Use TreeScope::completeURL and baseURL instead of the Document versions

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 300 matching lines @@
     return !equalIgnoringCase(getAttribute(draggableAttr), "false");
 }
 
 void HTMLImageElement::setHeight(int value)
 {
     setIntegralAttribute(heightAttr, value);
 }
 
 KURL HTMLImageElement::src() const
 {
-    return document().completeURL(getAttribute(srcAttr));
+    return treeScope().completeURL(getAttribute(srcAttr));
 }
 
 void HTMLImageElement::setSrc(const String& value)
 {
     setAttribute(srcAttr, AtomicString(value));
 }
 
 void HTMLImageElement::setWidth(int value)
 {
     setIntegralAttribute(widthAttr, value);
@@ skipping 36 matching lines @@
 {
     if (!fastHasAttribute(ismapAttr))
         return false;
 
     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();
+    return treeScope().completeURL(stripLeadingAndTrailingHTMLSpaces(usemap)).isEmpty();
 }
 
 Image* HTMLImageElement::imageContents()
 {
     if (!m_imageLoader.imageComplete())
         return 0;
 
     return m_imageLoader.image()->image();
 }
 
 bool HTMLImageElement::isInteractiveContent() const
 {
     return fastHasAttribute(usemapAttr);
 }
 
 }