Merge DOMSettableTokensList into DOMTokensList

third_party/WebKit/Source/core/html/HTMLIFrameElement.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Simon Hausmann <hausmann@kde.org>
  * Copyright (C) 2004, 2006, 2008, 2009 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 11 matching lines @@
  */
 
 #ifndef HTMLIFrameElement_h
 #define HTMLIFrameElement_h
 
 #include "core/html/HTMLFrameElementBase.h"
 #include "core/html/HTMLIFrameElementSandbox.h"
 
 namespace blink {
 
-class HTMLIFrameElement final : public HTMLFrameElementBase, public DOMSettableTokenListObserver {
+class HTMLIFrameElement final : public HTMLFrameElementBase, public DOMTokenListObserver {
     DEFINE_WRAPPERTYPEINFO();
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(HTMLIFrameElement);
 public:
     DECLARE_NODE_FACTORY(HTMLIFrameElement);
     DECLARE_VIRTUAL_TRACE();
     ~HTMLIFrameElement() override;
-    DOMSettableTokenList* sandbox() const;
+    DOMTokenList* sandbox() const;
 
 private:
     explicit HTMLIFrameElement(Document&);
 
     void parseAttribute(const QualifiedName&, const AtomicString&, const AtomicString&) override;
     bool isPresentationAttribute(const QualifiedName&) const override;
     void collectStyleForPresentationAttribute(const QualifiedName&, const AtomicString&, MutableStylePropertySet*) override;
 
     InsertionNotificationRequest insertedInto(ContainerNode*) override;
     void removedFrom(ContainerNode*) override;
@@ skipping 12 matching lines @@
     AtomicString m_name;
     bool m_didLoadNonEmptyDocument;
     RefPtrWillBeMember<HTMLIFrameElementSandbox> m_sandbox;
 
     ReferrerPolicy m_referrerPolicy;
 };
 
 } // namespace blink
 
 #endif // HTMLIFrameElement_h