Reduce forward declarations in core/svg

Source/core/svg/SVGPaint.h

 /*
  * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
  * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmial.com>
  * Copyright (C) Research In Motion Limited 2011. 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.
@@ skipping 12 matching lines @@
 #ifndef SVGPaint_h
 #define SVGPaint_h
 
 #include "core/css/CSSValue.h"
 #include "core/css/StyleColor.h"
 #include "platform/graphics/Color.h"
 #include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
-class ExceptionState;
-
 class SVGPaint : public CSSValue {
 public:
     enum SVGPaintType {
         SVG_PAINTTYPE_UNKNOWN,
         SVG_PAINTTYPE_RGBCOLOR,
         SVG_PAINTTYPE_RGBCOLOR_ICCCOLOR,
         SVG_PAINTTYPE_NONE,
         SVG_PAINTTYPE_CURRENTCOLOR,
         SVG_PAINTTYPE_URI_NONE,
         SVG_PAINTTYPE_URI_CURRENTCOLOR,
@@ skipping 82 matching lines @@
     SVGPaintType m_paintType;
     Color m_color;
     String m_uri;
 };
 
 DEFINE_CSS_VALUE_TYPE_CASTS(SVGPaint, isSVGPaint());
 
 } // namespace WebCore
 
 #endif // SVGPaint_h