Make TextOrientation an enum class.

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/)
  *
@@ skipping 274 matching lines @@
   kDot,
   kCircle,
   kDoubleCircle,
   kTriangle,
   kSesame,
   kCustom
 };
 
 enum class TextEmphasisPosition { kOver, kUnder };
 
-enum TextOrientation {
-  kTextOrientationMixed,
-  kTextOrientationUpright,
-  kTextOrientationSideways
-};
+enum class TextOrientation { kMixed, kUpright, kSideways };
 
 enum TextOverflow { kTextOverflowClip = 0, kTextOverflowEllipsis };
 
 enum class EImageRendering {
   kAuto,
   kOptimizeSpeed,
   kOptimizeQuality,
   kOptimizeContrast,
   kPixelated
 };
@@ skipping 124 matching lines @@
 // fraction, which leaves 20 bits for the integer part, making 1048575
 // the largest number.
 
 static const int kBorderWidthFractionalBits = 6;
 static const int kBorderWidthDenominator = 1 << kBorderWidthFractionalBits;
 static const int kMaxForBorderWidth = ((1 << 26) - 1) / kBorderWidthDenominator;
 
 }  // namespace blink
 
 #endif  // ComputedStyleConstants_h