Change of enumeration verified with installer team. Chromium changes: https://chromium.googlesource.com/chromium/src/+/0cf89805957b558d1c118d65c9cbc03ea2ec8646 commit 0cf89805957b558d1c118d65c9cbc03ea2ec8646 Author: Greg Thompson <grt@chromium.org> Date: Tue Oct 28 06:39:34 2025 -0700 [installer] Clean up dead metrics Remove LZMA metrics that are no longer recorded. Also mark others as never expiring since they are general installer-health metrics and update ownership. OBSOLETE_HISTOGRAM[Setup.Install.LzmaUnPackStatus_SetupExePatch]=All recording removed in r1522199. OBSOLETE_HISTOGRAM[Setup.Install.LzmaUnPackStatus_ChromeArchivePatch]=All recording removed in r1522199. Fixed: 455573360 Change-Id: I7f7f3d8ac99d4b735ae6308f408a245d6474c585 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7088112 Reviewed-by: Joshua Pawlicki <waffles@chromium.org> Commit-Queue: Joshua Pawlicki <waffles@chromium.org> Auto-Submit: Greg Thompson <grt@chromium.org> Cr-Commit-Position: refs/heads/main@{#1536616}