Image() constructor's arguments should not have default values

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 124 matching lines @@
 }
 
 void HTMLImageElement::notifyViewportChanged()
 {
     // Re-selecting the source URL in order to pick a more fitting resource
     // And update the image's intrinsic dimensions when the viewport changes.
     // Picking of a better fitting resource is UA dependant, not spec required.
     selectSourceURL(ImageLoader::UpdateSizeChanged);
 }
 
+PassRefPtrWillBeRawPtr<HTMLImageElement> HTMLImageElement::createForJSConstructor(Document& document)
+{
+    RefPtrWillBeRawPtr<HTMLImageElement> image = adoptRefWillBeNoop(new HTMLImageElement(document));
+    image->m_elementCreatedByParser = false;
+    return image.release();
+}
+
+PassRefPtrWillBeRawPtr<HTMLImageElement> HTMLImageElement::createForJSConstructor(Document& document, int width)
+{
+    RefPtrWillBeRawPtr<HTMLImageElement> image = adoptRefWillBeNoop(new HTMLImageElement(document));
+    image->setWidth(width);
+    image->m_elementCreatedByParser = false;
+    return image.release();
+}
+
 PassRefPtrWillBeRawPtr<HTMLImageElement> HTMLImageElement::createForJSConstructor(Document& document, int width, int height)
 {
     RefPtrWillBeRawPtr<HTMLImageElement> image = adoptRefWillBeNoop(new HTMLImageElement(document));
-    if (width)
-        image->setWidth(width);
-    if (height)
-        image->setHeight(height);
+    image->setWidth(width);
+    image->setHeight(height);
     image->m_elementCreatedByParser = false;
     return image.release();
 }
 
 bool HTMLImageElement::isPresentationAttribute(const QualifiedName& name) const
 {
     if (name == widthAttr || name == heightAttr || name == borderAttr || name == vspaceAttr || name == hspaceAttr || name == alignAttr || name == valignAttr)
         return true;
     return HTMLElement::isPresentationAttribute(name);
 }
@@ skipping 552 matching lines @@
 }
 
 void HTMLImageElement::setUseFallbackContent()
 {
     m_useFallbackContent = true;
     if (document().inStyleRecalc())
         return;
     ensureUserAgentShadowRoot();
 }
 }