All documents should have a RegistrationContext.

sky/engine/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 23 matching lines @@
 #include "sky/engine/core/frame/LocalFrame.h"
 #include "sky/engine/core/html/imports/HTMLImportsController.h"
 
 namespace blink {
 
 DocumentInit::DocumentInit(const KURL& url, LocalFrame* frame, WeakPtr<Document> contextDocument, HTMLImportsController* importsController)
     : m_url(url)
     , m_frame(frame)
     , m_contextDocument(contextDocument)
     , m_importsController(importsController)
-    , m_createNewRegistrationContext(false)
 {
 }
 
 DocumentInit::DocumentInit(const DocumentInit& other)
     : m_url(other.m_url)
     , m_frame(other.m_frame)
     , m_contextDocument(other.m_contextDocument)
     , m_importsController(other.m_importsController)
     , m_registrationContext(other.m_registrationContext)
-    , m_createNewRegistrationContext(other.m_createNewRegistrationContext)
 {
 }
 
 DocumentInit::~DocumentInit()
 {
 }
 
 bool DocumentInit::shouldSetURL() const
 {
     return !m_url.isEmpty();
 }
 
 LocalFrame* DocumentInit::frameForSecurityContext() const
 {
     if (m_frame)
         return m_frame;
     if (m_importsController)
         return m_importsController->master()->frame();
     return 0;
 }
 
 Settings* DocumentInit::settings() const
 {
     ASSERT(frameForSecurityContext());
     return frameForSecurityContext()->settings();
 }
 
-DocumentInit& DocumentInit::withRegistrationContext(CustomElementRegistrationContext* registrationContext)
+DocumentInit& DocumentInit::withRegistrationContext(CustomElementRegistrationContext& registrationContext)
 {
-    ASSERT(!m_createNewRegistrationContext && !m_registrationContext);
-    m_registrationContext = registrationContext;
+    ASSERT(!m_registrationContext);
+    m_registrationContext = &registrationContext;
     return *this;
 }
 
-DocumentInit& DocumentInit::withNewRegistrationContext()
+PassRefPtr<CustomElementRegistrationContext> DocumentInit::registrationContext() const
 {
-    ASSERT(!m_createNewRegistrationContext && !m_registrationContext);
-    m_createNewRegistrationContext = true;
-    return *this;
-}
-
-PassRefPtr<CustomElementRegistrationContext> DocumentInit::registrationContext(Document* document) const
-{
-    if (m_createNewRegistrationContext)
-        return CustomElementRegistrationContext::create();
-
     return m_registrationContext.get();
 }
 
 WeakPtr<Document> DocumentInit::contextDocument() const
 {
     return m_contextDocument;
 }
 
 DocumentInit DocumentInit::fromContext(WeakPtr<Document> contextDocument, const KURL& url)
 {
     return DocumentInit(url, 0, contextDocument, 0);
 }
 
 } // namespace blink