s.metrics_ = [];
      tr.metrics.MetricRegistry.getAllRegisteredTypeInfos().forEach(
          function(m) {
            if (m.constructor.name === 'sampleMetric') return;

            this.metrics_.push({
              label: m.constructor.name,
              value: m.constructor.name
            });
          }, this);

      this.metrics_.sort((x, y) => x.label.localeCompare(y.label));

      this.settingsKey_ = 'metrics-side-panel-metric-name';
      this.currentMetricName_ = 'responsivenessMetric';
  