2nd arg of document.createElement should be an object

third_party/WebKit/Source/core/dom/Document.h

 /*
  * 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, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
@@ skipping 72 matching lines @@
 class DOMWindow;
 class DocumentFragment;
 class DocumentLoader;
 class DocumentMarkerController;
 class DocumentNameCollection;
 class DocumentParser;
 class DocumentState;
 class DocumentType;
 class Element;
 class ElementDataCache;
+class ElementCreationOptionsOrString;
 class ElementRegistrationOptions;
 class Event;
 class EventFactoryBase;
 class EventListener;
 template <typename EventType>
 class EventWithHitTestResults;
 class ExceptionState;
 class FloatQuad;
 class FloatRect;
 class FormController;
@@ skipping 867 matching lines @@
 
     EventTarget* errorEventTarget() final;
     void exceptionThrown(ErrorEvent*) final;
 
     void initDNSPrefetch();
 
     bool isInDocumentWrite() const { return m_writeRecursionDepth > 0; }
 
     TextAutosizer* textAutosizer();
 
-    Element* createElement(const AtomicString& localName, const AtomicString& typeExtension, ExceptionState&);
-    Element* createElementNS(const AtomicString& namespaceURI, const AtomicString& qualifiedName, const AtomicString& typeExtension, ExceptionState&);
+    Element* createElement(const AtomicString& localName, const ElementCreationOptionsOrString&, ExceptionState&);
+    Element* createElementNS(const AtomicString& namespaceURI, const AtomicString& qualifiedName, const ElementCreationOptionsOrString&, ExceptionState&);
     ScriptValue registerElement(ScriptState*, const AtomicString& name, const ElementRegistrationOptions&, ExceptionState&, V0CustomElement::NameSet validNames = V0CustomElement::StandardNames);
     V0CustomElementRegistrationContext* registrationContext() { return m_registrationContext.get(); }
     V0CustomElementMicrotaskRunQueue* customElementMicrotaskRunQueue();
 
     void setImportsController(HTMLImportsController*);
     HTMLImportsController* importsController() const { return m_importsController; }
     HTMLImportLoader* importLoader() const;
 
     bool haveImportsLoaded() const;
     void didLoadAllImports();
@@ skipping 484 matching lines @@
 DEFINE_TYPE_CASTS(TreeScope, Document, document, true, true);
 
 } // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 CORE_EXPORT void showLiveDocumentInstances();
 #endif
 
 #endif // Document_h