Refactor PaintChunkProperties to use PropertyTreeState

third_party/WebKit/Source/core/paint/BlockPainter.cpp

Index: third_party/WebKit/Source/core/paint/BlockPainter.cpp
diff --git a/third_party/WebKit/Source/core/paint/BlockPainter.cpp b/third_party/WebKit/Source/core/paint/BlockPainter.cpp
index 18a0c334946fd12ac48a84d9b40eeabdf98505d7..f4c99ed35b72da4c3626386d5d2f3d46dadf99b3 100644
--- a/third_party/WebKit/Source/core/paint/BlockPainter.cpp
+++ b/third_party/WebKit/Source/core/paint/BlockPainter.cpp
@@ -208,8 +208,8 @@ void BlockPainter::paintObject(const PaintInfo& paintInfo,
                                             .currentPaintChunkProperties());
         auto* scrollTranslation = objectProperties->scrollTranslation();
         DCHECK(scrollTranslation);
-        properties.transform = scrollTranslation;
-        properties.scroll = scroll;
+        properties.propertyTreeState.setTransform(scrollTranslation);
+        properties.propertyTreeState.setScroll(scroll);
         m_scopedScrollProperty.emplace(
             paintInfo.context.getPaintController(), m_layoutBlock,
             DisplayItem::paintPhaseToDrawingType(paintPhase), properties);