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

Source/core/paint/ReplacedPainter.cpp

Index: Source/core/paint/ReplacedPainter.cpp
diff --git a/Source/core/paint/ReplacedPainter.cpp b/Source/core/paint/ReplacedPainter.cpp
index 4e01e46b9e8ba5f6bf061b2194494cb8382049fb..b96d37dd9241b3ee26abbc1940992d7b82c26206 100644
--- a/Source/core/paint/ReplacedPainter.cpp
+++ b/Source/core/paint/ReplacedPainter.cpp
@@ -56,7 +56,7 @@ void ReplacedPainter::paint(const PaintInfo& paintInfo, const LayoutPoint& paint
             return;
 
     {
-        OwnPtr<RoundedInnerRectClipper> clipper;
+        RoundedInnerRectClipper clipper(m_layoutReplaced, paintInfo);
         bool completelyClippedOut = false;
         if (m_layoutReplaced.style()->hasBorderRadius()) {
             LayoutRect borderRect = LayoutRect(adjustedPaintOffset, m_layoutReplaced.size());
@@ -73,7 +73,7 @@ void ReplacedPainter::paint(const PaintInfo& paintInfo, const LayoutPoint& paint
                         -(m_layoutReplaced.paddingLeft() + m_layoutReplaced.borderLeft())),
                     true, true);
 
-                clipper = adoptPtr(new RoundedInnerRectClipper(m_layoutReplaced, paintInfo, paintRect, roundedInnerRect, ApplyToDisplayListIfEnabled));
+                clipper.begin(paintRect, roundedInnerRect, ApplyToDisplayListIfEnabled);
             }
         }