Introduce StyledMarkupTraverser to StyledMarkupSerializer

Source/core/editing/StyledMarkupAccumulator.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 26 matching lines @@
 namespace blink {
 
 class Document;
 class StylePropertySet;
 class Text;
 
 class StyledMarkupAccumulator final {
     WTF_MAKE_NONCOPYABLE(StyledMarkupAccumulator);
     STACK_ALLOCATED();
 public:
-    StyledMarkupAccumulator(EAbsoluteURLs, const TextOffset& start, const TextOffset& end, const PassRefPtrWillBeRawPtr<Document>, EAnnotateForInterchange);
+    StyledMarkupAccumulator(EAbsoluteURLs, const TextOffset& start, const TextOffset& end, const PassRefPtrWillBeRawPtr<Document>, EAnnotateForInterchange, ConvertBlocksToInlines);
 
     void appendEndTag(const Element&);
     void appendInterchangeNewline();
 
     void appendText(Text&);
     void appendTextWithInlineStyle(Text&, PassRefPtrWillBeRawPtr<EditingStyle>);
 
     void wrapWithStyleNode(StylePropertySet*);
     String takeResults();
 
     void pushMarkup(const String&);
 
     void appendElement(const Element&);
     void appendElement(StringBuilder&, const Element&);
     void appendElementWithInlineStyle(const Element&, PassRefPtrWillBeRawPtr<EditingStyle>);
     void appendElementWithInlineStyle(StringBuilder&, const Element&, PassRefPtrWillBeRawPtr<EditingStyle>);
     void appendStartMarkup(Node&);
 
+    bool shouldAnnotate() const;
+    bool convertBlocksToInlines() const { return m_convertBlocksToInlines == ConvertBlocksToInlines::Convert; }
+
 private:
     String renderedText(Text&);
     String stringValueForRange(const Text&);
-    bool shouldAnnotate() const;
 
     void appendEndMarkup(StringBuilder&, const Element&);
 
     MarkupFormatter m_formatter;
     const TextOffset m_start;
     const TextOffset m_end;
     const RefPtrWillBeMember<Document> m_document;
     const EAnnotateForInterchange m_shouldAnnotate;
     StringBuilder m_result;
     Vector<String> m_reversedPrecedingMarkup;
+    const ConvertBlocksToInlines m_convertBlocksToInlines;
 };
 
 } // namespace blink
 
 #endif // StyledMarkupAccumulator_h