Remove Element#attributes.

sky/engine/core/dom/Attr.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2009, 2010, 2012 Apple 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.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 #include "config.h"
 #include "core/dom/Attr.h"
 
-#include "bindings/core/v8/ExceptionState.h"
-#include "bindings/core/v8/ExceptionStatePlaceholder.h"
-#include "core/dom/Document.h"
-#include "core/dom/Element.h"
-#include "core/dom/Text.h"
-#include "core/events/ScopedEventQueue.h"
-#include "core/frame/UseCounter.h"
-#include "wtf/text/AtomicString.h"
-#include "wtf/text/StringBuilder.h"
-
 namespace blink {
 
-Attr::Attr(Element& element, const QualifiedName& name)
-    : Node(&element.document(), Node::CreateOther)
-    , m_element(&element)
-    , m_name(name)
+Attr::Attr(const QualifiedName& name, const AtomicString& value)
+    : m_name(name)
+    , m_value(value)
 {
     ScriptWrappable::init(this);
 }
 
-PassRefPtr<Attr> Attr::create(Element& element, const QualifiedName& name)
+PassRefPtr<Attr> Attr::create(const QualifiedName& name, const AtomicString& value)
 {
-    RefPtr<Attr> attr = adoptRef(new Attr(element, name));
+    RefPtr<Attr> attr = adoptRef(new Attr(name, value));
     return attr.release();
 }
 
 Attr::~Attr()
 {
 }
 
-void Attr::setValue(const AtomicString& value)
-{
-    if (!m_element)
-        return;
-    m_element->setAttribute(m_name, value);
 }
-
-const AtomicString& Attr::value() const
-{
-    if (m_element)
-        return m_element->getAttribute(m_name);
-    return nullAtom;
-}
-
-void Attr::detachFromElement()
-{
-    m_element = nullptr;
-}
-
-void Attr::trace(Visitor* visitor)
-{
-    visitor->trace(m_element);
-    Node::trace(visitor);
-}
-
-}