Changed TextDirection to an enum class and renamed its members

third_party/WebKit/Source/platform/text/BidiCharacterRun.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2006, 2007, 2008 Apple Inc.  All right 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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 55 matching lines @@
 
   int start() const { return m_start; }
   int stop() const { return m_stop; }
   unsigned char level() const { return m_level; }
   bool reversed(bool visuallyOrdered) const {
     return m_level % 2 && !visuallyOrdered;
   }
   bool dirOverride(bool visuallyOrdered) {
     return m_override || visuallyOrdered;
   }
-  TextDirection direction() const { return reversed(false) ? RTL : LTR; }
+  TextDirection direction() const {
+    return reversed(false) ? TextDirection::Rtl : TextDirection::Ltr;
+  }
 
   BidiCharacterRun* next() const { return m_next; }
   void setNext(BidiCharacterRun* next) { m_next = next; }
 
   // Do not add anything apart from bitfields until after m_next. See
   // https://bugs.webkit.org/show_bug.cgi?id=100173
   bool m_override : 1;
   // Used by BidiRun subclass which is a layering violation but enables us to
   // save 8 bytes per object on 64-bit.
   bool m_hasHyphen : 1;
   unsigned char m_level;
   BidiCharacterRun* m_next;
   int m_start;
   int m_stop;
 };
 
 }  // namespace blink
 
 #endif  // BidiCharacterRun_h