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-rw-r--r--base/metrics/field_trial.cc6
1 files changed, 5 insertions, 1 deletions
diff --git a/base/metrics/field_trial.cc b/base/metrics/field_trial.cc
index 0088103..de95c41 100644
--- a/base/metrics/field_trial.cc
+++ b/base/metrics/field_trial.cc
@@ -279,8 +279,12 @@ FieldTrial* FieldTrialList::FactoryGetFieldTrial(
FieldTrial* field_trial =
new FieldTrial(name, total_probability, default_group_name);
- if (GetBuildTime() > CreateTimeFromParams(year, month, day_of_month))
+ if (GetBuildTime() > CreateTimeFromParams(year, month, day_of_month)) {
+ // TODO(asvitkine): Temporary histogram. Remove this once it is not needed.
+ if (name == "UMA-Uniformity-Trial-1-Percent")
+ UMA_HISTOGRAM_BOOLEAN("Variations.UniformityTrialExpired", true);
field_trial->Disable();
+ }
FieldTrialList::Register(field_trial);
return field_trial;
}