Enable RegionBasedColumns runtime flag for stable.

LayoutTests/TestExpectations

Index: LayoutTests/TestExpectations
diff --git a/LayoutTests/TestExpectations b/LayoutTests/TestExpectations
index 5f1c7bd39284884a2edaa22148e1cb3182349b56..d389a83972ea05d5c113cff1fc7083160bb40b0c 100644
--- a/LayoutTests/TestExpectations
+++ b/LayoutTests/TestExpectations
@@ -615,7 +615,6 @@ crbug.com/307777 [ Android ] storage/quota/storagequota-query-usage.html [ Failu
 crbug.com/307777 [ Android ] svg/foreignObject/absolute-position-foreign-object-child-crash.html [ Timeout Pass ]
 crbug.com/307777 [ Android ] svg/in-html/svg-assert-failure-percentage.html [ Timeout Pass ]
 crbug.com/307777 [ Android ] tables/hittesting/filltable-levels.html [ Timeout Pass ]
-crbug.com/307777 [ Android ] virtual/stable/fast/multicol/huge-column-gap-crash.html [ Timeout Pass ]
 crbug.com/307777 [ Android ] webaudio/stereo2mono-down-mixing.html [ Timeout Pass ]
 crbug.com/307777 [ Android ] webexposed/custom-elements.html [ Timeout Pass ]
 
@@ -1070,9 +1069,6 @@ crbug.com/454760 virtual/slimmingpaint/fast/text/international/text-combine-imag
 # Expectations changes due to switiching to In-renderer Shared Worker.
 crbug.com/327256 fast/workers/shared-worker-lifecycle.html [ Failure Pass ]
 
-crbug.com/361729 virtual/stable/fast/multicol/pagination-h-horizontal-bt.html [ Pass Failure ]
-crbug.com/361729 virtual/stable/fast/multicol/pagination-h-horizontal-tb.html [ Pass Failure ]
-
 crbug.com/437112 virtual/gpu/fast/canvas/canvas-scale-drawImage-shadow.html [ Pass Failure ]
 
 crbug.com/486830 virtual/slimmingpaint/fast/canvas/canvas-scale-drawImage-shadow.html [ Failure ]
@@ -1113,162 +1109,6 @@ crbug.com/408123 fast/multicol/pagination-v-vertical-rl.html [ Skip ]
 crbug.com/467477 fast/multicol/vertical-rl/nested-columns.html [ ImageOnlyFailure ]
 crbug.com/467477 virtual/slimmingpaint/fast/multicol/vertical-rl/nested-columns.html [ Skip ]
 
