Hook createElement for Custom Elements V1

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

 // 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.
 
 #ifndef CustomElement_h
 #define CustomElement_h
 
 #include "core/CoreExport.h"
 #include "wtf/Allocator.h"
 #include "wtf/text/AtomicString.h"
 
 namespace blink {
 
+class Document;
+class HTMLElement;
+class QualifiedName;
+
 class CORE_EXPORT CustomElement {
     STATIC_ONLY(CustomElement);
 public:
     static bool isValidName(const AtomicString& name);
+
+    static bool shouldCreateCustomElement(Document&, const AtomicString& localName);
+    static bool shouldCreateCustomElement(Document&, const QualifiedName&);
+    static HTMLElement* createCustomElement(Document&, const AtomicString& localName);
+    static HTMLElement* createCustomElement(Document&, const QualifiedName&);
 };
 
 } // namespace blink
 
 #endif // CustomElement_h