Expose scroll customization for touch to JS (behind REF).

LayoutTests/TestExpectations

Index: LayoutTests/TestExpectations
diff --git a/LayoutTests/TestExpectations b/LayoutTests/TestExpectations
index aad73d6f3e5557264d559b317d314c73d5f62bb6..a126c26e365362e7e07e91085d574aed275cafec 100644
--- a/LayoutTests/TestExpectations
+++ b/LayoutTests/TestExpectations
@@ -1602,6 +1602,18 @@ crbug.com/473632 fast/dom/Geolocation/success-clear-watch.html [ Pass Timeout ]
 
 crbug.com/473718 http/tests/navigation/beacon-cross-origin-redirect.html [ Pass Failure ]
 
+crbug.com/410974 fast/scroll-behavior/scroll-customization/scrollstate-basic.html [ Pass Failure ]
+crbug.com/410974 fast/scroll-behavior/scroll-customization/scrollstate-consume-deltas.html [ Pass Failure ]
+crbug.com/410974 fast/scroll-behavior/scroll-customization/scrollstate-consume-deltas-throw.html [ Pass Failure ]
+crbug.com/410974 fast/scroll-behavior/scroll-customization/scrollstate-distribute-to-scroll-chain-descendant.html [ Pass Failure ]
+crbug.com/410974 fast/scroll-behavior/scroll-customization/touch-scroll-customization.html [ Pass Failure ]
+
+crbug.com/410974 virtual/threaded/fast/scroll-behavior/scroll-customization/scrollstate-basic.html [ Pass Failure ]
+crbug.com/410974 virtual/threaded/fast/scroll-behavior/scroll-customization/scrollstate-consume-deltas.html [ Pass Failure ]
+crbug.com/410974 virtual/threaded/fast/scroll-behavior/scroll-customization/scrollstate-consume-deltas-throw.html [ Pass Failure ]
+crbug.com/410974 virtual/threaded/fast/scroll-behavior/scroll-customization/scrollstate-distribute-to-scroll-chain-descendant.html [ Pass Failure ]
+crbug.com/410974 virtual/threaded/fast/scroll-behavior/scroll-customization/touch-scroll-customization.html [ Pass Failure ]
+
 # Temporarily disabled due to a change in HTMLMediaElement behavior, I'll
 # update and reenable the test once the bugfix for 475244 lands in Chromium
 crbug.com/475244 media/video-durationchange-on-ended.html [ Pass Failure ]