--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/rendering/style/StyleBoxData.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org)
+ * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
+ *
+ * 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.
+ *
+ */
+
+#include "config.h"
+#include "StyleBoxData.h"
+
+#include "RenderStyle.h"
+#include "RenderStyleConstants.h"
+
+namespace WebCore {
+
+StyleBoxData::StyleBoxData()
+    : m_minWidth(RenderStyle::initialMinSize())
+    , m_maxWidth(RenderStyle::initialMaxSize())
+    , m_minHeight(RenderStyle::initialMinSize())
+    , m_maxHeight(RenderStyle::initialMaxSize())
+    , m_zIndex(0)
+    , m_hasAutoZIndex(true)
+    , m_boxSizing(CONTENT_BOX)
+{
+}
+
+StyleBoxData::StyleBoxData(const StyleBoxData& o)
+    : RefCounted<StyleBoxData>()
+    , m_width(o.m_width)
+    , m_height(o.m_height)
+    , m_minWidth(o.m_minWidth)
+    , m_maxWidth(o.m_maxWidth)
+    , m_minHeight(o.m_minHeight)
+    , m_maxHeight(o.m_maxHeight)
+    , m_zIndex(o.m_zIndex)
+    , m_hasAutoZIndex(o.m_hasAutoZIndex)
+    , m_boxSizing(o.m_boxSizing)
+{
+}
+
+bool StyleBoxData::operator==(const StyleBoxData& o) const
+{
+    return m_width == o.m_width
+           && m_height == o.m_height
+           && m_minWidth == o.m_minWidth
+           && m_maxWidth == o.m_maxWidth
+           && m_minHeight == o.m_minHeight
+           && m_maxHeight == o.m_maxHeight
+           && m_zIndex == o.m_zIndex
+           && m_hasAutoZIndex == o.m_hasAutoZIndex
+           && m_boxSizing == o.m_boxSizing;
+}
+
+} // namespace WebCore