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The metrics daemon had counter classes that represented persistent, tagged values, and UMA stats. To create some derived UMA stats we need to separate persistency and UMA stats, and the tagging doesn't help either. This rewrite is supposed to keep the same functionality. BUG=chromium:339588 TEST=ran and checked a few histograms BRANCH=none Change-Id: Ia1121ab2db391d71edffab9f52afe29ce17686ba Reviewed-on: https://chromium-review.googlesource.com/188082 Tested-by: Luigi Semenzato <semenzato@chromium.org> Reviewed-by: Luigi Semenzato <semenzato@chromium.org> Commit-Queue: Luigi Semenzato <semenzato@chromium.org> |
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