Make TextOrientation 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 1739 matching lines @@
   static TextJustify InitialTextJustify() { return kTextJustifyAuto; }
   TextJustify GetTextJustify() const {
     return static_cast<TextJustify>(rare_inherited_data_->text_justify_);
   }
   void SetTextJustify(TextJustify v) {
     SET_VAR(rare_inherited_data_, text_justify_, v);
   }
 
   // text-orientation (aka -webkit-text-orientation, -epub-text-orientation)
   static TextOrientation InitialTextOrientation() {
-    return kTextOrientationMixed;
+    return TextOrientation::kMixed;
   }
   TextOrientation GetTextOrientation() const {
     return static_cast<TextOrientation>(
         rare_inherited_data_->text_orientation_);
   }
   bool SetTextOrientation(TextOrientation);
 
   // text-shadow
   static ShadowList* InitialTextShadow() { return 0; }
   ShadowList* TextShadow() const {
@@ skipping 2003 matching lines @@
 inline bool ComputedStyle::IsSharable() const {
   if (Unique())
     return false;
   if (HasUniquePseudoStyle())
     return false;
   return true;
 }
 
 inline bool ComputedStyle::SetTextOrientation(
     TextOrientation text_orientation) {
-  if (compareEqual(rare_inherited_data_->text_orientation_, text_orientation))
+  if (compareEqual(rare_inherited_data_->text_orientation_,
+                   static_cast<unsigned>(text_orientation)))
     return false;
 
-  rare_inherited_data_.Access()->text_orientation_ = text_orientation;
+  rare_inherited_data_.Access()->text_orientation_ =
+      static_cast<unsigned>(text_orientation);
   return true;
 }
 
 inline bool ComputedStyle::HasAnyPublicPseudoStyles() const {
   return PseudoBitsInternal() != kPseudoIdNone;
 }
 
 inline bool ComputedStyle::HasPseudoStyle(PseudoId pseudo) const {
   DCHECK(pseudo >= kFirstPublicPseudoId);
   DCHECK(pseudo < kFirstInternalPseudoId);
   return (1 << (pseudo - kFirstPublicPseudoId)) & PseudoBitsInternal();
 }
 
 inline void ComputedStyle::SetHasPseudoStyle(PseudoId pseudo) {
   DCHECK(pseudo >= kFirstPublicPseudoId);
   DCHECK(pseudo < kFirstInternalPseudoId);
   // TODO: Fix up this code. It is hard to understand.
   SetPseudoBitsInternal(static_cast<PseudoId>(
       PseudoBitsInternal() | 1 << (pseudo - kFirstPublicPseudoId)));
 }
 
 inline bool ComputedStyle::HasPseudoElementStyle() const {
   return PseudoBitsInternal() & kElementPseudoIdMask;
 }
 
 }  // namespace blink
 
 #endif  // ComputedStyle_h