Drop unused includes from SVGLayoutStyle.h

Source/core/layout/style/SVGLayoutStyle.h

 /*
     Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
                   2004, 2005 Rob Buis <buis@kde.org>
     Copyright (C) 2005, 2006 Apple Computer, Inc.
     Copyright (C) Research In Motion Limited 2010. 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.
 */
 
 #ifndef SVGLayoutStyle_h
 #define SVGLayoutStyle_h
 
-#include "bindings/core/v8/ExceptionStatePlaceholder.h"
-#include "core/css/CSSValueList.h"
 #include "core/layout/style/DataRef.h"
 #include "core/layout/style/LayoutStyleConstants.h"
 #include "core/layout/style/SVGLayoutStyleDefs.h"
 #include "core/layout/style/StyleDifference.h"
 #include "platform/Length.h"
 #include "platform/graphics/GraphicsTypes.h"
 #include "platform/graphics/Path.h"
 
 namespace blink {
 
@@ skipping 425 matching lines @@
         svg_noninherited_flags.f._baselineShift = initialBaselineShift();
         svg_noninherited_flags.f._vectorEffect = initialVectorEffect();
         svg_noninherited_flags.f.bufferedRendering = initialBufferedRendering();
         svg_noninherited_flags.f.maskType = initialMaskType();
     }
 };
 
 } // namespace blink
 
 #endif // SVGLayoutStyle_h