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

Source/core/paint/SVGShapePainter.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "core/paint/SVGShapePainter.h"
 
 #include "core/layout/svg/LayoutSVGPath.h"
 #include "core/layout/svg/LayoutSVGResourceMarker.h"
 #include "core/layout/svg/LayoutSVGShape.h"
@@ skipping 194 matching lines @@
     ASSERT(markerElement);
     if (markerElement->hasAttribute(SVGNames::viewBoxAttr) && markerElement->viewBox()->currentValue()->isValid() && markerElement->viewBox()->currentValue()->value().isEmpty())
         return;
 
     {
         DisplayItemListContextRecorder contextRecorder(*paintInfo.context);
         PaintInfo markerPaintInfo(paintInfo);
         markerPaintInfo.context = &contextRecorder.context();
 
         TransformRecorder transformRecorder(*markerPaintInfo.context, marker, marker.markerTransformation(position.origin, position.angle, strokeWidth));
-        OwnPtr<FloatClipRecorder> clipRecorder;
+        FloatClipRecorder clipRecorder(*markerPaintInfo.context, marker, markerPaintInfo.phase);
         if (SVGLayoutSupport::isOverflowHidden(&marker))
-            clipRecorder = adoptPtr(new FloatClipRecorder(*markerPaintInfo.context, marker, markerPaintInfo.phase, marker.viewport()));
+            clipRecorder.begin(marker.viewport());
 
         SVGContainerPainter(marker).paint(markerPaintInfo);
     }
 }
 
 void SVGShapePainter::strokeZeroLengthLineCaps(GraphicsContext* context, const SkPaint& strokePaint)
 {
     const Vector<FloatPoint>* zeroLengthLineCaps = m_layoutSVGShape.zeroLengthLineCaps();
     if (!zeroLengthLineCaps || zeroLengthLineCaps->isEmpty())
         return;
@@ skipping 17 matching lines @@
         // This open-codes LayoutSVGShape::nonScalingStrokePath, because the
         // requirements here differ (we have a temporary path that we can
         // mutate.)
         if (m_layoutSVGShape.hasNonScalingStroke())
             tempPath.transform(nonScalingTransform);
         context->drawPath(tempPath.skPath(), fillPaint);
     }
 }
 
 } // namespace blink