Changed TextDirection to an enum class and renamed its members

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

Index: third_party/WebKit/Source/core/layout/LayoutSliderContainer.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutSliderContainer.cpp b/third_party/WebKit/Source/core/layout/LayoutSliderContainer.cpp
index f84052db86da01c0dc673ddf9b0eb0ab1e443393..7499188f6f4313f2221bfc91e412480bd6a032ed 100644
--- a/third_party/WebKit/Source/core/layout/LayoutSliderContainer.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutSliderContainer.cpp
@@ -105,7 +105,7 @@ void LayoutSliderContainer::layout() {
     // FIXME: Work around rounding issues in RTL vertical sliders. We want them
     // to render identically to LTR vertical sliders. We can remove this work
     // around when subpixel rendering is enabled on all ports.
-    mutableStyleRef().setDirection(LTR);
+    mutableStyleRef().setDirection(TextDirection::Ltr);
   }
 
   Element* thumbElement = input->userAgentShadowRoot()->getElementById(