All documents should have a RegistrationContext.

sky/engine/core/loader/MojoLoader.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "sky/engine/config.h"
 #include "sky/engine/core/loader/MojoLoader.h"
 
 #include "base/bind.h"
 #include "mojo/public/cpp/system/data_pipe.h"
 #include "sky/engine/core/dom/Document.h"
 #include "sky/engine/core/dom/DocumentInit.h"
 #include "sky/engine/core/dom/DocumentParser.h"
 #include "sky/engine/core/frame/LocalDOMWindow.h"
 #include "sky/engine/core/frame/LocalFrame.h"
 #include "sky/engine/core/loader/FrameLoaderClient.h"
 #include "sky/engine/core/page/Page.h"
 
 namespace blink {
 
 using namespace mojo;
 
 MojoLoader::MojoLoader(LocalFrame& frame)
     : m_frame(frame)
 {
 }
 
 void MojoLoader::load(const KURL& url, ScopedDataPipeConsumerHandle responseStream)
 {
     DocumentInit init(url, &m_frame);
-    init.withNewRegistrationContext();
 
     // FIXME(sky): Poorly named method for creating the FrameView:
     m_frame.loaderClient()->transitionToCommittedForNewPage();
     // Only needed for UseCounter, and thus probably can be removed:
     m_frame.page()->didCommitLoad(&m_frame);
 
     m_frame.setDOMWindow(LocalDOMWindow::create(m_frame));
     RefPtr<Document> document = m_frame.domWindow()->installNewDocument(init);
     // Unclear if we care about DocumentLoadTiming in Sky.
     document->timing()->markNavigationStart();
     document->setReadyState(Document::Loading);
     // FIXME: This should read the Content-Language out of the
     // response headers and set them on Document::contentLanguage.
 
     document->startParsing()->parse(responseStream.Pass(), base::Bind(base::DoNothing));
 }
 
 }