Merge two determineFilterPrimitiveSubregion implementations

Source/core/rendering/svg/RenderSVGResourceFilter.cpp

Index: Source/core/rendering/svg/RenderSVGResourceFilter.cpp
diff --git a/Source/core/rendering/svg/RenderSVGResourceFilter.cpp b/Source/core/rendering/svg/RenderSVGResourceFilter.cpp
index f01b33aa14916a26c6ef7b70ce7d5b5df09e8433..8d44c5cd4deac92629669c90cf7cb4532e19e2b9 100644
--- a/Source/core/rendering/svg/RenderSVGResourceFilter.cpp
+++ b/Source/core/rendering/svg/RenderSVGResourceFilter.cpp
@@ -206,13 +206,13 @@ bool RenderSVGResourceFilter::applyResource(RenderObject* object, RenderStyle*,
     if (!lastEffect)
         return false;
 
-    RenderSVGResourceFilterPrimitive::determineFilterPrimitiveSubregion(lastEffect);
+    lastEffect->determineFilterPrimitiveSubregion(ClipToFilterRegion);
     FloatRect subRegion = lastEffect->maxEffectRect();
     // At least one FilterEffect has a too big image size,
     // recalculate the effect sizes with new scale factors.
     if (!fitsInMaximumImageSize(subRegion.size(), scale)) {
         filterData->filter->setFilterResolution(scale);
-        RenderSVGResourceFilterPrimitive::determineFilterPrimitiveSubregion(lastEffect);
+        lastEffect->determineFilterPrimitiveSubregion(ClipToFilterRegion);
     }
 
     // If the drawingRegion is empty, we have something like <g filter=".."/>.