Make PageSizeType 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 1424 matching lines @@
   const FloatSize& PageSize() const {
     return rare_non_inherited_data_->page_size_;
   }
   PageSizeType GetPageSizeType() const {
     return static_cast<PageSizeType>(rare_non_inherited_data_->page_size_type_);
   }
   void SetPageSize(const FloatSize& s) {
     SET_VAR(rare_non_inherited_data_, page_size_, s);
   }
   void SetPageSizeType(PageSizeType t) {
-    SET_VAR(rare_non_inherited_data_, page_size_type_, t);
+    SET_VAR(rare_non_inherited_data_, page_size_type_,
+            static_cast<unsigned>(t));
   }
 
   // Text decoration properties.
   // text-decoration-line
   static TextDecoration InitialTextDecoration() {
     return TextDecoration::kNone;
   }
   TextDecoration GetTextDecoration() const {
     return static_cast<TextDecoration>(TextDecorationInternal());
   }
@@ skipping 1589 matching lines @@
     return Direction() == TextDirection::kLtr;
   }
 
   // Perspective utility functions.
   bool HasPerspective() const {
     return rare_non_inherited_data_->perspective_ > 0;
   }
 
   // Page size utility functions.
   void ResetPageSizeType() {
-    SET_VAR(rare_non_inherited_data_, page_size_type_, PAGE_SIZE_AUTO);
+    SET_VAR(rare_non_inherited_data_, page_size_type_,
+            static_cast<unsigned>(PageSizeType::kAuto));
   }
 
   // Outline utility functions.
   bool HasOutline() const {
     return OutlineWidth() > 0 && OutlineStyle() > EBorderStyle::kHidden;
   }
   int OutlineOutsetExtent() const;
   float GetOutlineStrokeWidthForFocusRing() const;
   bool HasOutlineWithCurrentColor() const {
     return HasOutline() && OutlineColor().IsCurrentColor();
@@ skipping 740 matching lines @@
       PseudoBitsInternal() | 1 << (pseudo - kFirstPublicPseudoId)));
 }
 
 inline bool ComputedStyle::HasPseudoElementStyle() const {
   return PseudoBitsInternal() & kElementPseudoIdMask;
 }
 
 }  // namespace blink
 
 #endif  // ComputedStyle_h