Refactor PaintChunkProperties to use PropertyTreeState

third_party/WebKit/Source/core/paint/ScrollableAreaPainter.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/ScrollableAreaPainter.h"
 
 #include "core/layout/LayoutView.h"
 #include "core/page/Page.h"
 #include "core/paint/LayoutObjectDrawingRecorder.h"
 #include "core/paint/ObjectPaintProperties.h"
@@ skipping 148 matching lines @@
                             DisplayItem::kClipLayerOverflowControls, clipRect);
 
   {
     Optional<ScopedPaintChunkProperties> scopedTransformProperty;
     if (RuntimeEnabledFeatures::slimmingPaintV2Enabled()) {
       const auto* objectProperties =
           getScrollableArea().box().paintProperties();
       if (objectProperties && objectProperties->scrollbarPaintOffset()) {
         PaintChunkProperties properties(
             context.getPaintController().currentPaintChunkProperties());
-        properties.transform = objectProperties->scrollbarPaintOffset();
+        properties.propertyTreeState.setTransform(
+            objectProperties->scrollbarPaintOffset());
         scopedTransformProperty.emplace(
             context.getPaintController(), getScrollableArea().box(),
             DisplayItem::kScrollOverflowControls, properties);
       }
     }
     if (getScrollableArea().horizontalScrollbar() &&
         !getScrollableArea().layerForHorizontalScrollbar()) {
       TransformRecorder translateRecorder(
           context, *getScrollableArea().horizontalScrollbar(),
           AffineTransform::translation(adjustedPaintOffset.x(),
@@ skipping 74 matching lines @@
   LayoutObjectDrawingRecorder recorder(context, getScrollableArea().box(),
                                        DisplayItem::kScrollbarCorner, absRect);
   context.fillRect(absRect, Color::white);
 }
 
 PaintLayerScrollableArea& ScrollableAreaPainter::getScrollableArea() const {
   return *m_scrollableArea;
 }
 
 }  // namespace blink