Convert first letter into a pseudo element.

Source/core/rendering/RenderDeprecatedFlexibleBox.cpp

 /*
  * This file is part of the render object implementation for KHTML.
  *
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003 Apple Computer, Inc.
  *
  * 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
@@ skipping 1047 matching lines @@
         return "RenderDeprecatedFlexibleBox (positioned)";
     // FIXME: Cleanup isPseudoElement duplication with other renderName methods.
     // crbug.com/415653
     if (isPseudoElement()) {
         if (style()->styleType() == BEFORE)
             return "RenderDeprecatedFlexibleBox (pseudo:before)";
         if (style()->styleType() == AFTER)
             return "RenderDeprecatedFlexibleBox (pseudo:after)";
         if (style()->styleType() == BACKDROP)
             return "RenderDeprecatedFlexibleBox (pseudo:backdrop)";
+        if (style()->styleType() == FIRST_LETTER)
+            return "RenderDeprecatedFlexibleBox (pseudo:first-letter)";
         ASSERT_NOT_REACHED();
     }
     if (isAnonymous())
         return "RenderDeprecatedFlexibleBox (generated)";
     if (isRelPositioned())
         return "RenderDeprecatedFlexibleBox (relative positioned)";
     return "RenderDeprecatedFlexibleBox";
 }
 
 } // namespace blink