[tvOS] Enable AVKit fullscreen at build time

[aestes]

193f3e7

[tvOS] Enable AVKit fullscreen at build time
https://bugs.webkit.org/show_bug.cgi?id=262803
rdar://116592441

Reviewed by Jer Noble.

Set ENABLE_VIDEO_PRESENTATION_MODE and HAVE_AVKIT to 1 on tvOS. Added declarations and platform
ifdefs so that VideoFullscreenInterfaceAVKit builds on tvOS.

* Source/WTF/wtf/PlatformEnableCocoa.h:
* Source/WTF/wtf/PlatformHave.h:
* Source/WebCore/PAL/pal/spi/cocoa/AVKitSPI.h:
* Source/WebCore/platform/cocoa/WebAVPlayerLayerView.h:
* Source/WebCore/platform/ios/VideoFullscreenInterfaceAVKit.h:
* Source/WebCore/platform/ios/VideoFullscreenInterfaceAVKit.mm:
(-[WebAVPlayerViewController initWithFullscreenInterface:]):
(-[WebAVPlayerViewController enterFullScreenAnimated:completionHandler:]):
(-[WebAVPlayerViewController exitFullScreenAnimated:completionHandler:]):
(-[WebAVPlayerViewController MY_NO_RETURN]):
(-[WebAVPlayerViewController isPictureInPicturePossible]):
(-[WebAVPlayerViewController isPictureInPictureActive]):
(-[WebAVPlayerViewController pictureInPictureActive]):
(-[WebAVPlayerViewController pictureInPictureWasStartedWhenEnteringBackground]):
(VideoFullscreenInterfaceAVKit::setPlayerIdentifier):

Canonical link: https://commits.webkit.org/269030@main

a7b8fee

Misc	iOS, tvOS & watchOS	macOS	Linux	Windows
✅ 🧪 style	✅ 🛠 ios	✅ 🛠 mac	✅ 🛠 wpe	🛠 wincairo
✅ 🧪 bindings	✅ 🛠 ios-sim	✅ 🛠 mac-AS-debug	🧪 wpe-wk2
✅ 🧪 webkitperl	✅ 🧪 ios-wk2	✅ 🧪 api-mac	✅ 🛠 gtk
	🧪 ios-wk2-wpt	✅ 🧪 mac-wk1	🧪 gtk-wk2
🛠 🧪 jsc	✅ 🧪 api-ios	✅ 🧪 mac-wk2	✅ 🧪 api-gtk
🛠 🧪 jsc-arm64	🛠 tv	🧪 mac-AS-debug-wk2	✅ 🛠 jsc-armv7
	✅ 🛠 tv-sim		✅ 🧪 jsc-armv7-tests
✅ 🛠 🧪 merge	🛠 watch		✅ 🛠 jsc-mips
	✅ 🛠 watch-sim		✅ 🧪 jsc-mips-tests

[webkit-early-warning-system]

EWS run on previous version of this PR (hash 2f98904)

Misc	iOS, tvOS & watchOS	macOS	Linux	Windows
✅ 🧪 style	✅ 🛠 ios	✅ 🛠 mac	✅ 🛠 wpe	⏳ 🛠 wincairo
✅ 🧪 bindings	✅ 🛠 ios-sim	✅ 🛠 mac-AS-debug	⏳ 🧪 wpe-wk2
✅ 🧪 webkitperl	✅ 🧪 ios-wk2	✅ 🧪 api-mac	✅ 🛠 gtk
	✅ 🧪 ios-wk2-wpt	✅ 🧪 mac-wk1	🧪 gtk-wk2
✅ 🛠 🧪 jsc	✅ 🧪 api-ios	✅ 🧪 mac-wk2	✅ 🧪 api-gtk
✅ 🛠 🧪 jsc-arm64	⏳ 🛠 tv	🧪 mac-AS-debug-wk2	✅ 🛠 jsc-armv7
	❌ 🛠 tv-sim		✅ 🧪 jsc-armv7-tests
	⏳ 🛠 watch		✅ 🛠 jsc-mips
	✅ 🛠 watch-sim		✅ 🧪 jsc-mips-tests

