Share Custom Element registration contexts between related documents.

Source/bindings/v8/CustomElementConstructorBuilder.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 126 matching lines @@
 
     if (m_namespaceURI != nullAtom) {
         // Use the custom element type as the tag's local name.
         tagName = QualifiedName(nullAtom, customElementType, m_namespaceURI);
         return true;
     }
 
     return false;
 }
 
-PassRefPtr<CustomElementLifecycleCallbacks> CustomElementConstructorBuilder::createCallbacks(Document* document)
+PassRefPtr<CustomElementLifecycleCallbacks> CustomElementConstructorBuilder::createCallbacks()
 {
     ASSERT(!m_prototype.IsEmpty());
 
-    RefPtr<Document> protect(document);
+    RefPtr<ScriptExecutionContext> scriptExecutionContext = toScriptExecutionContext(m_context);
 
     v8::TryCatch exceptionCatcher;
     exceptionCatcher.SetVerbose(true);
 
     v8::Isolate* isolate = v8::Isolate::GetCurrent();
     v8::Handle<v8::Function> created = retrieveCallback(isolate, "createdCallback");
     v8::Handle<v8::Function> enteredDocument = retrieveCallback(isolate, "enteredDocumentCallback");
     v8::Handle<v8::Function> leftDocument = retrieveCallback(isolate, "leftDocumentCallback");
     v8::Handle<v8::Function> attributeChanged = retrieveCallback(isolate, "attributeChangedCallback");
 
-    return V8CustomElementLifecycleCallbacks::create(document, m_prototype, created, enteredDocument, leftDocument, attributeChanged);
+    return V8CustomElementLifecycleCallbacks::create(scriptExecutionContext.get(), m_prototype, created, enteredDocument, leftDocument, attributeChanged);
 }
 
 v8::Handle<v8::Function> CustomElementConstructorBuilder::retrieveCallback(v8::Isolate* isolate, const char* name)
 {
     v8::Handle<v8::Value> value = m_prototype->Get(v8String(name, isolate));
     if (value.IsEmpty() || !value->IsFunction())
         return v8::Handle<v8::Function>();
     return value.As<v8::Function>();
 }
 
@@ skipping 138 matching lines @@
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
     RefPtr<Element> element = document->createElementNS(namespaceURI, tagName, maybeType->IsNull() ? nullAtom : type, ec);
     if (ec) {
         setDOMException(ec, isolate);
         return;
     }
     v8SetReturnValue(args, toV8Fast(element.release(), args, document));
 }
 
 } // namespace WebCore