Remove Dashboard support and supporting files.

Source/WebCore/rendering/style/StyleDashboardRegion.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 StyleDashboardRegion_h
-#define StyleDashboardRegion_h
-#if ENABLE(DASHBOARD_SUPPORT)
-
-#include "LengthBox.h"
-#include <wtf/text/WTFString.h>
-
-namespace WebCore {
-
-// Dashboard region attributes. Not inherited.
-
-struct StyleDashboardRegion {
-    String label;
-    LengthBox offset;
-    int type;
-
-    enum {
-        None,
-        Circle,
-        Rectangle
-    };
-
-    bool operator==(const StyleDashboardRegion& o) const
-    {
-        return type == o.type && offset == o.offset && label == o.label;
-    }
-
-    bool operator!=(const StyleDashboardRegion& o) const
-    {
-        return !(*this == o);
-    }
-};
-
-} // namespace WebCore
-
-#endif // ENABLE(DASHBOARD_SUPPORT)
-#endif // StyleDashboardRegion_h