| Test calling getPropertyValue on computed styles for -webkit-backround-size properties. | |
| getPropertyValue(-webkit-background-size): 10px 20px | |
| getPropertyValue(-webkit-background-size): 10px 10px | |
| Test getting background size of 0. | |
| getPropertyValue(-webkit-background-size): 0px 0px | |
| getPropertyValue(-webkit-background-size): 0px 0px | |
| Test getting initial value of the background size. | |
| getPropertyValue(-webkit-background-size): auto | |