue when open some images in a new browser window.

Source/core/html/ImageDocument.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2010 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 112 matching lines @@
 {
     if (!length)
         return;
 
     Frame* frame = document()->frame();
     Settings* settings = frame->settings();
     if (!frame->loader().client()->allowImage(!settings || settings->imagesEnabled(), document()->url()))
         return;
 
     document()->cachedImage()->appendData(data, length);
+    // Make sure the image renderer gets created because we need the renderer
+    // to read the aspect ratio. See crbug.com/320244
+    document()->updateStyleIfNeeded();
     document()->imageUpdated();
 }
 
 void ImageDocumentParser::finish()
 {
     if (!isStopped() && document()->imageElement()) {
         ImageResource* cachedImage = document()->cachedImage();
         cachedImage->finish();
         cachedImage->setResponse(document()->frame()->loader().documentLoader()->response());
 
@@ skipping 239 matching lines @@
 }
 
 bool ImageEventListener::operator==(const EventListener& listener)
 {
     if (const ImageEventListener* imageEventListener = ImageEventListener::cast(&listener))
         return m_doc == imageEventListener->m_doc;
     return false;
 }
 
 }