Refactoring: Move StyledMarkupSerializer::m_reversedPrecedingMarkup to StyledMarkupAccumulator

Source/core/editing/StyledMarkupSerializer.h

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009, 2010, 2011 Google Inc. All rights reserved.
  * Copyright (C) 2011 Igalia S.L.
  * Copyright (C) 2011 Motorola Mobility. 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
@@ skipping 35 matching lines @@
     using PositionType = typename Strategy::PositionType;
 public:
     StyledMarkupSerializer(EAbsoluteURLs, EAnnotateForInterchange, const PositionType& start, const PositionType& end, Node* highestNodeToBeSerialized, ConvertBlocksToInlines);
 
     String createMarkup();
 
 private:
     enum class NodeTraversalMode { EmitString, DoNotEmitString };
 
     Node* serializeNodes(Node* startNode, Node* pastEnd);
-    String takeResults();
 
     Node* traverseNodesForSerialization(Node* startNode, Node* pastEnd, NodeTraversalMode);
 
-    // TODO(hajimehoshi): These functions should be at the accumulator.
-    void wrapWithNode(ContainerNode&, StyledMarkupAccumulator::RangeFullySelectsNode = StyledMarkupAccumulator::DoesFullySelectNode);
-    void wrapWithStyleNode(StylePropertySet*, bool isBlock = false);
-
-    bool convertBlocksToInlines() const { return m_convertBlocksToInlines == ConvertBlocksToInlines::Convert; }
-
     StyledMarkupAccumulator m_markupAccumulator;
     const PositionType m_start;
     const PositionType m_end;
     const EAnnotateForInterchange m_shouldAnnotate;
     const RefPtrWillBeMember<Node> m_highestNodeToBeSerialized;
-    const ConvertBlocksToInlines m_convertBlocksToInlines;
-    Vector<String> m_reversedPrecedingMarkup;
 };
 
 extern template class StyledMarkupSerializer<EditingStrategy>;
 
 } // namespace blink
 
 #endif // StyledMarkupSerializer_h