Revert of Remove begin/end subseq. display items, and store on PaintController instead.

third_party/WebKit/LayoutTests/FlagExpectations/enable-slimming-paint-v2

Index: third_party/WebKit/LayoutTests/FlagExpectations/enable-slimming-paint-v2
diff --git a/third_party/WebKit/LayoutTests/FlagExpectations/enable-slimming-paint-v2 b/third_party/WebKit/LayoutTests/FlagExpectations/enable-slimming-paint-v2
index f5a5be41bd40e892a9746137b9ddc709129a171b..7e24bee27b785e5d12fc0e1e58c1d0aa089dadeb 100644
--- a/third_party/WebKit/LayoutTests/FlagExpectations/enable-slimming-paint-v2
+++ b/third_party/WebKit/LayoutTests/FlagExpectations/enable-slimming-paint-v2
@@ -110,7 +110,6 @@
 
 Bug(none) compositing/3d-cube.html [ Failure ]
 Bug(none) compositing/absolute-inside-out-of-view-fixed.html [ Failure ]
-Bug(none) compositing/always-composite-fixed-position-when-descendants-composite.html [ Failure ]
 Bug(none) compositing/animation/hidden-composited.html [ Failure ]
 Bug(none) compositing/backface-visibility/backface-visibility-image.html [ Failure ]
 Bug(none) compositing/backface-visibility/backface-visibility-webgl.html [ Failure ]
@@ -1360,11 +1359,6 @@
 crbug.com/692310 virtual/threaded/transitions/opacity-transition-zindex.html [ Timeout ]
 crbug.com/692310 virtual/threaded/transitions/unprefixed-transform.html [ Timeout ]
 
-Bug(none) virtual/threaded/animations/3d/change-transform-in-end-event.html [ Failure ]
-Bug(none) virtual/threaded/animations/composited-pseudo-element-animation.html [ Failure ]
-Bug(none) virtual/threaded/animations/css-composite-animation-affects-use-elements.html [ Failure ]
-Bug(none) virtual/threaded/transitions/transition-end-event-rendering.html [ Failure ]
-
 # Compositor Worker logic has not yet been fully ported to SPv2.
 crbug.com/686897 virtual/threaded/fast/compositorworker/compositor-attribute-change-worker.html [ Timeout ]
 crbug.com/686897 virtual/threaded/fast/compositorworker/compositor-proxy-disconnect-worker.html [ Timeout ]