Changed TextDirection to an enum class and renamed its members

third_party/WebKit/Source/core/html/HTMLElement.cpp

Index: third_party/WebKit/Source/core/html/HTMLElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLElement.cpp b/third_party/WebKit/Source/core/html/HTMLElement.cpp
index 0bf6ef826db5e5c44e923ec5000290a82c0bb844..fdb4b533b042dcd8a820a4818c9219360df457b9 100644
--- a/third_party/WebKit/Source/core/html/HTMLElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLElement.cpp
@@ -788,7 +788,7 @@ TextDirection HTMLElement::directionalityIfhasDirAutoAttribute(
     bool& isAuto) const {
   isAuto = hasDirectionAuto();
   if (!isAuto)
-    return LTR;
+    return TextDirection::Ltr;
   return directionality();
 }
 
@@ -842,7 +842,7 @@ TextDirection HTMLElement::directionality(
   }
   if (strongDirectionalityTextNode)
     *strongDirectionalityTextNode = 0;
-  return LTR;
+  return TextDirection::Ltr;
 }
 
 bool HTMLElement::selfOrAncestorHasDirAutoAttribute() const {