Make TextDecorationSkip an enum class.

third_party/WebKit/Source/core/css/ComputedStyleCSSValueMapping.cpp

 /*
  * Copyright (C) 2004 Zack Rusin <zack@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc.
  * All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007 Nicholas Shanks <webkit@nickshanks.com>
  * Copyright (C) 2011 Sencha, Inc. All rights reserved.
  * Copyright (C) 2015 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 1156 matching lines @@
       return CSSIdentifierValue::Create(CSSValueWavy);
   }
 
   NOTREACHED();
   return CSSInitialValue::Create();
 }
 
 static CSSValue* ValueForTextDecorationSkip(
     TextDecorationSkip text_decoration_skip) {
   CSSValueList* list = CSSValueList::CreateSpaceSeparated();
-  if (text_decoration_skip & kTextDecorationSkipObjects)
+  if (EnumHasFlags(text_decoration_skip, TextDecorationSkip::kObjects))
     list->Append(*CSSIdentifierValue::Create(CSSValueObjects));
-  if (text_decoration_skip & kTextDecorationSkipInk)
+  if (EnumHasFlags(text_decoration_skip, TextDecorationSkip::kInk))
     list->Append(*CSSIdentifierValue::Create(CSSValueInk));
 
   DCHECK(list->length());
   return list;
 }
 
 static CSSValue* TouchActionFlagsToCSSValue(TouchAction touch_action) {
   CSSValueList* list = CSSValueList::CreateSpaceSeparated();
   if (touch_action == TouchAction::kTouchActionAuto) {
     list->Append(*CSSIdentifierValue::Create(CSSValueAuto));
@@ skipping 2563 matching lines @@
     case CSSPropertyAll:
       return nullptr;
     default:
       break;
   }
   NOTREACHED();
   return nullptr;
 }
 
 }  // namespace blink