Make TextEmphasisMark an enum class.

third_party/WebKit/Source/core/layout/line/InlineTextBox.cpp

 /*
  * (C) 1999 Lars Knoll (knoll@kde.org)
  * (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 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 472 matching lines @@
       return true;
   }
   return false;
 }
 
 bool InlineTextBox::GetEmphasisMarkPosition(
     const ComputedStyle& style,
     TextEmphasisPosition& emphasis_position) const {
   // This function returns true if there are text emphasis marks and they are
   // suppressed by ruby text.
-  if (style.GetTextEmphasisMark() == kTextEmphasisMarkNone)
+  if (style.GetTextEmphasisMark() == TextEmphasisMark::kNone)
     return false;
 
   emphasis_position = style.GetTextEmphasisPosition();
   // Ruby text is always over, so it cannot suppress emphasis marks under.
   if (emphasis_position == TextEmphasisPosition::kUnder)
     return true;
 
   LineLayoutBox containing_block = GetLineLayoutItem().ContainingBlock();
   // This text is not inside a ruby base, so it does not have ruby text over it.
   if (!containing_block.IsRubyBase())
@@ skipping 244 matching lines @@
   for (; printed_characters < kLayoutObjectCharacterOffset;
        printed_characters++)
     fputc(' ', stderr);
   fprintf(stderr, "(%d,%d) \"%s\"\n", Start(), Start() + Len(),
           value.Utf8().data());
 }
 
 #endif
 
 }  // namespace blink