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

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

Index: Source/core/platform/graphics/filters/FilterOperation.h
diff --git a/Source/core/platform/graphics/filters/FilterOperation.h b/Source/core/platform/graphics/filters/FilterOperation.h
index 99329e693dc5a8a24b5bfe09bc11888b8282dd0d..bcc7cfc95423df3a290e7413429d39c03614b2f6 100644
--- a/Source/core/platform/graphics/filters/FilterOperation.h
+++ b/Source/core/platform/graphics/filters/FilterOperation.h
@@ -30,6 +30,7 @@
 #include "core/platform/graphics/Color.h"
 #include "core/platform/graphics/LayoutSize.h"
 #include "core/platform/graphics/filters/FilterEffect.h"
+#include "core/platform/graphics/filters/ReferenceFilter.h"
 #include <wtf/OwnPtr.h>
 #include <wtf/PassOwnPtr.h>
 #include <wtf/RefCounted.h>
@@ -166,8 +167,8 @@ public:
     void setCachedSVGDocumentReference(PassOwnPtr<CachedSVGDocumentReference> cachedSVGDocumentReference) { m_cachedSVGDocumentReference = cachedSVGDocumentReference; }
 #endif
 
-    FilterEffect* filterEffect() const { return m_filterEffect.get(); }
-    void setFilterEffect(PassRefPtr<FilterEffect> filterEffect) { m_filterEffect = filterEffect; }
+    ReferenceFilter* filter() const { return m_filter.get(); }
+    void setFilter(PassRefPtr<ReferenceFilter> filter) { m_filter = filter; }
 
 private:
 
@@ -191,7 +192,7 @@ private:
 #if ENABLE(SVG)
     OwnPtr<CachedSVGDocumentReference> m_cachedSVGDocumentReference;
 #endif
-    RefPtr<FilterEffect> m_filterEffect;
+    RefPtr<ReferenceFilter> m_filter;
 };
 
 // GRAYSCALE, SEPIA, SATURATE and HUE_ROTATE are variations on a basic color matrix effect.