Changed TextDirection to an enum class and renamed its members

third_party/WebKit/Source/core/paint/ThemePainterDefault.cpp

Index: third_party/WebKit/Source/core/paint/ThemePainterDefault.cpp
diff --git a/third_party/WebKit/Source/core/paint/ThemePainterDefault.cpp b/third_party/WebKit/Source/core/paint/ThemePainterDefault.cpp
index 0b0fb12ed9bec925b9193a0af701cf971a0fc5cf..3ad394ff3fe52b3c83f931c7000f7930dcd300dd 100644
--- a/third_party/WebKit/Source/core/paint/ThemePainterDefault.cpp
+++ b/third_party/WebKit/Source/core/paint/ThemePainterDefault.cpp
@@ -298,7 +298,7 @@ void ThemePainterDefault::setupMenuListArrow(
         mockDropdownMenuListArrowWidth * box.styleRef().effectiveZoom();
     int arrowSize = std::min(arrowBoxWidth, rect.height()) - 2 * extraPadding;
     extraParams.menuList.arrowX =
-        (box.styleRef().direction() == RTL)
+        (box.styleRef().direction() == TextDirection::Rtl)
             ? rect.x() + extraPadding + (arrowSize / 2)
             : right - (arrowSize / 2) - extraPadding;
     extraParams.menuList.arrowSize = arrowSize;
@@ -306,7 +306,7 @@ void ThemePainterDefault::setupMenuListArrow(
     const int arrowSize = 6;
     const int arrowPadding = 6;
     extraParams.menuList.arrowX =
-        (box.styleRef().direction() == RTL)
+        (box.styleRef().direction() == TextDirection::Rtl)
             ? rect.x() + arrowPadding * box.styleRef().effectiveZoom() +
                   box.borderLeft()
             : right -