[Slimming Paint] Blink-side contiguous allocation of display items.

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 71d7acbedb40d7d782eb02f157048e53e621af5b..8335ff107408193d8abfb82bbd3cade6567b5545 100644
--- a/Source/core/layout/svg/LayoutSVGResourceClipper.cpp
+++ b/Source/core/layout/svg/LayoutSVGResourceClipper.cpp
@@ -121,11 +121,11 @@ bool LayoutSVGResourceClipper::tryPathOnlyClipping(const LayoutObject& layoutObj
     // Transform path by animatedLocalTransform.
     clipPath.transform(animatedLocalTransform);
 
+    BeginClipPathDisplayItem clipPathDisplayItem(layoutObject, clipPath);
     if (RuntimeEnabledFeatures::slimmingPaintEnabled()) {
         if (!context->displayItemList()->displayItemConstructionIsDisabled())
-            context->displayItemList()->add(BeginClipPathDisplayItem::create(layoutObject, clipPath));
+            context->displayItemList()->add(clipPathDisplayItem);
     } else {
-        BeginClipPathDisplayItem clipPathDisplayItem(layoutObject, clipPath);
         clipPathDisplayItem.replay(*context);
     }