Remove unnecessary override of Node#cloneNode in ShadowRoot's WebIDL

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 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 57 matching lines @@
   NodeType getNodeType() const override;
 
   DECLARE_VIRTUAL_TRACE();
 
  protected:
   Text(TreeScope& treeScope, const String& data, ConstructionType type)
       : CharacterData(treeScope, data, type) {}
 
  private:
   String nodeName() const override;
-  Node* cloneNode(bool deep) final;
+  Node* cloneNode(bool deep, ExceptionState&) final;
 
   bool isTextNode() const =
       delete;  // This will catch anyone doing an unnecessary check.
 
   bool needsWhitespaceLayoutObject();
 
   virtual Text* cloneWithData(const String&);
 };
 
 DEFINE_NODE_TYPE_CASTS(Text, isTextNode());
 
 }  // namespace blink
 
 #endif  // Text_h