Extracting the SVG Filter Reference implementation out of the FilterEffectRenderer into its own typ…

Source/WebCore/platform/graphics/filters/FilterOperation.h

Index: Source/WebCore/platform/graphics/filters/FilterOperation.h
diff --git a/Source/WebCore/platform/graphics/filters/FilterOperation.h b/Source/WebCore/platform/graphics/filters/FilterOperation.h
index 2b04bca1a7fb7796739e55f9aad94dbfc0c060ca..095cc0d55c199d944a10c8f87fe8a8192e338cf8 100644
--- a/Source/WebCore/platform/graphics/filters/FilterOperation.h
+++ b/Source/WebCore/platform/graphics/filters/FilterOperation.h
@@ -29,6 +29,7 @@
 #if ENABLE(CSS_FILTERS)
 
 #include "Color.h"
+#include "Filter.h"
 #include "FilterEffect.h"
 #include "LayoutSize.h"
 #include "Length.h"
@@ -170,6 +171,9 @@ public:
     void setCachedSVGDocumentReference(PassOwnPtr<CachedSVGDocumentReference> cachedSVGDocumentReference) { m_cachedSVGDocumentReference = cachedSVGDocumentReference; }
 #endif
 
+    Filter* filterRenderer() const { return m_filterRenderer.get(); }
+    void setFilterRenderer(PassRefPtr<Filter> filterRenderer) { m_filterRenderer = filterRenderer; }
+
     FilterEffect* filterEffect() const { return m_filterEffect.get(); }
     void setFilterEffect(PassRefPtr<FilterEffect> filterEffect) { m_filterEffect = filterEffect; }
 
@@ -195,6 +199,7 @@ private:
 #if ENABLE(SVG)
     OwnPtr<CachedSVGDocumentReference> m_cachedSVGDocumentReference;
 #endif
+    RefPtr<Filter> m_filterRenderer;
     RefPtr<FilterEffect> m_filterEffect;
 };