Move StyleBoxData.h to a nested class in ComputedStyle.

third_party/WebKit/Source/core/style/StyleBoxData.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 StyleBoxData_h
-#define StyleBoxData_h
-
-#include "core/CoreExport.h"
-#include "core/style/ComputedStyleConstants.h"
-#include "platform/Length.h"
-#include "platform/wtf/PassRefPtr.h"
-#include "platform/wtf/RefCounted.h"
-
-namespace blink {
-
-// TODO(sashab): Move this into a private class on ComputedStyle, and remove
-// all methods on it, merging them into copy/creation methods on ComputedStyle
-// instead. Keep the allocation logic, only allocating a new object if needed.
-class CORE_EXPORT StyleBoxData : public RefCountedCopyable<StyleBoxData> {
- public:
-  static PassRefPtr<StyleBoxData> Create() {
-    return AdoptRef(new StyleBoxData);
-  }
-  PassRefPtr<StyleBoxData> Copy() const {
-    return AdoptRef(new StyleBoxData(*this));
-  }
-
-  bool operator==(const StyleBoxData& other) const {
-    return width_ == other.width_ && height_ == other.height_ &&
-           min_width_ == other.min_width_ && max_width_ == other.max_width_ &&
-           min_height_ == other.min_height_ &&
-           max_height_ == other.max_height_ &&
-           vertical_align_length_ == other.vertical_align_length_ &&
-           z_index_ == other.z_index_ &&
-           has_auto_z_index_ == other.has_auto_z_index_ &&
-           box_sizing_ == other.box_sizing_ &&
-           box_decoration_break_ == other.box_decoration_break_;
-  }
-  bool operator!=(const StyleBoxData& o) const { return !(*this == o); }
-
- private:
-  friend class ComputedStyle;
-
-  StyleBoxData()
-      : width_(Length()),
-        height_(Length()),
-        min_width_(Length()),
-        max_width_(Length(kMaxSizeNone)),
-        min_height_(Length()),
-        max_height_(Length(kMaxSizeNone)),
-        z_index_(0),
-        has_auto_z_index_(static_cast<unsigned>(true)),
-        box_sizing_(static_cast<unsigned>(EBoxSizing::kContentBox)),
-        box_decoration_break_(
-            static_cast<unsigned>(EBoxDecorationBreak::kSlice)) {}
-
-  StyleBoxData(const StyleBoxData&) = default;
-
-  Length width_;
-  Length height_;
-
-  Length min_width_;
-  Length max_width_;
-
-  Length min_height_;
-  Length max_height_;
-
-  Length vertical_align_length_;
-
-  int z_index_;
-  unsigned has_auto_z_index_ : 1;
-  unsigned box_sizing_ : 1;            // EBoxSizing
-  unsigned box_decoration_break_ : 1;  // EBoxDecorationBreak
-};
-
-}  // namespace blink
-
-#endif  // StyleBoxData_h