Convert first letter into a pseudo element.

Source/core/rendering/RenderBoxModelObject.h

Index: Source/core/rendering/RenderBoxModelObject.h
diff --git a/Source/core/rendering/RenderBoxModelObject.h b/Source/core/rendering/RenderBoxModelObject.h
index aa3f00146bf139977c0bbba6471c196926183816..01aff37b523f28d203b3300887af01cd476aeb48 100644
--- a/Source/core/rendering/RenderBoxModelObject.h
+++ b/Source/core/rendering/RenderBoxModelObject.h
@@ -186,11 +186,6 @@ protected:
     bool hasAutoHeightOrContainingBlockWithAutoHeight() const;
 
 public:
-
-    // For RenderBlocks and RenderInlines with m_style->styleType() == FIRST_LETTER, this tracks their remaining text fragments
-    RenderTextFragment* firstLetterRemainingText() const;
-    void setFirstLetterRemainingText(RenderTextFragment*);
-
     // These functions are only used internally to manipulate the render tree structure via remove/insert/appendChildNode.
     // Since they are typically called only to move objects around within anonymous blocks (which only have layers in
     // the case of column spans), the default for fullRemoveInsert is false rather than true.