CustomElements: adopt node

third_party/WebKit/Source/core/dom/Element.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013 Apple Inc. All rights reserved.
  *           (C) 2007 Eric Seidel (eric@webkit.org)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 1923 matching lines @@
     if (!layoutObject)
         return;
     if (!layoutObject->hasLayer())
         return;
     layoutObject->layer()->setNeedsCompositingInputsUpdate();
     // Changes in the return value of requiresAcceleratedCompositing change if
     // the PaintLayer is self-painting.
     layoutObject->layer()->updateSelfPaintingLayer();
 }
 
-void Element::setCustomElementDefinition(V0CustomElementDefinition* definition)
+void Element::v0SetCustomElementDefinition(V0CustomElementDefinition* definition)
+{
+    if (!hasRareData() && !definition)
+        return;
+    DCHECK(!v0CustomElementDefinition());
+    ensureElementRareData().v0SetCustomElementDefinition(definition);
+}
+
+V0CustomElementDefinition* Element::v0CustomElementDefinition() const
+{
+    if (hasRareData())
+        return elementRareData()->v0CustomElementDefinition();
+    return nullptr;
+}
+
+void Element::setCustomElementDefinition(CustomElementDefinition* definition)
 {
     if (!hasRareData() && !definition)

[dominicc (has gone to gerrit), 2016/08/04 08:04:06]

I think we should just DCHECK(definition) instead.

         return;
     DCHECK(!customElementDefinition());
     ensureElementRareData().setCustomElementDefinition(definition);
+    this->setCustomElementState(CustomElementState::Custom);
 }
 
-V0CustomElementDefinition* Element::customElementDefinition() const
+CustomElementDefinition* Element::customElementDefinition() const
 {
     if (hasRareData())
         return elementRareData()->customElementDefinition();
     return nullptr;
 }
 
 ShadowRoot* Element::createShadowRoot(const ScriptState* scriptState, ExceptionState& exceptionState)
 {
     HostsUsingFeatures::countMainWorldOnly(scriptState, document(), HostsUsingFeatures::Feature::ElementCreateShadowRoot);
     if (ShadowRoot* root = shadowRoot()) {
@@ skipping 1832 matching lines @@
 
 DEFINE_TRACE_WRAPPERS(Element)
 {
     if (hasRareData()) {
         visitor->traceWrappers(elementRareData());
     }
     ContainerNode::traceWrappers(visitor);
 }
 
 } // namespace blink