The HTML parser synchronously creates custom elements

third_party/WebKit/Source/core/dom/Document.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, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
@@ skipping 89 matching lines @@
 #include "core/dom/StaticNodeList.h"
 #include "core/dom/StyleChangeReason.h"
 #include "core/dom/StyleEngine.h"
 #include "core/dom/TaskRunnerHelper.h"
 #include "core/dom/TouchList.h"
 #include "core/dom/TransformSource.h"
 #include "core/dom/TreeWalker.h"
 #include "core/dom/VisitedLinkState.h"
 #include "core/dom/XMLDocument.h"
 #include "core/dom/custom/CustomElement.h"
+#include "core/dom/custom/CustomElementsRegistry.h"
 #include "core/dom/custom/V0CustomElementMicrotaskRunQueue.h"
 #include "core/dom/custom/V0CustomElementRegistrationContext.h"
 #include "core/dom/shadow/ElementShadow.h"
 #include "core/dom/shadow/FlatTreeTraversal.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/editing/DragCaretController.h"
 #include "core/editing/EditingUtilities.h"
 #include "core/editing/Editor.h"
 #include "core/editing/FrameSelection.h"
 #include "core/editing/InputMethodController.h"
@@ skipping 333 matching lines @@
     , m_hasViewportUnits(false)
     , m_parserSyncPolicy(AllowAsynchronousParsing)
     , m_nodeCount(0)
 {
     if (m_frame) {
         DCHECK(m_frame->page());
         provideContextFeaturesToDocumentFrom(*this, *m_frame->page());
 
         m_fetcher = m_frame->loader().documentLoader()->fetcher();
         FrameFetchContext::provideDocumentToContext(m_fetcher->context(), this);
+
+        CustomElementsRegistry* registry = m_frame->localDOMWindow()
+            ? m_frame->localDOMWindow()->maybeCustomElements()
+            : nullptr;
+        if (registry && m_registrationContext)
+            registry->entangle(m_registrationContext);
     } else if (m_importsController) {
         m_fetcher = FrameFetchContext::createContextAndFetcher(nullptr, this);
     } else {
         m_fetcher = ResourceFetcher::create(nullptr);
     }
 
     m_rootScrollerController = RootScrollerController::create(*this);
 
     // We depend on the url getting immediately set in subframes, but we
     // also depend on the url NOT getting immediately set in opened windows.
@@ skipping 5558 matching lines @@
 }
 
 void showLiveDocumentInstances()
 {
     WeakDocumentSet& set = liveDocumentSet();
     fprintf(stderr, "There are %u documents currently alive:\n", set.size());
     for (Document* document : set)
         fprintf(stderr, "- Document %p URL: %s\n", document, document->url().getString().utf8().data());
 }
 #endif