Tests that screen dimension overrides affect media rules, body dimensions, and window.screen.

Override: 480x800
Screen from page: 480x800
Window from page: 480x800
Body from page: 480x800
Main style:
[expanded] 
element.style  { ()

======== Matched CSS Rules ========
[expanded] 
media="screen" (override-screen-size.html)
@media (max-device-height: 960px) and (max-device-width: 480px) (override-screen-size.html:9)
#main  { (override-screen-size.html:10)
background: green;

[expanded] 
div  { (user agent stylesheet)
display: block;


Override: 800x480
Screen from page: 800x480
Window from page: 800x480
Body from page: 800x480
Main style:
[expanded] 
element.style  { ()

======== Matched CSS Rules ========
[expanded] 
div  { (user agent stylesheet)
display: block;


Override: 10000001x800 => ERROR
Override: -1x800 => ERROR
Override: 480x10000001 => ERROR
Override: 480x-1 => ERROR
Current dimensions:
Screen from page: 800x480
Window from page: 800x480
Body from page: 800x480
Disable PageAgent:
Screen size same as original - OK
Enable PageAgent:
Screen size same as original - OK