Pass the old and new owner documents to the adoptedCallback.

third_party/WebKit/Source/core/dom/custom/CustomElement.cpp

 // Copyright 2016 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 "core/dom/custom/CustomElement.h"
 
 #include "core/dom/Document.h"
 #include "core/dom/QualifiedName.h"
 #include "core/dom/custom/CEReactionsScope.h"
 #include "core/dom/custom/CustomElementDefinition.h"
@@ skipping 196 matching lines @@
         definition->enqueueConnectedCallback(element);
 }
 
 void CustomElement::enqueueDisconnectedCallback(Element* element)
 {
     CustomElementDefinition* definition = definitionForElementWithoutCheck(*element);
     if (definition->hasDisconnectedCallback())
         definition->enqueueDisconnectedCallback(element);
 }
 
-void CustomElement::enqueueAdoptedCallback(Element* element)
+void CustomElement::enqueueAdoptedCallback(
+    Element* element, Document* oldOwner, Document* newOwner)
 {
     DCHECK_EQ(element->getCustomElementState(), CustomElementState::Custom);
     CustomElementDefinition* definition = definitionForElementWithoutCheck(*element);
     if (definition->hasAdoptedCallback())
-        definition->enqueueAdoptedCallback(element);
+        definition->enqueueAdoptedCallback(element, oldOwner, newOwner);
 }
 
 void CustomElement::enqueueAttributeChangedCallback(Element* element,
     const QualifiedName& name,
     const AtomicString& oldValue, const AtomicString& newValue)
 {
     CustomElementDefinition* definition = definitionForElementWithoutCheck(*element);
     if (definition->hasAttributeChangedCallback(name))
         definition->enqueueAttributeChangedCallback(element, name, oldValue, newValue);
 }
 
 void CustomElement::tryToUpgrade(Element* element)
 {
     // Try to upgrade an element
     // https://html.spec.whatwg.org/multipage/scripting.html#concept-try-upgrade
 
     DCHECK_EQ(element->getCustomElementState(), CustomElementState::Undefined);
 
     CustomElementRegistry* registry = CustomElement::registry(*element);
     if (!registry)
         return;
     if (CustomElementDefinition* definition = registry->definitionForName(element->localName()))
         definition->enqueueUpgradeReaction(element);
     else
         registry->addCandidate(element);
 }
 
 } // namespace blink