Changed TextDirection to an enum class and renamed its members

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

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NGFragmentBase_h
 #define NGFragmentBase_h
 
 #include "core/CoreExport.h"
 #include "core/layout/ng/ng_physical_fragment_base.h"
 #include "core/layout/ng/ng_writing_mode.h"
@@ skipping 30 matching lines @@
   };
 
   DECLARE_TRACE();
 
  protected:
   NGFragmentBase(NGWritingMode writing_mode,
                  TextDirection direction,
                  NGPhysicalFragmentBase* physical_fragment)
       : physical_fragment_(physical_fragment),
         writing_mode_(writing_mode),
-        direction_(direction) {}
+        direction_(static_cast<unsigned>(direction)) {}
 
   Member<NGPhysicalFragmentBase> physical_fragment_;
 
   unsigned writing_mode_ : 3;
   unsigned direction_ : 1;
 };
 
 }  // namespace blink
 
 #endif  // NGFragmentBase_h