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

LayoutTests/TestExpectations

Index: LayoutTests/TestExpectations
diff --git a/LayoutTests/TestExpectations b/LayoutTests/TestExpectations
index 3a6f59712438a6a0452fa3994ee8983c5549b2c0..aba8f80c717d18040ea6fab5e7bd4a83f3b82258 100644
--- a/LayoutTests/TestExpectations
+++ b/LayoutTests/TestExpectations
@@ -41,6 +41,25 @@ crbug.com/518967 [ Win7 ] http/tests/htmlimports/csp-import-block-but-nonce-nest
 crbug.com/448461 http/tests/loading/simple-subframe.html [ Failure Pass Timeout ]
 crbug.com/339597 http/tests/navigation/back-to-redirect-with-frame.php [ Pass Timeout ]
 crbug.com/473718 http/tests/navigation/beacon-cross-origin-redirect.html [ Failure Pass ]
+
+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 ]
+
+crbug.com/410974 virtual/threaded_animation_timelines/fast/scroll-behavior/scroll-customization/scrollstate-basic.html [ Pass Failure ]
+crbug.com/410974 virtual/threaded_animation_timelines/fast/scroll-behavior/scroll-customization/scrollstate-consume-deltas.html [ Pass Failure ]
+crbug.com/410974 virtual/threaded_animation_timelines/fast/scroll-behavior/scroll-customization/scrollstate-consume-deltas-throw.html [ Pass Failure ]
+crbug.com/410974 virtual/threaded_animation_timelines/fast/scroll-behavior/scroll-customization/scrollstate-distribute-to-scroll-chain-descendant.html [ Pass Failure ]
+crbug.com/410974 virtual/threaded_animation_timelines/fast/scroll-behavior/scroll-customization/touch-scroll-customization.html [ Pass Failure ]
+
 crbug.com/518972 [ Linux XP ] http/tests/navigation/navigation-redirect-schedule-crash.html [ Failure Pass ]
 crbug.com/381730 http/tests/navigation/pending-location-change-assert.html [ Failure Pass ]
 crbug.com/518974 http/tests/navigatorconnect/postmessage.html [ Failure Pass Timeout ]