| Index: LayoutTests/fast/css-grid-layout/grid-item-area-get-set-expected.txt | 
| diff --git a/LayoutTests/fast/css-grid-layout/grid-item-area-get-set-expected.txt b/LayoutTests/fast/css-grid-layout/grid-item-area-get-set-expected.txt | 
| index c86a3fe512e7af9e27e6f4d3db0b2a3751881771..4d46d921d5136245329ed03d809c1030bf5ebb3d 100644 | 
| --- a/LayoutTests/fast/css-grid-layout/grid-item-area-get-set-expected.txt | 
| +++ b/LayoutTests/fast/css-grid-layout/grid-item-area-get-set-expected.txt | 
| @@ -4,72 +4,72 @@ On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE | 
|  | 
|  | 
| Test getting grid-area set through CSS | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-start') is "1" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-before') is "auto" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-end') is "auto" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-after') is "auto" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-start') is "-1" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-before') is "span 1" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-end') is "auto" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-after') is "auto" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-start') is "span 1" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-before') is "10" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-end') is "-1" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-after') is "auto" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-start') is "-5" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-before') is "span 5" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-end') is "span 8" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-after') is "9" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-column-start') is "1" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-row-start') is "auto" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-column-end') is "auto" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-row-end') is "auto" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-column-start') is "-1" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-row-start') is "span 1" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-column-end') is "auto" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-row-end') is "auto" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-column-start') is "span 1" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-row-start') is "10" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-column-end') is "-1" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-row-end') is "auto" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-column-start') is "-5" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-row-start') is "span 5" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-column-end') is "span 8" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-row-end') is "9" | 
|  | 
| Test getting and setting grid-area set through JS | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-start') is "-1" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-before') is "auto" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-end') is "auto" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-after') is "auto" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-start') is "-1" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-before') is "span 5" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-end') is "auto" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-after') is "auto" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-start') is "-1" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-before') is "10" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-end') is "span 3" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-after') is "auto" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-column-start') is "-1" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-row-start') is "auto" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-column-end') is "auto" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-row-end') is "auto" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-column-start') is "-1" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-row-start') is "span 5" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-column-end') is "auto" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-row-end') is "auto" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-column-start') is "-1" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-row-start') is "10" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-column-end') is "span 3" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-row-end') is "auto" | 
|  | 
| Test setting grid-area to 'initial' through JS | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-start') is "1" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-before') is "2" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-end') is "3" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-after') is "4" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-start') is "auto" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-before') is "auto" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-end') is "auto" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-after') is "auto" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-column-start') is "1" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-row-start') is "2" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-column-end') is "3" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-row-end') is "4" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-column-start') is "auto" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-row-start') is "auto" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-column-end') is "auto" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-row-end') is "auto" | 
|  | 
| Test setting grid-area to 'inherit' through JS | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-start') is "1" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-before') is "2" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-end') is "3" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-after') is "4" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-start') is "1" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-before') is "2" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-end') is "3" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-after') is "4" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-column-start') is "1" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-row-start') is "2" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-column-end') is "3" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-row-end') is "4" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-column-start') is "1" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-row-start') is "2" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-column-end') is "3" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-row-end') is "4" | 
|  | 
| Test setting some positions to invalid values through JS | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-start') is "auto" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-before') is "auto" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-end') is "auto" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-after') is "auto" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-start') is "auto" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-before') is "auto" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-end') is "auto" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-after') is "auto" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-start') is "auto" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-before') is "auto" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-end') is "auto" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-after') is "auto" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-start') is "auto" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-before') is "auto" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-end') is "auto" | 
| -PASS getComputedStyle(gridItem, '').getPropertyValue('grid-after') is "auto" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-column-start') is "auto" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-row-start') is "auto" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-column-end') is "auto" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-row-end') is "auto" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-column-start') is "auto" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-row-start') is "auto" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-column-end') is "auto" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-row-end') is "auto" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-column-start') is "auto" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-row-start') is "auto" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-column-end') is "auto" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-row-end') is "auto" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-column-start') is "auto" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-row-start') is "auto" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-column-end') is "auto" | 
| +PASS getComputedStyle(gridItem, '').getPropertyValue('grid-row-end') is "auto" | 
|  | 
|  |