Make ESpeak 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 1744 matching lines @@
   // line-height-step
   static uint8_t InitialLineHeightStep() { return 0; }
   uint8_t LineHeightStep() const {
     return rare_inherited_data_->line_height_step_;
   }
   void SetLineHeightStep(uint8_t unit) {
     SET_VAR(rare_inherited_data_, line_height_step_, unit);
   }
 
   // speak
-  static ESpeak InitialSpeak() { return kSpeakNormal; }
+  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_, s); }
+  void SetSpeak(ESpeak s) {
+    SET_VAR(rare_inherited_data_, speak_, static_cast<unsigned>(s));
+  }
 
   // tab-size
   static TabSize InitialTabSize() { return TabSize(8); }
   TabSize GetTabSize() const { return rare_inherited_data_->tab_size_; }
   void SetTabSize(TabSize size) {
     SET_VAR(rare_inherited_data_, tab_size_, size);
   }
 
   // text-align-last
   static TextAlignLast InitialTextAlignLast() { return kTextAlignLastAuto; }
@@ skipping 2041 matching lines @@
       PseudoBitsInternal() | 1 << (pseudo - kFirstPublicPseudoId)));
 }
 
 inline bool ComputedStyle::HasPseudoElementStyle() const {
   return PseudoBitsInternal() & kElementPseudoIdMask;
 }
 
 }  // namespace blink
 
 #endif  // ComputedStyle_h