Changed TextDirection to an enum class and renamed its members

third_party/WebKit/Source/core/editing/EditingUtilities.cpp

Index: third_party/WebKit/Source/core/editing/EditingUtilities.cpp
diff --git a/third_party/WebKit/Source/core/editing/EditingUtilities.cpp b/third_party/WebKit/Source/core/editing/EditingUtilities.cpp
index 60ef9c2598a6be301ff403ab218034e448a039c1..9ccea33fc58cd19329dbab23e39a3478f5f02ec2 100644
--- a/third_party/WebKit/Source/core/editing/EditingUtilities.cpp
+++ b/third_party/WebKit/Source/core/editing/EditingUtilities.cpp
@@ -956,9 +956,9 @@ TextDirection directionOfEnclosingBlockAlgorithm(
                          position.computeContainerNode()),
                      CannotCrossEditingBoundary);
   if (!enclosingBlockElement)
-    return LTR;
+    return TextDirection::Ltr;
   LayoutObject* layoutObject = enclosingBlockElement->layoutObject();
-  return layoutObject ? layoutObject->style()->direction() : LTR;
+  return layoutObject ? layoutObject->style()->direction() : TextDirection::Ltr;
 }
 
 TextDirection directionOfEnclosingBlock(const Position& position) {
@@ -971,7 +971,7 @@ TextDirection directionOfEnclosingBlock(const PositionInFlatTree& position) {
 }
 
 TextDirection primaryDirectionOf(const Node& node) {
-  TextDirection primaryDirection = LTR;
+  TextDirection primaryDirection = TextDirection::Ltr;
   for (const LayoutObject* r = node.layoutObject(); r; r = r->parent()) {
     if (r->isLayoutBlockFlow()) {
       primaryDirection = r->style()->direction();