Make NetworkStorageSession::nsCookieStorage() return RetainPtr

[szewai]

dd766a3

Make NetworkStorageSession::nsCookieStorage() return RetainPtr
https://bugs.webkit.org/show_bug.cgi?id=271222
rdar://117317285

Reviewed by Chris Dumez.

To avoid the returned NSHTTPCookieStorage being released while it's still in use.

* Source/WebCore/platform/network/NetworkStorageSession.h:
* Source/WebCore/platform/network/cocoa/NetworkStorageSessionCocoa.mm:
(WebCore::NetworkStorageSession::getAllCookies):
(WebCore::NetworkStorageSession::hasCookies const):
(WebCore::NetworkStorageSession::setAllCookiesToSameSiteStrict):
(WebCore::NetworkStorageSession::nsCookieStorage const):
(WebCore::NetworkStorageSession::cookieStorageObserver const):
* Source/WebKit/NetworkProcess/Cookies/mac/WebCookieManagerMac.mm:
(WebKit::WebCookieManager::platformSetHTTPCookieAcceptPolicy):
* Source/WebKit/NetworkProcess/cocoa/NetworkProcessCocoa.mm:
(WebKit::NetworkProcess::platformFlushCookies):
* Source/WebKit/NetworkProcess/cocoa/NetworkTaskCocoa.mm:
(WebKit::NetworkTaskCocoa::unblockCookies):

Canonical link: https://commits.webkit.org/276355@main

f44b555

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	✅ 🧪 api-wpe
	✅ 🧪 ios-wk2-wpt	✅ 🧪 mac-wk1	✅ 🛠 wpe-skia
⏳ 🛠 🧪 jsc	✅ 🧪 api-ios	✅ 🧪 mac-wk2	✅ 🛠 gtk
	✅ 🛠 tv	✅ 🧪 mac-AS-debug-wk2	✅ 🧪 gtk-wk2
	✅ 🛠 tv-sim		✅ 🧪 api-gtk
✅ 🛠 🧪 merge	✅ 🛠 watch
	✅ 🛠 watch-sim

[webkit-early-warning-system]

EWS run on current version of this PR (hash f44b555)

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	✅ 🧪 api-wpe
	✅ 🧪 ios-wk2-wpt	✅ 🧪 mac-wk1	✅ 🛠 wpe-skia
⏳ 🛠 🧪 jsc	✅ 🧪 api-ios	✅ 🧪 mac-wk2	✅ 🛠 gtk
	✅ 🛠 tv	✅ 🧪 mac-AS-debug-wk2	✅ 🧪 gtk-wk2
	✅ 🛠 tv-sim		✅ 🧪 api-gtk
✅ 🛠 🧪 merge	✅ 🛠 watch
	✅ 🛠 watch-sim

[webkit-commit-queue]

Committed 276355@main (dd766a3): https://commits.webkit.org/276355@main

Reviewed commits have been landed. Closing PR #26104 and removing active labels.