Changed TextDirection to an enum class and renamed its members

third_party/WebKit/Source/modules/accessibility/AXLayoutObject.cpp

 /*
 * Copyright (C) 2008 Apple 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:
 *
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 970 matching lines @@
 AccessibilityTextDirection AXLayoutObject::textDirection() const {
   if (!getLayoutObject())
     return AXNodeObject::textDirection();
 
   const ComputedStyle* style = getLayoutObject()->style();
   if (!style)
     return AXNodeObject::textDirection();
 
   if (style->isHorizontalWritingMode()) {
     switch (style->direction()) {
-      case LTR:
+      case TextDirection::Ltr:
         return AccessibilityTextDirectionLTR;
-      case RTL:
+      case TextDirection::Rtl:
         return AccessibilityTextDirectionRTL;
     }
   } else {
     switch (style->direction()) {
-      case LTR:
+      case TextDirection::Ltr:
         return AccessibilityTextDirectionTTB;
-      case RTL:
+      case TextDirection::Rtl:
         return AccessibilityTextDirectionBTT;
     }
   }
 
   return AXNodeObject::textDirection();
 }
 
 int AXLayoutObject::textLength() const {
   if (!isTextControl())
     return -1;
@@ skipping 1476 matching lines @@
 
 bool AXLayoutObject::elementAttributeValue(
     const QualifiedName& attributeName) const {
   if (!m_layoutObject)
     return false;
 
   return equalIgnoringCase(getAttribute(attributeName), "true");
 }
 
 }  // namespace blink