[New Multicolumn] Intrinsic/preferred logical width calculation for spanners.

LayoutTests/TestExpectations

Index: LayoutTests/TestExpectations
diff --git a/LayoutTests/TestExpectations b/LayoutTests/TestExpectations
index 5d8b02cd28d8023915191cb5c0318da333b03c02..f6bf36c91057a1c653a9285c0bc5674a393e5829 100644
--- a/LayoutTests/TestExpectations
+++ b/LayoutTests/TestExpectations
@@ -3356,6 +3356,8 @@ crbug.com/408123 fast/multicol/composited-with-overflow-in-next-column.html [ Sk
 crbug.com/350853 fast/multicol/content-change-same-height.html [ Skip ]
 crbug.com/350853 fast/multicol/cssom-view.html [ Skip ]
 crbug.com/408123 fast/multicol/dynamic/change-spanner-display.html [ Skip ]
+crbug.com/408123 fast/multicol/dynamic/insert-spanner-into-stf-constrained-width.html [ Skip ]
+crbug.com/408123 fast/multicol/dynamic/insert-spanner-into-stf-unconstrained-width.html [ Skip ]
 crbug.com/408123 fast/multicol/dynamic/insert-spanner-pseudo-after-then-content.html [ Skip ]
 crbug.com/408123 fast/multicol/dynamic/insert-spanner-pseudo-after.html [ Skip ]
 crbug.com/408123 fast/multicol/dynamic/insert-spanner-pseudo-before-after-in-content.html [ Skip ]
@@ -3432,6 +3434,8 @@ crbug.com/408123 fast/multicol/span/fill-after-spanner-extra-height.html [ Skip
 crbug.com/408123 fast/multicol/span/multicol-with-padding.html [ Skip ]
 crbug.com/408123 fast/multicol/span/multicol-with-spanner-becomes-regular-block.html [ Skip ]
 crbug.com/408123 fast/multicol/span/overflow-on-multicol.html [ Skip ]
+crbug.com/408123 fast/multicol/span/preferred-widths-with-column-content.html [ Skip ]
+crbug.com/408123 fast/multicol/span/preferred-widths.html [ Skip ]
 crbug.com/408123 fast/multicol/span/pseudo-after.html [ Skip ]
 crbug.com/408123 fast/multicol/span/pseudo-after-then-content.html [ Skip ]
 crbug.com/408123 fast/multicol/span/pseudo-before-after.html [ Skip ]