Pass the old and new owner documents to the adoptedCallback.

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

Index: third_party/WebKit/Source/core/dom/custom/CustomElement.cpp
diff --git a/third_party/WebKit/Source/core/dom/custom/CustomElement.cpp b/third_party/WebKit/Source/core/dom/custom/CustomElement.cpp
index 83ea081e5c28ee8f238f89efccea556ac7a1932e..d27be1a10caf1835321b96d193b2da0335c40918 100644
--- a/third_party/WebKit/Source/core/dom/custom/CustomElement.cpp
+++ b/third_party/WebKit/Source/core/dom/custom/CustomElement.cpp
@@ -214,12 +214,13 @@ void CustomElement::enqueueDisconnectedCallback(Element* element)
         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,