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			Automatic update from web-platform-tests Handle display:contents for viewport propagation. When documentElement/body does not generate a box, its background will not propagate to the viewport (see [1]). This removes the need for calling EnsureComputedStyle() on documentElement/body. The CSSWG has also resolved that to be the case also for other properties propagated to the viewport[2]. Some of the wpt tests for body propagation didn't actually have a body element. Added. [1] https://drafts.csswg.org/css-backgrounds/#special-backgrounds [2] https://github.com/w3c/csswg-drafts/issues/3779#issuecomment-481762912 Bug: 987207 Change-Id: I06e618e2acd2926b5ae4831bf5825e13e970d035 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1547974 Commit-Queue: Rune Lillesveen <futhark@chromium.org> Reviewed-by: Anders Hartvoll Ruud <andruud@chromium.org> Cr-Commit-Position: refs/heads/master@{#680834} -- wpt-commits: d40f18ae072cab633cfb34fb883e12c87c1bc191 wpt-pr: 18039
		
			
				
	
	
		
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			HTML
		
	
	
	
	
	
| <!doctype html>
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| <html style="overflow:scroll">
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| <title>CSS Overflow Test Reference</title>
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| <body style="margin-top:100px">The viewport should have scrollbars, not the body.</body>
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| </html>
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