| Index: content/browser/bluetooth/bluetooth_metrics.cc | 
| diff --git a/content/browser/bluetooth/bluetooth_metrics.cc b/content/browser/bluetooth/bluetooth_metrics.cc | 
| index e04a7cab0ea54ac3730cd60be9c1541c3e148412..e9a34c82ad9e2912e0e44609ed87a224e4116337 100644 | 
| --- a/content/browser/bluetooth/bluetooth_metrics.cc | 
| +++ b/content/browser/bluetooth/bluetooth_metrics.cc | 
| @@ -150,6 +150,9 @@ void RecordGATTOperationOutcome(UMAGATTOperation operation, | 
| case UMAGATTOperation::CHARACTERISTIC_WRITE: | 
| RecordCharacteristicWriteValueOutcome(outcome); | 
| return; | 
| +    case UMAGATTOperation::START_NOTIFICATIONS: | 
| +      RecordStartNotificationsOutcome(outcome); | 
| +      return; | 
| case UMAGATTOperation::COUNT: | 
| NOTREACHED(); | 
| return; | 
| @@ -174,4 +177,12 @@ void RecordCharacteristicWriteValueOutcome(UMAGATTOperationOutcome outcome) { | 
| static_cast<int>(UMAGATTOperationOutcome::COUNT)); | 
| } | 
|  | 
| +// Characteristic.startNotifications | 
| +void RecordStartNotificationsOutcome(UMAGATTOperationOutcome outcome) { | 
| +  UMA_HISTOGRAM_ENUMERATION( | 
| +      "Bluetooth.Web.Characteristic.StartNotifications.Outcome", | 
| +      static_cast<int>(outcome), | 
| +      static_cast<int>(UMAGATTOperationOutcome::COUNT)); | 
| +} | 
| + | 
| }  // namespace content | 
|  |