Make removeChild faster with active ranges

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

 /*
  * (C) 1999 Lars Knoll (knoll@kde.org)
  * (C) 2000 Gunnstein Lye (gunnstein@netcom.no)
  * (C) 2000 Frederik Holljen (frederik.holljen@hig.no)
  * (C) 2001 Peter Kelly (pmk@post.com)
  * Copyright (C) 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
@@ skipping 105 matching lines @@
 
     // Not transform-friendly
     void textRects(Vector<IntRect>&, bool useSelectionHeight = false) const;
     IntRect boundingBox() const;
 
     // Transform-friendly
     void textQuads(Vector<FloatQuad>&, bool useSelectionHeight = false) const;
     void getBorderAndTextQuads(Vector<FloatQuad>&) const;
     FloatRect boundingRect() const;
 
-    void nodeChildrenChanged(ContainerNode*);
     void nodeChildrenWillBeRemoved(ContainerNode&);
     void nodeWillBeRemoved(Node&);
 
     void didInsertText(Node*, unsigned offset, unsigned length);
     void didRemoveText(Node*, unsigned offset, unsigned length);
     void didMergeTextNodes(const NodeWithIndex& oldNode, unsigned offset);
     void didSplitTextNode(Text& oldNode);
     void updateOwnerDocumentIfNeeded();
 
     // Expand range to a unit (word or sentence or block or document) boundary.
@@ skipping 37 matching lines @@
 using RangeVector = HeapVector<Member<Range>>;
 
 } // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showTree(const blink::Range*);
 #endif
 
 #endif // Range_h