Plumb the correct owner document through DocumentInit::m_owner.

third_party/WebKit/Source/core/dom/DocumentInit.h

 /*
  * 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 30 matching lines @@
 namespace blink {
 
 class Document;
 class LocalFrame;
 class HTMLImportsController;
 class Settings;
 
 class CORE_EXPORT DocumentInit final {
     STACK_ALLOCATED();
 public:
-    explicit DocumentInit(const KURL& = KURL(), LocalFrame* = 0, WeakPtrWillBeRawPtr<Document> = nullptr, HTMLImportsController* = 0);
+    DocumentInit(const KURL& = KURL(), LocalFrame* = nullptr, WeakPtrWillBeRawPtr<Document> contextDocument = nullptr, HTMLImportsController* = nullptr);
+    DocumentInit(PassRefPtrWillBeRawPtr<Document> ownerDocument, const KURL&, LocalFrame*, WeakPtrWillBeRawPtr<Document> contextDocument = nullptr, HTMLImportsController* = nullptr);
     DocumentInit(const DocumentInit&);
     ~DocumentInit();
 
     const KURL& url() const { return m_url; }
     LocalFrame* frame() const { return m_frame; }
     HTMLImportsController* importsController() const { return m_importsController; }
 
     bool hasSecurityContext() const { return frameForSecurityContext(); }
     bool shouldTreatURLAsSrcdocDocument() const;
     bool shouldSetURL() const;
@@ skipping 37 matching lines @@
     // won't be blown away when the network load commits. To make that happen, we
     // "securely transition" the existing LocalDOMWindow to the Document that results from
     // the network load. See also SecurityContext::isSecureTransitionTo.
     // FIXME: This is for DocumentWriter creation, not for one of Document.
     bool m_shouldReuseDefaultView;
 };
 
 } // namespace blink
 
 #endif // DocumentInit_h