Add keyword_subset field template and generate text-decoration-line.

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 131 matching lines @@
 enum BackgroundEdgeOrigin { kTopEdge, kRightEdge, kBottomEdge, kLeftEdge };
 
 // CSS Mask Source Types
 enum EMaskSourceType { kMaskAlpha, kMaskLuminance };
 
 // CSS3 Image Values
 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,
-  kUnderline = 0x1,
-  kOverline = 0x2,
-  kLineThrough = 0x4,
-  kBlink = 0x8
-};
-inline TextDecoration operator|(TextDecoration a, TextDecoration b) {
-  return static_cast<TextDecoration>(static_cast<unsigned>(a) |
-                                     static_cast<unsigned>(b));
-}
-inline TextDecoration& operator|=(TextDecoration& a, TextDecoration b) {
-  return a = static_cast<TextDecoration>(static_cast<unsigned>(a) |
-                                         static_cast<unsigned>(b));
-}
-inline TextDecoration& operator^=(TextDecoration& a, TextDecoration b) {
-  return a = static_cast<TextDecoration>(static_cast<unsigned>(a) ^
-                                         static_cast<unsigned>(b));
-}
-
 static const size_t kTextDecorationSkipBits = 3;
 enum class TextDecorationSkip { kNone = 0x0, kObjects = 0x1, kInk = 0x2 };
 inline TextDecorationSkip operator&(TextDecorationSkip a,
                                     TextDecorationSkip b) {
   return TextDecorationSkip(static_cast<unsigned>(a) &
                             static_cast<unsigned>(b));
 }
 inline TextDecorationSkip operator|(TextDecorationSkip a,
                                     TextDecorationSkip b) {
   return TextDecorationSkip(static_cast<unsigned>(a) |
@@ skipping 130 matching lines @@
 enum SnapAlignment {
   kSnapAlignmentNone,
   kSnapAlignmentStart,
   kSnapAlignmentEnd,
   kSnapAlignmentCenter
 };
 
 }  // namespace blink
 
 #endif  // ComputedStyleConstants_h