Bug 1878869 [wpt PR 44415] - Add CSS display-mode experimental suppor…

…t for picture-in-picture, a=testonly

Automatic update from web-platform-tests
Add CSS display-mode experimental support for picture-in-picture

This CL adds experimental support to the CSS display-mode media feature
for picture-in-picture.

Spec PR: w3c/csswg-drafts#9920
Intent to prototype: https://groups.google.com/a/chromium.org/g/blink-dev/c/OE1rXYv126c

Demo: https://document-picture-in-picture-api.glitch.me/display-mode.html
Bug: 41493667
Change-Id: I16d0b7c62ed09220e4bbacdfa86191331f872d11
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5272485
Reviewed-by: Ted Choc <tedchocchromium.org>
Reviewed-by: Kinuko Yasuda <kinukochromium.org>
Commit-Queue: Fr <beaufort.francoisgmail.com>
Cr-Commit-Position: refs/heads/main{#1259357}

--

wpt-commits: dea3f53ebcda08f6255c904de56af5b35e30b4b7
wpt-pr: 44415

UltraBlame original commit: c43c9120be649d39739ad4770d454aebb6fba7a2

testing/web-platform/tests/css/mediaqueries/display-mode.html

@@ -177,6 +177,23 @@
 "
 )
 ;
+query_should_be_known
+(
+"
+(
+display
+-
+mode
+:
+picture
+-
+in
+-
+picture
+)
+"
+)
+;
 query_should_be_unknown
 (
 "