// is determined by the pref value.
void RecordEnvironment(
const std::vector<metrics::MetricsProvider*>& metrics_providers,
- const std::vector<variations::ActiveGroupId>& synthetic_trials);
+ const std::vector<variations::ActiveGroupId>& synthetic_trials,
+ int64 install_date);
// Loads the environment proto that was saved by the last RecordEnvironment()
// call from prefs and clears the pref value. Returns true on success or false