[webkit-early-warning-system]

EWS run on previous version of this PR (hash c0d58db)

Misc	iOS, tvOS & watchOS	macOS	Linux	Windows
✅ 🧪 style	⏳ 🛠 ios	✅ 🛠 mac	✅ 🛠 wpe	⏳ 🛠 wincairo
✅ 🧪 bindings	✅ 🛠 ios-sim	⏳ 🛠 mac-AS-debug	⏳ 🧪 wpe-wk2
✅ 🧪 webkitperl	🧪 ios-wk2	🧪 api-mac	✅ 🛠 gtk
	⏳ 🧪 ios-wk2-wpt	🧪 mac-wk1	⏳ 🧪 gtk-wk2
⏳ 🛠 🧪 jsc	🧪 api-ios	🧪 mac-wk2	✅ 🧪 api-gtk
⏳ 🛠 🧪 jsc-arm64	⏳ 🛠 tv	⏳ 🧪 mac-AS-debug-wk2	✅ 🛠 jsc-armv7
	🛠 tv-sim		✅ 🧪 jsc-armv7-tests
	⏳ 🛠 watch		✅ 🛠 jsc-mips
	✅ 🛠 watch-sim		✅ 🧪 jsc-mips-tests

[webkit-early-warning-system]

EWS run on previous version of this PR (hash 3e6575a)

Misc	iOS, tvOS & watchOS	macOS	Linux	Windows
✅ 🧪 style	⏳ 🛠 ios	✅ 🛠 mac	✅ 🛠 wpe	⏳ 🛠 wincairo
✅ 🧪 bindings	✅ 🛠 ios-sim	✅ 🛠 mac-AS-debug	⏳ 🧪 wpe-wk2
✅ 🧪 webkitperl	✅ 🧪 ios-wk2	🧪 api-mac	✅ 🛠 gtk
	🧪 ios-wk2-wpt	🧪 mac-wk1	⏳ 🧪 gtk-wk2
⏳ 🛠 🧪 jsc	🧪 api-ios	🧪 mac-wk2	🧪 api-gtk
⏳ 🛠 🧪 jsc-arm64	⏳ 🛠 tv	⏳ 🧪 mac-AS-debug-wk2	✅ 🛠 jsc-armv7
	🛠 tv-sim		✅ 🧪 jsc-armv7-tests
	⏳ 🛠 watch		✅ 🛠 jsc-mips
	✅ 🛠 watch-sim		✅ 🧪 jsc-mips-tests

[webkit-early-warning-system]

EWS run on current version of this PR (hash a7b8fee)

Misc	iOS, tvOS & watchOS	macOS	Linux	Windows
✅ 🧪 style	✅ 🛠 ios	✅ 🛠 mac	✅ 🛠 wpe	🛠 wincairo
✅ 🧪 bindings	✅ 🛠 ios-sim	✅ 🛠 mac-AS-debug	🧪 wpe-wk2
✅ 🧪 webkitperl	✅ 🧪 ios-wk2	✅ 🧪 api-mac	✅ 🛠 gtk
	🧪 ios-wk2-wpt	✅ 🧪 mac-wk1	🧪 gtk-wk2
🛠 🧪 jsc	✅ 🧪 api-ios	✅ 🧪 mac-wk2	✅ 🧪 api-gtk
🛠 🧪 jsc-arm64	🛠 tv	🧪 mac-AS-debug-wk2	✅ 🛠 jsc-armv7
	✅ 🛠 tv-sim		✅ 🧪 jsc-armv7-tests
✅ 🛠 🧪 merge	🛠 watch		✅ 🛠 jsc-mips
	✅ 🛠 watch-sim		✅ 🧪 jsc-mips-tests

[webkit-commit-queue]

Committed 269030@main (193f3e7): https://commits.webkit.org/269030@main

Reviewed commits have been landed. Closing PR #18778 and removing active labels.