Make TextIndentLine an enum class.

third_party/WebKit/Source/core/css/resolver/StyleBuilderCustom.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc.
  * All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved.
@@ skipping 468 matching lines @@
   TextIndentType text_indent_type_value =
       ComputedStyle::InitialTextIndentType();
 
   for (auto& list_value : ToCSSValueList(value)) {
     if (list_value->IsPrimitiveValue()) {
       length_or_percentage_value =
           ToCSSPrimitiveValue(*list_value)
               .ConvertToLength(state.CssToLengthConversionData());
     } else if (ToCSSIdentifierValue(*list_value).GetValueID() ==
                CSSValueEachLine) {
-      text_indent_line_value = kTextIndentEachLine;
+      text_indent_line_value = TextIndentLine::kEachLine;
     } else if (ToCSSIdentifierValue(*list_value).GetValueID() ==
                CSSValueHanging) {
       text_indent_type_value = kTextIndentHanging;
     } else {
       NOTREACHED();
     }
   }
 
   state.Style()->SetTextIndent(length_or_percentage_value);
   state.Style()->SetTextIndentLine(text_indent_line_value);
@@ skipping 487 matching lines @@
     state.Style()->SetCaretColor(
         StyleBuilderConverter::ConvertStyleAutoColor(state, value));
   }
   if (state.ApplyPropertyToVisitedLinkStyle()) {
     state.Style()->SetVisitedLinkCaretColor(
         StyleBuilderConverter::ConvertStyleAutoColor(state, value, true));
   }
 }
 
 }  // namespace blink