Rewrite DocumentMarkerController to use SynchronousMutationObserver

third_party/WebKit/Source/core/editing/commands/CompositeEditCommand.h

 /*
  * Copyright (C) 2005, 2006, 2008 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 145 matching lines @@
                                         Node* pastLastNodeToMove,
                                         Element* newParent,
                                         EditingState*);
   void updatePositionForNodeRemovalPreservingChildren(Position&, Node&);
   void prune(Node*, EditingState*, Node* excludeNode = nullptr);
   void replaceTextInNode(Text*,
                          unsigned offset,
                          unsigned count,
                          const String& replacementText);
   Position replaceSelectedTextInNode(const String&);
-  void replaceTextInNodePreservingMarkers(Text*,
-                                          unsigned offset,
-                                          unsigned count,
-                                          const String& replacementText);
   Position positionOutsideTabSpan(const Position&);
   void setNodeAttribute(Element*,
                         const QualifiedName& attribute,
                         const AtomicString& value);
   void splitElement(Element*, Node* atChild);
   void splitTextNode(Text*, unsigned offset);
   void splitTextNodeContainingElement(Text*, unsigned offset);
   void wrapContentsInDummySpan(Element*);
 
   void deleteInsignificantText(Text*, unsigned start, unsigned end);
@@ skipping 60 matching lines @@
 
 DEFINE_TYPE_CASTS(CompositeEditCommand,
                   EditCommand,
                   command,
                   command->isCompositeEditCommand(),
                   command.isCompositeEditCommand());
 
 }  // namespace blink
 
 #endif  // CompositeEditCommand_h