[LayoutNG] Add writing mode to NGDerivedConstraintSpace

third_party/WebKit/Source/core/layout/ng/ng_fragment_base.h

Index: third_party/WebKit/Source/core/layout/ng/ng_fragment_base.h
diff --git a/third_party/WebKit/Source/core/layout/ng/ng_fragment_base.h b/third_party/WebKit/Source/core/layout/ng/ng_fragment_base.h
index 03c5df925cc01a86574a5b879fab8bd123d98a85..c9260b9287f52fd0ac1a5810c1ee5bc8e4e36f02 100644
--- a/third_party/WebKit/Source/core/layout/ng/ng_fragment_base.h
+++ b/third_party/WebKit/Source/core/layout/ng/ng_fragment_base.h
@@ -6,6 +6,7 @@
 #define NGFragmentBase_h
 
 #include "core/CoreExport.h"
+#include "core/layout/ng/ng_constraint_space.h"
 #include "platform/LayoutUnit.h"
 #include "platform/heap/Handle.h"
 #include "wtf/Vector.h"
@@ -16,16 +17,6 @@ class CORE_EXPORT NGFragmentBase : public GarbageCollected<NGFragmentBase> {
  public:
   enum NGFragmentType { FragmentBox = 0, FragmentText = 1 };
 
-  // TODO(eae): We might want to re-use WritingMode and Direction from style.
-  enum NGWritingMode {
-    HorizontalTopBottom = 0,
-    VerticalRightLeft = 1,
-    VerticalLeftRight = 2,
-    SidewaysRightLeft = 3,
-    SidewaysLeftRight = 4
-  };
-  enum NGDirection { LeftToRight = 0, RightToLeft = 1 };
-
   NGFragmentType type() const { return static_cast<NGFragmentType>(m_type); }
   NGWritingMode writingMode() const {
     return static_cast<NGWritingMode>(m_writingMode);