WIP for display item list backed by ListContainer

Source/core/layout/svg/LayoutSVGResourceClipper.cpp

Index: Source/core/layout/svg/LayoutSVGResourceClipper.cpp
diff --git a/Source/core/layout/svg/LayoutSVGResourceClipper.cpp b/Source/core/layout/svg/LayoutSVGResourceClipper.cpp
index 1f2fc9d2defec15c5bf88c975af62560a346c102..56498b789ea68e3ce35dbf91777bd94915c74dd6 100644
--- a/Source/core/layout/svg/LayoutSVGResourceClipper.cpp
+++ b/Source/core/layout/svg/LayoutSVGResourceClipper.cpp
@@ -143,13 +143,13 @@ bool LayoutSVGResourceClipper::tryPathOnlyClipping(const LayoutObject& layoutObj
     // Transform path by animatedLocalTransform.
     clipPath.transform(animatedLocalTransform);
 
-    if (RuntimeEnabledFeatures::slimmingPaintEnabled()) {
-        if (!context->displayItemList()->displayItemConstructionIsDisabled())
-            context->displayItemList()->add(BeginClipPathDisplayItem::create(layoutObject, clipPath));
-    } else {
-        BeginClipPathDisplayItem clipPathDisplayItem(layoutObject, clipPath);
-        clipPathDisplayItem.replay(*context);
-    }
+    //if (RuntimeEnabledFeatures::slimmingPaintEnabled()) {
+    //    if (!context->displayItemList()->displayItemConstructionIsDisabled())
+    //        context->displayItemList()->add(BeginClipPathDisplayItem::create(layoutObject, clipPath));
+    //} else {
+    //    BeginClipPathDisplayItem clipPathDisplayItem(layoutObject, clipPath);
+    //    clipPathDisplayItem.replay(*context);
+    //}
 
     return true;
 }