Make TextAlignLast 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 1684 matching lines @@
   // speak
   static ESpeak InitialSpeak() { return ESpeak::kNormal; }
   ESpeak Speak() const {
     return static_cast<ESpeak>(rare_inherited_data_->speak_);
   }
   void SetSpeak(ESpeak s) {
     SET_VAR(rare_inherited_data_, speak_, static_cast<unsigned>(s));
   }
 
   // text-align-last
-  static TextAlignLast InitialTextAlignLast() { return kTextAlignLastAuto; }
+  static TextAlignLast InitialTextAlignLast() { return TextAlignLast::kAuto; }
   TextAlignLast GetTextAlignLast() const {
     return static_cast<TextAlignLast>(rare_inherited_data_->text_align_last_);
   }
   void SetTextAlignLast(TextAlignLast v) {
-    SET_VAR(rare_inherited_data_, text_align_last_, v);
+    SET_VAR(rare_inherited_data_, text_align_last_, static_cast<unsigned>(v));
   }
 
   // text-combine-upright (aka -webkit-text-combine, -epub-text-combine)
   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);
   }
@@ skipping 2085 matching lines @@
       PseudoBitsInternal() | 1 << (pseudo - kFirstPublicPseudoId)));
 }
 
 inline bool ComputedStyle::HasPseudoElementStyle() const {
   return PseudoBitsInternal() & kElementPseudoIdMask;
 }
 
 }  // namespace blink
 
 #endif  // ComputedStyle_h