Reduce the number of ObjectPaintProperties

third_party/WebKit/Source/core/paint/PaintLayerPainter.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 "core/paint/PaintLayerPainter.h"
 
 #include "core/frame/LocalFrame.h"
 #include "core/layout/LayoutView.h"
 #include "core/paint/ClipPathClipper.h"
 #include "core/paint/FilterPainter.h"
@@ skipping 962 matching lines @@
   // filled with black.
   if (clipRecorder && phase == PaintPhaseClippingMask) {
     fillMaskingFragment(context, clipRect);
     return;
   }
 
   LayoutRect newCullRect(clipRect.rect());
   Optional<ScrollRecorder> scrollRecorder;
   LayoutPoint paintOffset = -m_paintLayer.layoutBoxLocation();
   if (RuntimeEnabledFeatures::slimmingPaintV2Enabled()) {
-    const auto* objectPaintProperties =
-        m_paintLayer.layoutObject().paintProperties();
-    DCHECK(objectPaintProperties &&
-           objectPaintProperties->localBorderBoxProperties());
     paintOffset += m_paintLayer.layoutObject().paintOffset();
     newCullRect.move(paintingInfo.scrollOffsetAccumulation);
   } else {
     paintOffset += toSize(fragment.layerBounds.location());
     if (!paintingInfo.scrollOffsetAccumulation.isZero()) {
       // As a descendant of the root layer, m_paintLayer's painting is not
       // controlled by the ScrollRecorders created by BlockPainter of the
       // ancestor layers up to the root layer, so we need to issue
       // ScrollRecorder for this layer seperately, with the scroll offset
       // accumulated from the root layer to the parent of this layer, to get the
@@ skipping 212 matching lines @@
           context, layoutObject, PaintPhaseClippingMask))
     return;
 
   IntRect snappedClipRect = pixelSnappedIntRect(clipRect.rect());
   LayoutObjectDrawingRecorder drawingRecorder(
       context, layoutObject, PaintPhaseClippingMask, snappedClipRect);
   context.fillRect(snappedClipRect, Color::black);
 }
 
 }  // namespace blink