Move custom element code to core/dom/custom/

Source/core/dom/DocumentInit.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
@@ skipping 11 matching lines @@
  * 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/DocumentInit.h"
 
 #include "RuntimeEnabledFeatures.h"
-#include "core/dom/CustomElementRegistrationContext.h"
 #include "core/dom/Document.h"
+#include "core/dom/custom/CustomElementRegistrationContext.h"
 #include "core/html/HTMLImportsController.h"
 #include "core/page/Frame.h"
 
 namespace WebCore {
 
 DocumentInit::DocumentInit(const KURL& url, Frame* frame, WeakPtr<Document> contextDocument, HTMLImport* import)
     : m_url(url)
     , m_frame(frame)
     , m_contextDocument(contextDocument)
     , m_import(import)
@@ skipping 83 matching lines @@
     return m_contextDocument;
 }
 
 DocumentInit DocumentInit::fromContext(WeakPtr<Document> contextDocument, const KURL& url)
 {
     return DocumentInit(url, 0, contextDocument, 0);
 }
 
 } // namespace WebCore