Make TextIndentLine an enum class.

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 1646 matching lines @@
   static TextCombine InitialTextCombine() { return kTextCombineNone; }
   TextCombine GetTextCombine() const {
     return static_cast<TextCombine>(rare_inherited_data_->text_combine_);
   }
   void SetTextCombine(TextCombine v) {
     SET_VAR(rare_inherited_data_, text_combine_, v);
   }
 
   // text-indent
   static Length InitialTextIndent() { return Length(kFixed); }
-  static TextIndentLine InitialTextIndentLine() { return kTextIndentFirstLine; }
+  static TextIndentLine InitialTextIndentLine() {
+    return TextIndentLine::kFirstLine;
+  }
   static TextIndentType InitialTextIndentType() { return kTextIndentNormal; }
   const Length& TextIndent() const {
     return rare_inherited_data_->text_indent_;
   }
   TextIndentLine GetTextIndentLine() const {
     return static_cast<TextIndentLine>(rare_inherited_data_->text_indent_line_);
   }
   TextIndentType GetTextIndentType() const {
     return static_cast<TextIndentType>(rare_inherited_data_->text_indent_type_);
   }
   void SetTextIndent(const Length& v) {
     SET_VAR(rare_inherited_data_, text_indent_, v);
   }
   void SetTextIndentLine(TextIndentLine v) {
-    SET_VAR(rare_inherited_data_, text_indent_line_, v);
+    SET_VAR(rare_inherited_data_, text_indent_line_, static_cast<unsigned>(v));
   }
   void SetTextIndentType(TextIndentType v) {
     SET_VAR(rare_inherited_data_, text_indent_type_, v);
   }
 
   // text-justify
   static TextJustify InitialTextJustify() { return kTextJustifyAuto; }
   TextJustify GetTextJustify() const {
     return static_cast<TextJustify>(rare_inherited_data_->text_justify_);
   }
@@ skipping 2052 matching lines @@
       PseudoBitsInternal() | 1 << (pseudo - kFirstPublicPseudoId)));
 }
 
 inline bool ComputedStyle::HasPseudoElementStyle() const {
   return PseudoBitsInternal() & kElementPseudoIdMask;
 }
 
 }  // namespace blink
 
 #endif  // ComputedStyle_h