Store border-*-style on SurroundData in ComputedStyle

third_party/WebKit/Source/core/style/BorderData.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 BorderData_h
 #define BorderData_h
 
-#include "core/style/BorderStyle.h"
 #include "core/style/NinePieceImage.h"
 #include "platform/LengthSize.h"
 #include "platform/geometry/IntRect.h"
 #include "platform/wtf/Allocator.h"
 
 namespace blink {
 
 class BorderData {
   DISALLOW_NEW();
   friend class ComputedStyle;
 
  public:
   BorderData() {}
 
-  bool HasBorder() const {
-    return left_.NonZero() || right_.NonZero() || top_.NonZero() ||
-           bottom_.NonZero();
-  }
-
   bool HasBorderFill() const { return image_.HasImage() && image_.Fill(); }
 
-  bool operator==(const BorderData& o) const {
-    return left_ == o.left_ && right_ == o.right_ && top_ == o.top_ &&
-           bottom_ == o.bottom_ && image_ == o.image_;
-  }
+  bool operator==(const BorderData& o) const { return image_ == o.image_; }
 
-  bool VisuallyEqual(const BorderData& o) const {
-    return left_.VisuallyEqual(o.left_) && right_.VisuallyEqual(o.right_) &&
-           top_.VisuallyEqual(o.top_) && bottom_.VisuallyEqual(o.bottom_) &&
-           image_ == o.image_;
-  }
+  bool VisuallyEqual(const BorderData& o) const { return image_ == o.image_; }
 
   bool VisualOverflowEqual(const BorderData& o) const {
     return image_.Outset() == o.image_.Outset();
   }
 
   bool operator!=(const BorderData& o) const { return !(*this == o); }
 
-  const BorderStyle& Left() const { return left_; }
-  const BorderStyle& Right() const { return right_; }
-  const BorderStyle& Top() const { return top_; }
-  const BorderStyle& Bottom() const { return bottom_; }
 
   const NinePieceImage& GetImage() const { return image_; }
 
  private:
-  BorderStyle left_;
-  BorderStyle right_;
-  BorderStyle top_;
-  BorderStyle bottom_;
-
   NinePieceImage image_;
 };
 
 }  // namespace blink
 
 #endif  // BorderData_h