Cleanup anonymous text objects that pass the document as a node.

third_party/WebKit/Source/core/layout/LayoutTextFragment.h

 /*
  * (C) 1999 Lars Knoll (knoll@kde.org)
  * (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007 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 25 matching lines @@
 // styles (and positions in the layout tree).
 // We cache offsets so that text transformations can be applied in such a way
 // that we can recover the original unaltered string from our corresponding DOM
 // node.
 class LayoutTextFragment final : public LayoutText {
  public:
   LayoutTextFragment(Node*, StringImpl*, int startOffset, int length);
   LayoutTextFragment(Node*, StringImpl*);
   ~LayoutTextFragment() override;
 
+  static LayoutTextFragment* createAnonymous(PseudoElement&, StringImpl*);
+  static LayoutTextFragment* createAnonymous(PseudoElement&,
+                                             StringImpl*,
+                                             unsigned start,
+                                             unsigned length);
+
   bool isTextFragment() const override { return true; }
 
   bool canBeSelectionLeaf() const override {
     return node() && hasEditableStyle(*node());
   }
 
   unsigned start() const { return m_start; }
   unsigned fragmentLength() const { return m_fragmentLength; }
 
   unsigned textStartOffset() const override { return start(); }
@@ skipping 51 matching lines @@
 
 DEFINE_TYPE_CASTS(LayoutTextFragment,
                   LayoutObject,
                   object,
                   toLayoutText(object)->isTextFragment(),
                   toLayoutText(object).isTextFragment());
 
 }  // namespace blink
 
 #endif  // LayoutTextFragment_h