Make ETextSecurity an enum class.

third_party/WebKit/Source/modules/accessibility/AXLayoutObject.cpp

 /*
 * Copyright (C) 2008 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 946 matching lines @@
     const ComputedStyle* style = GetLayoutObject()->Style();
     if (!style)
       return String();
 
     unsigned unmasked_text_length = AXNodeObject::GetText().length();
     if (!unmasked_text_length)
       return String();
 
     UChar mask_character = 0;
     switch (style->TextSecurity()) {
-      case TSNONE:
+      case ETextSecurity::kNone:
         break;  // Fall through to the non-password branch.
-      case TSDISC:
+      case ETextSecurity::kDisc:
         mask_character = kBulletCharacter;
         break;
-      case TSCIRCLE:
+      case ETextSecurity::kCircle:
         mask_character = kWhiteBulletCharacter;
         break;
-      case TSSQUARE:
+      case ETextSecurity::kSquare:
         mask_character = kBlackSquareCharacter;
         break;
     }
     if (mask_character) {
       StringBuilder masked_text;
       masked_text.ReserveCapacity(unmasked_text_length);
       for (unsigned i = 0; i < unmasked_text_length; ++i)
         masked_text.Append(mask_character);
       return masked_text.ToString();
     }
@@ skipping 1526 matching lines @@
 
 bool AXLayoutObject::ElementAttributeValue(
     const QualifiedName& attribute_name) const {
   if (!layout_object_)
     return false;
 
   return EqualIgnoringASCIICase(GetAttribute(attribute_name), "true");
 }
 
 }  // namespace blink