Changed TextDirection to an enum class and renamed its members

third_party/WebKit/Source/core/css/CSSPrimitiveValueMappings.h

 /*
  * Copyright (C) 2007 Alexey Proskuryakov <ap@nypop.com>.
  * Copyright (C) 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
  * Copyright (C) 2009 Jeff Schiller <codedread@gmail.com>
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ skipping 2834 matching lines @@
   }
 
   ASSERT_NOT_REACHED();
   return NormalOverflowWrap;
 }
 
 template <>
 inline CSSIdentifierValue::CSSIdentifierValue(TextDirection e)
     : CSSValue(IdentifierClass) {
   switch (e) {
-    case LTR:
+    case TextDirection::Ltr:
       m_valueID = CSSValueLtr;
       break;
-    case RTL:
+    case TextDirection::Rtl:
       m_valueID = CSSValueRtl;
       break;
   }
 }
 
 template <>
 inline TextDirection CSSIdentifierValue::convertTo() const {
   switch (m_valueID) {
     case CSSValueLtr:
-      return LTR;
+      return TextDirection::Ltr;
     case CSSValueRtl:
-      return RTL;
+      return TextDirection::Rtl;
     default:
       break;
   }
 
   ASSERT_NOT_REACHED();
-  return LTR;
+  return TextDirection::Ltr;
 }
 
 template <>
 inline CSSIdentifierValue::CSSIdentifierValue(WritingMode e)
     : CSSValue(IdentifierClass) {
   switch (e) {
     case TopToBottomWritingMode:
       m_valueID = CSSValueHorizontalTb;
       break;
     case RightToLeftWritingMode:
@@ skipping 1898 matching lines @@
     default:
       break;
   }
   ASSERT_NOT_REACHED();
   return ContainsNone;
 }
 
 }  // namespace blink
 
 #endif