InsertParagraph should insert a BR when the root editable element is a phrasing content

[rniwa]

37c9962

InsertParagraph should insert a BR when the root editable element is a phrasing content
https://bugs.webkit.org/show_bug.cgi?id=252219

Reviewed by Wenson Hsieh.

When the root editable element only allows phrasing content (e.g. span) then execCommand('insertParagraph') should insert a br instead of a div.

* LayoutTests/editing/inserting/insert-paragraph-separator-phrasing-editable-root-expected.txt: Added.
* LayoutTests/editing/inserting/insert-paragraph-separator-phrasing-editable-root.html: Added.
* LayoutTests/imported/w3c/web-platform-tests/editing/other/insertparagraph-in-inline-editing-host.tentative_white-space=normal&display=block&method=enter-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/editing/other/insertparagraph-in-inline-editing-host.tentative_white-space=normal&display=block&method=shift-enter-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/editing/other/insertparagraph-in-inline-editing-host.tentative_white-space=normal&display=list-item&method=enter-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/editing/other/insertparagraph-in-inline-editing-host.tentative_white-space=normal&display=list-item&method=shift-enter-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/editing/other/insertparagraph-in-inline-editing-host.tentative_white-space=pre&display=block&method=enter-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/editing/other/insertparagraph-in-inline-editing-host.tentative_white-space=pre&display=block&method=shift-enter-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/editing/other/insertparagraph-in-inline-editing-host.tentative_white-space=pre&display=list-item&method=enter-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/editing/other/insertparagraph-in-inline-editing-host.tentative_white-space=pre&display=list-item&method=shift-enter-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/editing/other/insertparagraph-in-inline-editing-host.tentative_white-space=pre-line&display=block&method=enter-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/editing/other/insertparagraph-in-inline-editing-host.tentative_white-space=pre-line&display=block&method=shift-enter-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/editing/other/insertparagraph-in-inline-editing-host.tentative_white-space=pre-line&display=list-item&method=enter-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/editing/other/insertparagraph-in-inline-editing-host.tentative_white-space=pre-line&display=list-item&method=shift-enter-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/editing/other/insertparagraph-in-inline-editing-host.tentative_white-space=pre-wrap&display=block&method=enter-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/editing/other/insertparagraph-in-inline-editing-host.tentative_white-space=pre-wrap&display=block&method=shift-enter-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/editing/other/insertparagraph-in-inline-editing-host.tentative_white-space=pre-wrap&display=list-item&method=enter-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/editing/other/insertparagraph-in-inline-editing-host.tentative_white-space=pre-wrap&display=list-item&method=shift-enter-expected.txt:
* Source/WebCore/editing/InsertParagraphSeparatorCommand.cpp:
(WebCore::isPhrasingContent):
(WebCore::isEditableRootPhrasingContent):
(WebCore::InsertParagraphSeparatorCommand::doApply):

Canonical link: https://commits.webkit.org/260242@main

7195bf0

Misc	iOS, tvOS & watchOS	macOS	Linux	Windows
✅ 🧪 style	✅ 🛠 ios	✅ 🛠 mac	✅ 🛠 wpe	✅ 🛠 wincairo
✅ 🧪 bindings	✅ 🛠 ios-sim	✅ 🛠 mac-AS-debug	✅ 🛠 gtk
✅ 🧪 webkitperl	✅ 🧪 ios-wk2	✅ 🧪 api-mac	✅ 🧪 gtk-wk2
	✅ 🧪 api-ios	✅ 🧪 mac-wk1	🧪 api-gtk
	✅ 🛠 tv	✅ 🧪 mac-wk2
	✅ 🛠 tv-sim	✅ 🧪 mac-AS-debug-wk2
	✅ 🛠 watch	✅ 🧪 mac-wk2-stress
	✅ 🛠 watch-sim
✅ 🛠 🧪 unsafe-merge

[webkit-early-warning-system]

EWS run on previous version of this PR (hash 850abe4)

Misc	iOS, tvOS & watchOS	macOS	Linux	Windows
✅ 🧪 style	✅ 🛠 ios	✅ 🛠 mac	✅ 🛠 wpe	⏳ 🛠 wincairo
✅ 🧪 bindings	✅ 🛠 ios-sim	✅ 🛠 mac-AS-debug	✅ 🛠 gtk
✅ 🧪 webkitperl	🧪 ios-wk2	🧪 api-mac	🧪 gtk-wk2
	🧪 api-ios	✅ 🧪 mac-wk1	🧪 api-gtk
⏳ 🛠 🧪 jsc	✅ 🛠 tv	🧪 mac-wk2	⏳ 🛠 jsc-armv7
	✅ 🛠 tv-sim	🧪 mac-AS-debug-wk2	⏳ 🧪 jsc-armv7-tests
	⏳ 🛠 watch	✅ 🧪 mac-wk2-stress
	✅ 🛠 watch-sim

[webkit-early-warning-system]

EWS run on previous version of this PR (hash 887dc38)

Misc	iOS, tvOS & watchOS	macOS	Linux	Windows
✅ 🧪 style	✅ 🛠 ios	✅ 🛠 mac	✅ 🛠 wpe	⏳ 🛠 wincairo
✅ 🧪 bindings	✅ 🛠 ios-sim	✅ 🛠 mac-AS-debug	✅ 🛠 gtk
✅ 🧪 webkitperl	⏳ 🧪 ios-wk2	🧪 api-mac	🧪 gtk-wk2
	⏳ 🧪 api-ios	✅ 🧪 mac-wk1	⏳ 🧪 api-gtk
⏳ 🛠 🧪 jsc	✅ 🛠 tv	✅ 🧪 mac-wk2	⏳ 🛠 jsc-armv7
	✅ 🛠 tv-sim	⏳ 🧪 mac-AS-debug-wk2	⏳ 🧪 jsc-armv7-tests
	⏳ 🛠 watch	✅ 🧪 mac-wk2-stress
	✅ 🛠 watch-sim

[webkit-early-warning-system]

EWS run on current version of this PR (hash 7195bf0)

Misc	iOS, tvOS & watchOS	macOS	Linux	Windows
✅ 🧪 style	✅ 🛠 ios	✅ 🛠 mac	✅ 🛠 wpe	✅ 🛠 wincairo
✅ 🧪 bindings	✅ 🛠 ios-sim	✅ 🛠 mac-AS-debug	✅ 🛠 gtk
✅ 🧪 webkitperl	✅ 🧪 ios-wk2	✅ 🧪 api-mac	✅ 🧪 gtk-wk2
	✅ 🧪 api-ios	✅ 🧪 mac-wk1	🧪 api-gtk
	✅ 🛠 tv	✅ 🧪 mac-wk2
	✅ 🛠 tv-sim	✅ 🧪 mac-AS-debug-wk2
	✅ 🛠 watch	✅ 🧪 mac-wk2-stress
	✅ 🛠 watch-sim
✅ 🛠 🧪 unsafe-merge

[webkit-commit-queue]

Committed 260242@main (37c9962): https://commits.webkit.org/260242@main

Reviewed commits have been landed. Closing PR #10065 and removing active labels.