Simplify Node.prototype.baseURI to match the DOM spec

third_party/WebKit/Source/core/dom/Node.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 1043 matching lines @@
 }
 
 // FIXME: End of obviously misplaced HTML editing functions.  Try to move these out of Node.
 
 Document* Node::ownerDocument() const
 {
     Document* doc = &document();
     return doc == this ? nullptr : doc;
 }
 
-KURL Node::baseURI() const
+const KURL& Node::baseURI() const
 {
-    return parentNode() ? parentNode()->baseURI() : KURL();
+    return document().baseURL();
 }
 
 bool Node::isEqualNode(Node* other) const
 {
     if (!other)
         return false;
 
     NodeType nodeType = this->nodeType();
     if (nodeType != other->nodeType())
         return false;
@@ skipping 1293 matching lines @@
 
 void showNodePath(const blink::Node* node)
 {
     if (node)
         node->showNodePathForThis();
     else
         fprintf(stderr, "Cannot showNodePath for (nil)\n");
 }
 
 #endif