Bug 1922418 [wpt PR 48434] - [document pip] Use the same compatibilit…

…y mode as the opener, a=testonly

Automatic update from web-platform-tests
[document pip] Use the same compatibility mode as the opener

Currently, document picture-in-picture windows use quirks mode by
default, since they're just about:blank windows. This CL makes the pip
document match the opener document's compatibility mode instead.

WICG/document-picture-in-picture#128

https://groups.google.com/a/chromium.org/g/blink-dev/c/IR7qdNj4Zyw

Bug: 370423046
Change-Id: Ib1a84947b2408ae0be236afc2173fbcb0f77b598
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5900737
Reviewed-by: Frank Liberato <liberatochromium.org>
Commit-Queue: Tommy Steimel <steimelchromium.org>
Reviewed-by: Nate Chapin <japhetchromium.org>
Cr-Commit-Position: refs/heads/main{#1363338}

--

wpt-commits: 6a80672082519cb3f49bf5dc3cf705a0fe6982c3
wpt-pr: 48434

UltraBlame original commit: b0067e7291835ec0f24ff19254a7373615c3a82d

testing/web-platform/tests/document-picture-in-picture/copy-document-mode-quirks.https.html

@@ -0,0 +1,187 @@
+<
+title
+>
+Test
+document
+picture
+-
+in
+-
+picture
+copies
+Document
+mode
+when
+it
+'
+s
+quirks
+mode
+<
+/
+title
+>
+<
+script
+src
+=
+"
+/
+resources
+/
+testharness
+.
+js
+"
+>
+<
+/
+script
+>
+<
+script
+src
+=
+"
+/
+resources
+/
+testharnessreport
+.
+js
+"
+>
+<
+/
+script
+>
+<
+script
+src
+=
+"
+/
+resources
+/
+testdriver
+.
+js
+"
+>
+<
+/
+script
+>
+<
+script
+src
+=
+"
+/
+resources
+/
+testdriver
+-
+vendor
+.
+js
+"
+>
+<
+/
+script
+>
+<
+body
+>
+<
+script
+>
+promise_test
+(
+async
+(
+t
+)
+=
+>
+{
+assert_equals
+(
+document
+.
+compatMode
+"
+BackCompat
+"
+"
+The
+opener
+document
+should
+be
+on
+quirks
+mode
+"
+)
+;
+await
+test_driver
+.
+bless
+(
+'
+request
+PiP
+window
+'
+)
+;
+const
+pipWindow
+=
+await
+documentPictureInPicture
+.
+requestWindow
+(
+)
+;
+assert_equals
+(
+pipWindow
+.
+document
+.
+compatMode
+"
+BackCompat
+"
+"
+The
+picture
+-
+in
+-
+picture
+document
+should
+be
+on
+quirks
+mode
+"
+)
+;
+}
+)
+;
+<
+/
+script
+>
+<
+/
+body
+>

testing/web-platform/tests/document-picture-in-picture/copy-document-mode.https.html

@@ -0,0 +1,188 @@
+<
+!
+DOCTYPE
+html
+>
+<
+title
+>
+Test
+document
+picture
+-
+in
+-
+picture
+copies
+Document
+mode
+<
+/
+title
+>
+<
+script
+src
+=
+"
+/
+resources
+/
+testharness
+.
+js
+"
+>
+<
+/
+script
+>
+<
+script
+src
+=
+"
+/
+resources
+/
+testharnessreport
+.
+js
+"
+>
+<
+/
+script
+>
+<
+script
+src
+=
+"
+/
+resources
+/
+testdriver
+.
+js
+"
+>
+<
+/
+script
+>
+<
+script
+src
+=
+"
+/
+resources
+/
+testdriver
+-
+vendor
+.
+js
+"
+>
+<
+/
+script
+>
+<
+body
+>
+<
+script
+>
+promise_test
+(
+async
+(
+t
+)
+=
+>
+{
+assert_equals
+(
+document
+.
+compatMode
+"
+CSS1Compat
+"
+"
+The
+opener
+document
+should
+not
+be
+on
+quirks
+mode
+"
+)
+;
+await
+test_driver
+.
+bless
+(
+'
+request
+PiP
+window
+'
+)
+;
+const
+pipWindow
+=
+await
+documentPictureInPicture
+.
+requestWindow
+(
+)
+;
+assert_equals
+(
+pipWindow
+.
+document
+.
+compatMode
+"
+CSS1Compat
+"
+"
+The
+picture
+-
+in
+-
+picture
+document
+should
+not
+be
+on
+quirks
+mode
+"
+)
+;
+}
+)
+;
+<
+/
+script
+>
+<
+/
+body
+>