Changed TextDirection to an enum class and renamed its members

third_party/WebKit/Source/core/layout/LayoutFlexibleBox.cpp

Index: third_party/WebKit/Source/core/layout/LayoutFlexibleBox.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutFlexibleBox.cpp b/third_party/WebKit/Source/core/layout/LayoutFlexibleBox.cpp
index 10507de24c542e11585ac683879858401dc1b4d7..74bb7ba4587a18f66997888c5d2715541458d2bd 100644
--- a/third_party/WebKit/Source/core/layout/LayoutFlexibleBox.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutFlexibleBox.cpp
@@ -267,7 +267,7 @@ IntSize LayoutFlexibleBox::originAdjustmentForScrollbars() const {
   WritingMode writingMode = style()->getWritingMode();
 
   if (flexDirection == FlowRow) {
-    if (textDirection == RTL) {
+    if (textDirection == TextDirection::Rtl) {
       if (writingMode == TopToBottomWritingMode)
         size.expand(adjustmentWidth, 0);
       else
@@ -276,7 +276,7 @@ IntSize LayoutFlexibleBox::originAdjustmentForScrollbars() const {
     if (writingMode == RightToLeftWritingMode)
       size.expand(adjustmentWidth, 0);
   } else if (flexDirection == FlowRowReverse) {
-    if (textDirection == LTR) {
+    if (textDirection == TextDirection::Ltr) {
       if (writingMode == TopToBottomWritingMode)
         size.expand(adjustmentWidth, 0);
       else