Adds WebElement::imageContents()

Source/web/WebElement.cpp

 /*
  * Copyright (C) 2009 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 134 matching lines @@
 WebDocument WebElement::document() const
 {
     return WebDocument(constUnwrap<Element>()->document());
 }
 
 WebRect WebElement::boundsInViewportSpace()
 {
     return unwrap<Element>()->boundsInRootViewSpace();
 }
 
+WebImage WebElement::imageContents()
+{
+    if (isNull())
+        return WebImage();
+
+    WebCore::Image* image = unwrap<Element>()->imageContents();
+    if (!image)
+        return WebImage();
+
+    RefPtr<NativeImageSkia> bitmap = image->nativeImageForCurrentFrame();
+    if (!bitmap)
+        return WebImage();
+
+    return bitmap->bitmap();
+}
+
 WebElement::WebElement(const PassRefPtr<Element>& elem)
     : WebNode(elem)
 {
 }
 
 WebElement& WebElement::operator=(const PassRefPtr<Element>& elem)
 {
     m_private = elem;
     return *this;
 }
 
 WebElement::operator PassRefPtr<Element>() const
 {
     return toElement(m_private.get());
 }
 
 } // namespace WebKit