Changed TextDirection to an enum class and renamed its members

third_party/WebKit/Source/platform/text/BidiTextRun.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 21 matching lines @@
 
 #include "platform/text/BidiResolver.h"
 #include "platform/text/TextRunIterator.h"
 
 namespace blink {
 
 TextDirection directionForRun(TextRun& run, bool* hasStrongDirectionality) {
   if (!hasStrongDirectionality) {
     // 8bit is Latin-1 and therefore is always LTR.
     if (run.is8Bit())
-      return LTR;
+      return TextDirection::Ltr;
 
     // length == 1 for more than 90% of cases of width() for CJK text.
     if (run.length() == 1 && U16_IS_SINGLE(run.characters16()[0]))
       return directionForCharacter(run.characters16()[0]);
   }
 
   BidiResolver<TextRunIterator, BidiCharacterRun> bidiResolver;
   bidiResolver.setStatus(
       BidiStatus(run.direction(), run.directionalOverride()));
   bidiResolver.setPositionIgnoringNestedIsolates(TextRunIterator(&run, 0));
   return bidiResolver.determineDirectionality(hasStrongDirectionality);
 }
 
 TextDirection determineDirectionality(const String& value,
                                       bool* hasStrongDirectionality) {
   TextRun run(value);
   return directionForRun(run, hasStrongDirectionality);
 }
 
 TextRun textRunWithDirectionality(const String& value,
                                   bool* hasStrongDirectionality) {
   TextRun run(value);
   TextDirection direction = directionForRun(run, hasStrongDirectionality);
   if (hasStrongDirectionality)
     run.setDirection(direction);
   return run;
 }
 
 }  // namespace blink