Implement PotentialCustomElementName

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 CORE_EXPORT CustomElement {
+    STATIC_ONLY(CustomElement);
+public:
+    static bool isPotentialCustomElementName(const AtomicString& name);
+};
+
+} // namespace blink
+
+#endif // CustomElement_h