Add a generated ComputedStyleBase class that ComputedStyle extends

third_party/WebKit/Source/core/style/ComputedStyleConstants.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 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #ifndef ComputedStyleConstants_h
 #define ComputedStyleConstants_h
 
+#include "core/ComputedStyleBaseConstants.h"
 #include <cstddef>
 
 namespace blink {
 
 // TODO(sashab): Change these enums to enum classes with an unsigned underlying
 // type. Enum classes provide better type safety, and forcing an unsigned
 // underlying type prevents msvc from interpreting enums as negative numbers.
 // See: crbug.com/628043
 
 // Sides used when drawing borders and outlines. The values should run clockwise from top.
@@ skipping 357 matching lines @@
 enum EEmptyCells {
     EmptyCellsShow, EmptyCellsHide
 };
 
 enum ECaptionSide {
     CaptionSideTop, CaptionSideBottom, CaptionSideLeft, CaptionSideRight
 };
 
 enum EListStylePosition { ListStylePositionOutside, ListStylePositionInside };
 
-// TODO(sashab): Add a static_assert when this is used in bitfields to ensure it
-// uses unsigned as the underlying type.
-enum class EVisibility : unsigned { Visible, Hidden, Collapse };
-
 enum ECursor {
     // The following must match the order in CSSValueKeywords.in.
     CURSOR_AUTO,
     CURSOR_CROSS,
     CURSOR_DEFAULT,
     CURSOR_POINTER,
     CURSOR_MOVE,
     CURSOR_VERTICAL_TEXT,
     CURSOR_CELL,
     CURSOR_CONTEXT_MENU,
@@ skipping 205 matching lines @@
 
 enum AutoRepeatType {
     NoAutoRepeat,
     AutoFill,
     AutoFit
 };
 
 } // namespace blink
 
 #endif // ComputedStyleConstants_h