Make ETextSecurity 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 1984 matching lines @@
     SET_VAR(rare_inherited_data_, tap_highlight_color_, c);
   }
 
   // -webkit-text-fill-color
   void SetTextFillColor(const StyleColor& c) {
     SET_VAR_WITH_SETTER(rare_inherited_data_, TextFillColor, SetTextFillColor,
                         c);
   }
 
   // -webkit-text-security
-  static ETextSecurity InitialTextSecurity() { return TSNONE; }
+  static ETextSecurity InitialTextSecurity() { return ETextSecurity::kNone; }
   ETextSecurity TextSecurity() const {
     return static_cast<ETextSecurity>(rare_inherited_data_->text_security_);
   }
   void SetTextSecurity(ETextSecurity a_text_security) {
-    SET_VAR(rare_inherited_data_, text_security_, a_text_security);
+    SET_VAR(rare_inherited_data_, text_security_,
+            static_cast<unsigned>(a_text_security));
   }
 
   // -webkit-text-stroke-color
   void SetTextStrokeColor(const StyleColor& c) {
     SET_VAR_WITH_SETTER(rare_inherited_data_, TextStrokeColor,
                         SetTextStrokeColor, c);
   }
 
   // -webkit-text-stroke-width
   static float InitialTextStrokeWidth() { return 0; }
@@ skipping 1798 matching lines @@
       PseudoBitsInternal() | 1 << (pseudo - kFirstPublicPseudoId)));
 }
 
 inline bool ComputedStyle::HasPseudoElementStyle() const {
   return PseudoBitsInternal() & kElementPseudoIdMask;
 }
 
 }  // namespace blink
 
 #endif  // ComputedStyle_h