diff options
Diffstat (limited to 'base')
| -rw-r--r-- | base/metrics/field_trial.cc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/base/metrics/field_trial.cc b/base/metrics/field_trial.cc index 589c1eb..f048897 100644 --- a/base/metrics/field_trial.cc +++ b/base/metrics/field_trial.cc @@ -6,6 +6,7 @@ #include "base/build_time.h" #include "base/logging.h" +#include "base/metrics/histogram.h" #include "base/rand_util.h" #include "base/sha1.h" #include "base/stringprintf.h" @@ -84,6 +85,9 @@ void FieldTrial::UseOneTimeRandomization() { FieldTrialList::GetEntropyProviderForOneTimeRandomization(); if (!entropy_provider) { NOTREACHED(); + // TODO(stevet): Remove this temporary histogram when logging + // investigations are complete. + UMA_HISTOGRAM_BOOLEAN("Variations.DisabledNoEntropyProvider", true); Disable(); return; } |