Make ELineBreak 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 213 matching lines @@
 
 enum EWordBreak {
   kNormalWordBreak,
   kBreakAllWordBreak,
   kKeepAllWordBreak,
   kBreakWordBreak
 };
 
 enum EOverflowWrap { kNormalOverflowWrap, kBreakOverflowWrap };
 
-enum LineBreak {
-  kLineBreakAuto,
-  kLineBreakLoose,
-  kLineBreakNormal,
-  kLineBreakStrict,
-  kLineBreakAfterWhiteSpace
-};
+enum class LineBreak { kAuto, kLoose, kNormal, kStrict, kAfterWhiteSpace };
 
 enum EResize { RESIZE_NONE, RESIZE_BOTH, RESIZE_HORIZONTAL, RESIZE_VERTICAL };
 
 enum QuoteType { OPEN_QUOTE, CLOSE_QUOTE, NO_OPEN_QUOTE, NO_CLOSE_QUOTE };
 
 enum EAnimPlayState { kAnimPlayStatePlaying, kAnimPlayStatePaused };
 
 static const size_t kTextDecorationBits = 4;
 enum class TextDecoration : unsigned {
   kNone = 0x0,
@@ skipping 237 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