-# New multicol tests that don't pass in the old implementation.
-crbug.com/408123 virtual/stable/fast/multicol/balance-short-trailing-empty-block.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/balance-trailing-border.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/balance-trailing-border-after-break.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/balance-unbreakable.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/break-in-scrollable.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/caret-range-anonymous-block-rtl.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/caret-range-outside-columns-rtl.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/caret-range-outside-columns.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/change-block-child-height.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/change-height.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/composited-inner-multicol.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/composited-layer-multiple-fragments-translated.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/composited-layer-multiple-fragments.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/composited-layer-nested.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/composited-layer-will-change.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/composited-opacity-2nd-and-3rd-column.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/composited-relpos-clipped.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/composited-relpos-in-clipped.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/composited-relpos-overlapping-will-change.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/composited-relpos-resize.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/composited-relpos.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/composited-with-child-layer-in-next-column.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/composited-with-overflow-in-next-column.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/content-change-same-height.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/cssom-view.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/dynamic/change-spanner-display.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/dynamic/insert-spanner-into-stf-constrained-width.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/dynamic/insert-spanner-into-stf-unconstrained-width.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/dynamic/insert-spanner-pseudo-after-then-content.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/dynamic/insert-spanner-pseudo-after.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/dynamic/insert-spanner-pseudo-before-after-in-content.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/dynamic/insert-spanner-pseudo-before-after.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/dynamic/insert-spanner-pseudo-before-following-content.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/dynamic/insert-spanner-pseudo-before.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/dynamic/remove-and-insert-block-after-spanner.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/dynamic/remove-and-insert-block-before-spanner.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/dynamic/remove-and-insert-block-between-spanners.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/dynamic/remove-block-after-spanner.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/dynamic/remove-block-before-spanner.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/dynamic/remove-block-between-spanners.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/dynamic/remove-block-from-content-after-spanner.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/dynamic/remove-spanner-in-content.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/dynamic/spanner-after-content-becomes-regular-block.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/dynamic/spanner-in-content-becomes-regular-block.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/event-offset-complex-tree.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/fieldset-as-multicol.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/file-upload-as-multicol.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/hit-test-translate-z.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/inline-children-crash.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/inline-getclientrects.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/input-as-multicol.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/listbox-as-multicol.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/mixed-opacity-fixed-test.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/mixed-opacity-test.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/mixed-positioning-stacking-order.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/multicol-with-spanner-becomes-paged.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/avoid-column-break-inside.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/balance-images.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/balance-maxheight1.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/balance-maxheight2.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/balance1.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/balance10.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/balance2.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/balance3.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/balance4.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/balance5.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/balance6.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/balance7.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/balance8.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/balance9.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/break-after.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/break-before.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/breaks-2-columns-3-no-balancing.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/breaks-2-columns-3.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/breaks-3-columns-3.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/clipping-overflow-hidden.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/clipping-top-overflow.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/clipping.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/fixed-height-fill-auto.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/fixed-height-fill-balance-2.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/fixed-height-fill-balance.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/hide-box-horizontal-bt.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/hide-box-vertical-lr.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/hide-box-vertical-rl.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/leading-and-trailing-margin.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/leading-margin.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/list-item.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/orphans-and-widows-balance.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/positioned-with-constrained-height.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/spanner-inside-child-crash.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/table-cell.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/unresolvable-percent-height-2.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/unresolvable-percent-height.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/unresolvable-percent-max-height-2.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/newmulticol/unresolvable-percent-max-height.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/one-column-with-break.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/paged-becomes-multicol-with-spanner.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/percent-height.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/positioned-outside-of-columns.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/span/balance-after-spanner-exact-fit.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/span/balance-after-spanner-extra-height.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/span/balance-after-spanner-some-extra-height.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/span/balance-before-and-after-spanner.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/span/balance-before-spanner-extra-height.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/span/fill-after-spanner-exact-fit.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/span/fill-after-spanner-extra-height.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/span/multicol-with-padding.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/span/multicol-with-spanner-becomes-regular-block.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/span/overflow-on-multicol.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/span/preferred-widths-with-column-content.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/span/preferred-widths.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/span/pseudo-after.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/span/pseudo-after-then-content.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/span/pseudo-before-after.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/span/pseudo-before-after-in-content.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/span/pseudo-before.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/span/pseudo-before-following-content.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/span/remaining-space-in-last-column.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/span/spanner-table.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/span/trailing-margin-around-spanner.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/span/trailing-margin-before-spanner.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/span/with-border.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/static-child-becomes-fixedpos.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/table-cell-content-change-with-decorations.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/tall-float1.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/tall-float2.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/textarea-as-multicol.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/transform-inside-opacity.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/vertical-lr/balancing/balance-short-trailing-empty-block.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/vertical-lr/balancing/balance-trailing-border.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/vertical-lr/balancing/balance-trailing-border-after-break.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/vertical-lr/caret-range-outside-columns-rtl.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/vertical-lr/caret-range-outside-columns.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/vertical-lr/composited-relpos-overlapping-will-change.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/vertical-rl/balancing/balance-short-trailing-empty-block.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/vertical-rl/balancing/balance-trailing-border.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/vertical-rl/balancing/balance-trailing-border-after-break.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/vertical-rl/caret-range-anonymous-block-rtl.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/vertical-rl/caret-range-outside-columns-rtl.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/vertical-rl/caret-range-outside-columns.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/vertical-rl/composited-relpos-overlapping-will-change.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/widows.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/multicol/widows2.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/pagination/auto-height.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/pagination/auto-height-with-break.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/pagination/caret-range-outside-paged-x-rtl-vertical-rl.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/pagination/caret-range-outside-paged-x-rtl.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/pagination/caret-range-outside-paged-x-vertical-rl.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/pagination/caret-range-outside-paged-x.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/pagination/caret-range-outside-paged-y-rtl-vertical-rl.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/pagination/caret-range-outside-paged-y-rtl.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/pagination/caret-range-outside-paged-y.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/pagination/div-y-horizontal-tb-rtl.html [ Skip ]
-crbug.com/408123 virtual/stable/fast/pagination/div-y-horizontal-bt-rtl.html [ Skip ]
-
 crbug.com/419101 [ Win Debug ] http/tests/security/contentSecurityPolicy/report-cross-origin-no-cookies.html [ NeedsManualRebaseline ]
 
 crbug.com/374572 svg/dynamic-updates/SVGImageElement-svgdom-preserveAspectRatio-prop.html [ Pass ImageOnlyFailure ]
@@ -1381,11 +1221,6 @@ crbug.com/392762 fast/js/nested-object-gc.html [ Pass Crash ]
 
 # Flaky
 crbug.com/395127 http/tests/w3c/webperf/approved/UserTiming/test_user_timing_measure_navigation_timing.htm [ Failure Pass ]
-crbug.com/305036 virtual/stable/fast/multicol/span/span-as-immediate-child-generated-content.html [ Failure Pass ]
-crbug.com/305036 virtual/stable/fast/multicol/span/span-as-immediate-child-property-removal.html [ Failure Pass ]
-crbug.com/305036 virtual/stable/fast/multicol/span/span-as-immediate-columns-child-dynamic.html [ Failure Pass ]
-crbug.com/305036 virtual/stable/fast/multicol/span/span-as-immediate-columns-child-removal.html [ Failure Pass ]
-crbug.com/305036 virtual/stable/fast/multicol/span/span-as-nested-columns-child-dynamic.html [ Failure Pass ]
 
 crbug.com/396791 [ Debug ] virtual/threaded/printing/print-close-crash.html [ Pass Crash ]