Make Hyphens an enum class.

third_party/WebKit/Source/core/layout/LayoutText.cpp

 /*
  * (C) 1999 Lars Knoll (knoll@kde.org)
  * (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Andrew Wellington (proton@wiretapped.net)
  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *
  * 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 1117 matching lines @@
     if (style_to_use.WordBreak() == kBreakAllWordBreak ||
         style_to_use.WordBreak() == kBreakWordBreak) {
       break_all_or_break_word = style_to_use.WordBreak();
     } else if (style_to_use.WordBreak() == kKeepAllWordBreak) {
       line_break_type = LineBreakType::kKeepAll;
     }
   }
 
   Hyphenation* hyphenation =
       style_to_use.AutoWrap() ? style_to_use.GetHyphenation() : nullptr;
-  bool disable_soft_hyphen = style_to_use.GetHyphens() == kHyphensNone;
+  bool disable_soft_hyphen = style_to_use.GetHyphens() == Hyphens::kNone;
   float max_word_width = 0;
   if (!hyphenation)
     max_word_width = std::numeric_limits<float>::infinity();
 
   BidiResolver<TextRunIterator, BidiCharacterRun> bidi_resolver;
   BidiCharacterRun* run;
   TextDirection text_direction = style_to_use.Direction();
   if ((Is8Bit() && text_direction == TextDirection::kLtr) ||
       IsOverride(style_to_use.GetUnicodeBidi())) {
     run = 0;
@@ skipping 900 matching lines @@
   LayoutRect rect = LayoutRect(
       IntRect(FirstRunX(), FirstRunY(), lines_box.Width(), lines_box.Height()));
   LayoutBlock* block = ContainingBlock();
   if (block && HasTextBoxes())
     block->AdjustChildDebugRect(rect);
 
   return rect;
 }
 
 }  // namespace blink