Move painting code out of LayoutSVGResourceClipper

Source/core/paint/SVGClipPainter.cpp

 // Copyright 2015 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/SVGClipPainter.h"
 
 #include "core/dom/ElementTraversal.h"
 #include "core/layout/svg/LayoutSVGResourceClipper.h"
 #include "core/layout/svg/SVGResources.h"
@@ skipping 42 matching lines @@
     AffineTransform animatedLocalTransform = toSVGClipPathElement(m_clip.element())->calculateAnimatedLocalTransform();
     // When drawing a clip for non-SVG elements, the CTM does not include the zoom factor.
     // In this case, we need to apply the zoom scale explicitly - but only for clips with
     // userSpaceOnUse units (the zoom is accounted for objectBoundingBox-resolved lengths).
     if (!target.isSVG() && m_clip.clipPathUnits() == SVGUnitTypes::SVG_UNIT_TYPE_USERSPACEONUSE) {
         ASSERT(m_clip.style());
         animatedLocalTransform.scale(m_clip.style()->effectiveZoom());
     }
 
     // First, try to apply the clip as a clipPath.
-    if (m_clip.tryPathOnlyClipping(target, context, animatedLocalTransform, targetBoundingBox)) {
+    Path clipPath;
+    if (m_clip.asPath(animatedLocalTransform, targetBoundingBox, clipPath)) {
         clipperState = ClipperAppliedPath;
+        if (RuntimeEnabledFeatures::slimmingPaintEnabled()) {
+            if (!context->displayItemList()->displayItemConstructionIsDisabled())
+                context->displayItemList()->createAndAppend<BeginClipPathDisplayItem>(target, clipPath);
+        } else {
+            BeginClipPathDisplayItem clipPathDisplayItem(target, clipPath);
+            clipPathDisplayItem.replay(*context);
+        }
         return true;
     }
 
     // Fall back to masking.
     clipperState = ClipperAppliedMask;
 
     // Begin compositing the clip mask.
     CompositingRecorder::beginCompositing(*context, target, SkXfermode::kSrcOver_Mode, 1, &paintInvalidationRect);
     {
         TransformRecorder recorder(*context, target, animatedLocalTransform);
@@ skipping 60 matching lines @@
         return;
 
     LayoutObjectDrawingRecorder drawingRecorder(*context, layoutObject, DisplayItem::SVGClip, targetPaintInvalidationRect);
     context->save();
     context->concatCTM(contentTransformation);
     context->drawPicture(clipContentPicture.get());
     context->restore();
 }
 
 }