Adds WebElement::imageContents()

Source/core/html/HTMLImageElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google 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 339 matching lines @@
 
     const AtomicString& usemap = fastGetAttribute(usemapAttr);
 
     // If the usemap attribute starts with '#', it refers to a map element in the document.
     if (usemap.string()[0] == '#')
         return false;
 
     return document()->completeURL(stripLeadingAndTrailingHTMLSpaces(usemap)).isEmpty();
 }
 
+Image* HTMLImageElement::imageContents()
+{
+    if (!m_imageLoader.imageComplete())
+        return 0;
+
+    return m_imageLoader.image()->image();
 }
+
+}