Clean up forward declarations in core/rendering and core/painting

Source/core/rendering/svg/SVGRenderingContext.h

 /**
  * Copyright (C) 2007 Rob Buis <buis@kde.org>
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2009 Google, Inc.  All rights reserved.
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  * Copyright (C) 2012 Zoltan Herczeg <zherczeg@webkit.org>.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 13 matching lines @@
 
 #ifndef SVGRenderingContext_h
 #define SVGRenderingContext_h
 
 #include "core/rendering/svg/RenderSVGResourceClipper.h"
 #include "platform/transforms/AffineTransform.h"
 
 namespace blink {
 
 class RenderObject;
-class FloatRect;
 struct PaintInfo;
 class RenderSVGResourceFilter;
 class RenderSVGResourceMasker;
 
 class SubtreeContentTransformScope {
 public:
     SubtreeContentTransformScope(const AffineTransform&);
     ~SubtreeContentTransformScope();
 
 private:
@@ skipping 60 matching lines @@
     IntRect m_savedPaintRect;
     RenderSVGResourceFilter* m_filter;
     RenderSVGResourceClipper* m_clipper;
     RenderSVGResourceClipper::ClipperState m_clipperState;
     RenderSVGResourceMasker* m_masker;
 };
 
 } // namespace blink
 
 #endif // SVGRenderingContext_h