Store border-*-color on SurroundData in ComputedStyle not BorderColorAndStyle

third_party/WebKit/Source/core/style/BorderColorAndStyle.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 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
- * 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 BorderColorAndStyle_h
-#define BorderColorAndStyle_h
-
-#include "core/css/StyleColor.h"
-#include "core/style/ComputedStyleConstants.h"
-#include "platform/graphics/Color.h"
-#include "platform/wtf/Allocator.h"
-
-namespace blink {
-
-class BorderColorAndStyle {
-  DISALLOW_NEW();
-  friend class ComputedStyle;
-
- public:
-  BorderColorAndStyle()
-      : color_(0),
-        color_is_current_color_(true),
-        style_(kBorderStyleNone),
-        is_auto_(kOutlineIsAutoOff) {}
-
-  bool NonZero() const { return (style_ != kBorderStyleNone); }
-
-  bool IsTransparent() const {
-    return !color_is_current_color_ && !color_.Alpha();
-  }
-
-  bool operator==(const BorderColorAndStyle& o) const {
-    return style_ == o.style_ && color_ == o.color_ &&
-           color_is_current_color_ == o.color_is_current_color_;
-  }
-
-  // The default width is 3px, but if the style is none we compute a value of 0
-  // (in ComputedStyle itself)
-  bool VisuallyEqual(const BorderColorAndStyle& o) const {
-    if (style_ == kBorderStyleNone && o.style_ == kBorderStyleNone)
-      return true;
-    if (style_ == kBorderStyleHidden && o.style_ == kBorderStyleHidden)
-      return true;
-    return *this == o;
-  }
-
-  bool operator!=(const BorderColorAndStyle& o) const { return !(*this == o); }
-
-  void SetColor(const StyleColor& color) {
-    color_ = color.Resolve(Color());
-    color_is_current_color_ = color.IsCurrentColor();
-  }
-
-  StyleColor GetColor() const {
-    return color_is_current_color_ ? StyleColor::CurrentColor()
-                                   : StyleColor(color_);
-  }
-
-  EBorderStyle Style() const { return static_cast<EBorderStyle>(style_); }
-  void SetStyle(EBorderStyle style) { style_ = style; }
-
-  OutlineIsAuto IsAuto() const { return static_cast<OutlineIsAuto>(is_auto_); }
-  void SetIsAuto(OutlineIsAuto is_auto) { is_auto_ = is_auto; }
-
-  bool ColorIsCurrentColor() const { return color_is_current_color_; }
-  void SetColorIsCurrentColor(bool color_is_current_color) {
-    color_is_current_color_ = static_cast<unsigned>(color_is_current_color);
-  }
-
- protected:
-  Color color_;
-  unsigned color_is_current_color_ : 1;
-
-  unsigned style_ : 4;  // EBorderStyle
-
-  // This is only used by OutlineValue but moved here to keep the bits packed.
-  unsigned is_auto_ : 1;  // OutlineIsAuto
-};
-
-}  // namespace blink
-
-#endif  // BorderColorAndStyle_h