Move scroll paint property nodes to be owned by the transform tree

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

Index: third_party/WebKit/Source/core/paint/FramePainter.cpp
diff --git a/third_party/WebKit/Source/core/paint/FramePainter.cpp b/third_party/WebKit/Source/core/paint/FramePainter.cpp
index 5a62f2613f6d7a56c6a14e6f9c96992601257b94..20dc935cca7e839d66904f78c61840724ab75510 100644
--- a/third_party/WebKit/Source/core/paint/FramePainter.cpp
+++ b/third_party/WebKit/Source/core/paint/FramePainter.cpp
@@ -103,10 +103,6 @@ void FramePainter::paint(GraphicsContext& context,
         properties.propertyTreeState.setClip(
             m_frameView->contentClip()->parent());
         properties.propertyTreeState.setEffect(contentsState->effect());
-        auto* scrollBarScroll = contentsState->scroll();
-        if (m_frameView->scroll())
-          scrollBarScroll = m_frameView->scroll()->parent();
-        properties.propertyTreeState.setScroll(scrollBarScroll);

[chrishtr, 2017/01/26 21:22:58]

Did this functionality get replaced?

[pdr., 2017/01/27 20:09:32]

This shouldn't have been used. It was for painting scrollbars which don't need
scroll nodes.

         scopedPaintChunkProperties.emplace(context.getPaintController(),
                                            *frameView().layoutView(),
                                            properties);