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-rw-r--r--toolkit/components/antitracking/StoragePrincipalHelper.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/toolkit/components/antitracking/StoragePrincipalHelper.h b/toolkit/components/antitracking/StoragePrincipalHelper.h
index f813417eb6..0fe362d8c1 100644
--- a/toolkit/components/antitracking/StoragePrincipalHelper.h
+++ b/toolkit/components/antitracking/StoragePrincipalHelper.h
@@ -351,6 +351,14 @@ class StoragePrincipalHelper final {
static bool PartitionKeyHasBaseDomain(const nsAString& aPartitionKey,
const nsAString& aBaseDomain);
+
+ // Partition keys can have the same-site bit added or removed from them.
+ // "(https,foo.com)", false -> "(https,foo.com)"
+ // "(https,foo.com,f)", false -> "(https,foo.com)"
+ // "(https,foo.com,f)", true -> "(https,foo.com,f)"
+ // "(https,foo.com)", true -> "(https,foo.com,f)"
+ static void UpdatePartitionKeyWithForeignAncestorBit(
+ nsAString& aKey, bool aForeignByAncestorContext);
};
} // namespace mozilla