List marker pseudo elements.

Source/core/layout/LayoutListMarker.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 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
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 13 matching lines @@
 #define LayoutListMarker_h
 
 #include "core/layout/LayoutBox.h"
 
 namespace blink {
 
 class LayoutListItem;
 
 String listMarkerText(EListStyleType, int value);
 
-// Used to render the list item's marker.
+// Used to layout the list item's marker.
 // The LayoutListMarker always has to be a child of a LayoutListItem.
 class LayoutListMarker final : public LayoutBox {
 public:
     static LayoutListMarker* createAnonymous(LayoutListItem*);
+    LayoutListMarker(Element*, LayoutListItem*);
 
     virtual ~LayoutListMarker();
     virtual void destroy() override;
 
     const String& text() const { return m_text; }
 
     bool isInside() const;
 
     void updateMarginsAndContent();
 
     IntRect getRelativeMarkerRect();
     LayoutRect localSelectionRect();
     virtual bool isImage() const override;
     const StyleImage* image() { return m_image.get(); }
-    const LayoutListItem* listItem() { return m_listItem; }
+    const LayoutListItem* listItem() const { return m_listItem; }
+    LayoutListItem* mutableListItem() const { return m_listItem; }
 
     static UChar listMarkerSuffix(EListStyleType, int value);
 
     void listItemStyleDidChange();
 
     virtual const char* name() const override { return "LayoutListMarker"; }
 
 private:
     LayoutListMarker(LayoutListItem*);
 
@@ skipping 27 matching lines @@
     String m_text;
     RefPtr<StyleImage> m_image;
     LayoutListItem* m_listItem;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutListMarker, isListMarker());
 
 } // namespace blink
 
 #endif // LayoutListMarker_h