Blink-side contiguous allocation of display items.

Source/core/paint/SVGClipPainter.cpp

Index: Source/core/paint/SVGClipPainter.cpp
diff --git a/Source/core/paint/SVGClipPainter.cpp b/Source/core/paint/SVGClipPainter.cpp
index 6f213c207e11604657b6e6c28af73fcca4e8fc53..7496877b253ba4f98d614fffce8f9505c646e372 100644
--- a/Source/core/paint/SVGClipPainter.cpp
+++ b/Source/core/paint/SVGClipPainter.cpp
@@ -101,9 +101,8 @@ void SVGClipPainter::postApplyStatefulResource(const LayoutObject& target, Graph
     case ClipperAppliedPath:
         // Path-only clipping, no layers to restore but we need to emit an end to the clip path display item.
         if (RuntimeEnabledFeatures::slimmingPaintEnabled()) {
-            if (context->displayItemList()->displayItemConstructionIsDisabled())
-                return;
-            context->displayItemList()->add(EndClipPathDisplayItem::create(target));
+            if (!context->displayItemList()->displayItemConstructionIsDisabled())
+                context->displayItemList()->createAndAppendIfNeeded<EndClipPathDisplayItem>(target);
         } else {
             EndClipPathDisplayItem endClipPathDisplayItem(target);
             endClipPathDisplayItem.replay(*context);