Allow certain SP recorder classes to defer their "begin" operation.

Source/core/paint/BoxPainter.cpp

Index: Source/core/paint/BoxPainter.cpp
diff --git a/Source/core/paint/BoxPainter.cpp b/Source/core/paint/BoxPainter.cpp
index 4b8298c32d0e443b430e42306c7257abb1da8df0..118fca922614a235c7ae033b2d35b3d6c6ec89b2 100644
--- a/Source/core/paint/BoxPainter.cpp
+++ b/Source/core/paint/BoxPainter.cpp
@@ -394,7 +394,7 @@ void BoxPainter::paintFillLayerExtended(LayoutBoxModelObject& obj, const PaintIn
 
     // BorderFillBox radius clipping is taken care of by BackgroundBleedClip{Only,Layer}
     bool clipToBorderRadius = hasRoundedBorder && !(isBorderFill && bleedAvoidanceIsClipping(bleedAvoidance));
-    OwnPtr<RoundedInnerRectClipper> clipToBorder;
+    RoundedInnerRectClipper clipToBorder(obj, paintInfo);
     if (clipToBorderRadius) {
         FloatRoundedRect border = isBorderFill
             ? backgroundRoundedRectAdjustedForBleedAvoidance(obj, rect, bleedAvoidance, box, boxSize, includeLeftEdge, includeRightEdge)
@@ -413,7 +413,7 @@ void BoxPainter::paintFillLayerExtended(LayoutBoxModelObject& obj, const PaintIn
             border = obj.style()->getRoundedInnerBorderFor(LayoutRect(border.rect()), includeLeftEdge, includeRightEdge);
         }
 
-        clipToBorder = adoptPtr(new RoundedInnerRectClipper(obj, paintInfo, rect, border, ApplyToContext));
+        clipToBorder.begin(rect, border, ApplyToContext);
     }
 
     int bLeft = includeLeftEdge ? obj.borderLeft() : 0;