Unreviewed, fix build after 276151@main

https://bugs.webkit.org/show_bug.cgi?id=271054

Define the new properties for when WebPrivacy.h.

* Source/WebCore/PAL/pal/spi/cocoa/WebPrivacySPI.h:

Canonical link: https://commits.webkit.org/276153@main

Source/WebCore/PAL/pal/spi/cocoa/WebPrivacySPI.h

@@ -156,6 +156,13 @@ typedef void (^WPRestrictedOpenerDomainsCompletionHandler)(NSArray<WPRestrictedO
 @end
 #endif
 
+#if !defined(HAS_WEB_PRIVACY_STORAGE_ACCESS_PROMPT_TRIGGER) && HAVE(WEB_PRIVACY_FRAMEWORK)
+@interface WPStorageAccessPromptQuirk (Staging_124689085)
+@property (nonatomic, readonly) NSDictionary<NSString *, NSArray<NSString *> *> *quirkDomains;
+@property (nonatomic, readonly) NSArray<NSString *> *triggerPages;
+@end
+#endif
+
 WTF_EXTERN_C_BEGIN
 
 extern NSString *const WPNotificationUserInfoResourceTypeKey;