
Following the successful deployment of the feature kAncestorChainBitEnabledInPartitionedCookies being enabled by default and metrics showing that there is no longer usage of users disabling it. Usages of the flag are being removed and all code that utilized the feature is being refactored to reflect a state in which the feature is enabled. OBSOLETE_HISTOGRAM[Cookie.FirstPartyPartitioned.HasCrossSiteAncestor]= Feature that metric was tracking has been removed. Bug: 328043119 Change-Id: Ifc0ccfba6cbac610c3c26370c0393b4a005fbbbb Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6316346 Reviewed-by: Steven Bingler <bingler@chromium.org> Reviewed-by: Dylan Cutler <dylancutler@google.com> Auto-Submit: Aaron Selya <selya@google.com> Reviewed-by: Kenichi Ishibashi <bashi@chromium.org> Commit-Queue: Aaron Selya <selya@google.com> Reviewed-by: Bo Liu <boliu@chromium.org> Cr-Commit-Position: refs/heads/main@{#1427719}