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

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

 /*
  * 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 215 matching lines @@
 }
 
 String Text::nodeName() const {
   return "#text";
 }
 
 Node::NodeType Text::getNodeType() const {
   return kTextNode;
 }
 
-Node* Text::cloneNode(bool /*deep*/) {
+Node* Text::cloneNode(bool /*deep*/, ExceptionState&) {
   return cloneWithData(data());
 }
 
 static inline bool canHaveWhitespaceChildren(const LayoutObject& parent) {
   // <button> and <fieldset> should allow whitespace even though
   // LayoutFlexibleBox doesn't.
   if (parent.isLayoutButton() || parent.isFieldset())
     return true;
 
   if (parent.isTable() || parent.isTableRow() || parent.isTableSection() ||
@@ skipping 204 matching lines @@
 
 Text* Text::cloneWithData(const String& data) {
   return create(document(), data);
 }
 
 DEFINE_TRACE(Text) {
   CharacterData::trace(visitor);
 }
 
 }  // namespace blink