Disentangle filter content recording state from FilterData

Source/core/paint/SVGPaintContext.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 SVGPaintContext_h
 #define SVGPaintContext_h
 
 #include "core/layout/svg/LayoutSVGResourceClipper.h"
 #include "core/layout/svg/LayoutSVGResourcePaintServer.h"
 #include "core/paint/CompositingRecorder.h"
 #include "core/paint/FloatClipRecorder.h"
 #include "core/paint/PaintInfo.h"
 #include "core/paint/SVGClipPainter.h"
+#include "core/paint/SVGFilterPainter.h"
 #include "platform/graphics/paint/ClipPathRecorder.h"
 #include "platform/transforms/AffineTransform.h"
 
 namespace blink {
 
 class LayoutObject;
 class LayoutSVGResourceFilter;
 class LayoutSVGResourceMasker;
 class SVGResources;
 
@@ skipping 43 matching lines @@
     LayoutObject* m_object;
     PaintInfo m_paintInfo;
     const PaintInfo* m_originalPaintInfo;
     LayoutSVGResourceFilter* m_filter;
     LayoutSVGResourceClipper* m_clipper;
     SVGClipPainter::ClipperState m_clipperState;
     LayoutSVGResourceMasker* m_masker;
     OwnPtr<FloatClipRecorder> m_clipRecorder;
     OwnPtr<CompositingRecorder> m_compositingRecorder;
     OwnPtr<ClipPathRecorder> m_clipPathRecorder;
+    OwnPtr<SVGFilterRecordingContext> m_filterRecordingContext;
 #if ENABLE(ASSERT)
     bool m_applyClipMaskAndFilterIfNecessaryCalled;
 #endif
 };
 
 } // namespace blink
 
 #endif // SVGPaintContext_h