[SPv2] Hookup overflow clip/scroll property nodes for normal flow

third_party/WebKit/Source/core/paint/BoxClipper.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/BoxClipper.h"
 
 #include "core/layout/LayoutBox.h"
+#include "core/paint/ObjectPaintProperties.h"
 #include "core/paint/PaintInfo.h"
 #include "core/paint/PaintLayer.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/graphics/GraphicsLayer.h"
 #include "platform/graphics/paint/ClipDisplayItem.h"
 #include "platform/graphics/paint/PaintController.h"
 
 namespace blink {
 
 BoxClipper::BoxClipper(const LayoutBox& box, const PaintInfo& paintInfo, const LayoutPoint& accumulatedOffset, ContentsClipBehavior contentsClipBehavior)
     : m_box(box)
     , m_paintInfo(paintInfo)
     , m_clipType(DisplayItem::UninitializedType)
 {
     ASSERT(m_paintInfo.phase != PaintPhaseSelfBlockBackgroundOnly && m_paintInfo.phase != PaintPhaseSelfOutlineOnly);
 
     if (m_paintInfo.phase == PaintPhaseMask)
         return;
 
+    if (RuntimeEnabledFeatures::slimmingPaintV2Enabled()) {
+        const auto* objectProperties = m_box.objectPaintProperties();
+        if (objectProperties && objectProperties->overflowClip()) {
+            PaintChunkProperties properties(paintInfo.context.paintController().currentPaintChunkProperties());
+            properties.clip = objectProperties->overflowClip();
+            m_scopedClipProperty.emplace(paintInfo.context.paintController(), properties);
+        }
+        return;
+    }
+
     bool isControlClip = m_box.hasControlClip();
     bool isOverflowOrContainmentClip = (m_box.hasOverflowClip() && !m_box.layer()->isSelfPaintingLayer())
         || m_box.style()->containsPaint();
 
     if (!isControlClip && !isOverflowOrContainmentClip)
         return;
 
     LayoutRect clipRect = isControlClip ? m_box.controlClipRect(accumulatedOffset) : m_box.overflowClipRect(accumulatedOffset);
     FloatRoundedRect clipRoundedRect(0, 0, 0, 0);
     bool hasBorderRadius = m_box.style()->hasBorderRadius();
@@ skipping 27 matching lines @@
 BoxClipper::~BoxClipper()
 {
     if (m_clipType == DisplayItem::UninitializedType)
         return;
 
     ASSERT(m_box.hasControlClip() || (m_box.hasOverflowClip() && !m_box.layer()->isSelfPaintingLayer()) || m_box.style()->containsPaint());
     m_paintInfo.context.paintController().endItem<EndClipDisplayItem>(m_box, DisplayItem::clipTypeToEndClipType(m_clipType));
 }
 
 } // namespace blink