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

third_party/WebKit/Source/core/style/ComputedStyle.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, 2011 Apple Inc. All
  * rights reserved.
  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 802 matching lines @@
 
   // shape-outside (aka -webkit-shape-outside)
   static ShapeValue* InitialShapeOutside() { return 0; }
   ShapeValue* ShapeOutside() const { return ShapeOutsideInternal().Get(); }
   void SetShapeOutside(ShapeValue* value) { SetShapeOutsideInternal(value); }
   bool ShapeOutsideDataEquivalent(const ComputedStyle& other) const {
     return DataEquivalent(ShapeOutside(), other.ShapeOutside());
   }
 
   // Text decoration properties.
-  // text-decoration-line
-  static TextDecoration InitialTextDecoration() {
-    return TextDecoration::kNone;
-  }
-  TextDecoration GetTextDecoration() const {
-    return static_cast<TextDecoration>(TextDecorationInternal());
-  }
-  void SetTextDecoration(TextDecoration v) { SetTextDecorationInternal(v); }
-
   // text-decoration-skip
   static TextDecorationSkip InitialTextDecorationSkip() {
     return TextDecorationSkip::kObjects;
   }
   TextDecorationSkip GetTextDecorationSkip() const {
     return TextDecorationSkipInternal();
   }
   void SetTextDecorationSkip(TextDecorationSkip v) {
     SetTextDecorationSkipInternal(v);
   }
@@ skipping 1809 matching lines @@
       PseudoBitsInternal() | 1 << (pseudo - kFirstPublicPseudoId)));
 }
 
 inline bool ComputedStyle::HasPseudoElementStyle() const {
   return PseudoBitsInternal() & kElementPseudoIdMask;
 }
 
 }  // namespace blink
 
 #endif  // ComputedStyle_h