Generate storage for -webkit-box-direction in ComputedStyleBase

third_party/WebKit/Source/core/style/ComputedStyleConstants.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights
  * reserved.
  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
  *
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 // CSS Mask Source Types
 enum EMaskSourceType { MaskAlpha, MaskLuminance };
 
 // Deprecated Flexible Box Properties
 
 enum EBoxPack { BoxPackStart, BoxPackCenter, BoxPackEnd, BoxPackJustify };
 enum EBoxAlignment { BSTRETCH, BSTART, BCENTER, BEND, BBASELINE };
 enum EBoxOrient { HORIZONTAL, VERTICAL };
 enum EBoxLines { SINGLE, MULTIPLE };
-enum class EBoxDirection : unsigned { Normal, Reverse };
 
 // CSS3 Flexbox Properties
 
 enum EFlexDirection { FlowRow, FlowRowReverse, FlowColumn, FlowColumnReverse };
 enum EFlexWrap { FlexNoWrap, FlexWrap, FlexWrapReverse };
 
 enum ETextSecurity { TSNONE, TSDISC, TSCIRCLE, TSSQUARE };
 
 // CSS3 User Modify Properties
 
@@ skipping 470 matching lines @@
   ScrollSnapTypeNone,
   ScrollSnapTypeMandatory,
   ScrollSnapTypeProximity
 };
 
 enum AutoRepeatType { NoAutoRepeat, AutoFill, AutoFit };
 
 }  // namespace blink
 
 #endif  // ComputedStyleConstants_h