Oilpan: have DocumentInit use transition types throughout.

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 43 matching lines @@
         return 0;
 
     LocalFrame* ownerFrame = frame->tree().parent();
     if (!ownerFrame)
         ownerFrame = frame->loader().opener();
     if (!ownerFrame)
         return 0;
     return ownerFrame->document();
 }
 
-DocumentInit::DocumentInit(const KURL& url, LocalFrame* frame, WeakPtr<Document> contextDocument, HTMLImportsController* importsController)
+DocumentInit::DocumentInit(const KURL& url, LocalFrame* frame, WeakPtrWillBeRawPtr<Document> contextDocument, HTMLImportsController* importsController)
     : m_url(url)
     , m_frame(frame)
     , m_parent(parentDocument(frame))
     , m_owner(ownerDocument(frame))
     , m_contextDocument(contextDocument)
     , m_importsController(importsController)
     , m_createNewRegistrationContext(false)
 {
 }
 
@@ skipping 68 matching lines @@
 {
     if (!document->isHTMLDocument() && !document->isXHTMLDocument())
         return nullptr;
 
     if (m_createNewRegistrationContext)
         return CustomElementRegistrationContext::create();
 
     return m_registrationContext.get();
 }
 
-WeakPtr<Document> DocumentInit::contextDocument() const
+WeakPtrWillBeRawPtr<Document> DocumentInit::contextDocument() const
 {
     return m_contextDocument;
 }
 
-DocumentInit DocumentInit::fromContext(WeakPtr<Document> contextDocument, const KURL& url)
+DocumentInit DocumentInit::fromContext(WeakPtrWillBeRawPtr<Document> contextDocument, const KURL& url)
 {
     return DocumentInit(url, 0, contextDocument, 0);
 }
 
 } // namespace WebCore