bluetooth: Add disconnect function

content/browser/bluetooth/bluetooth_metrics.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_BLUETOOTH_BLUETOOTH_METRICS_H_
 #define CONTENT_BROWSER_BLUETOOTH_BLUETOOTH_METRICS_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 13 matching lines @@
 // Enumaration of each Web Bluetooth API entry point.
 enum class UMAWebBluetoothFunction {
   REQUEST_DEVICE = 0,
   CONNECT_GATT = 1,
   GET_PRIMARY_SERVICE = 2,
   GET_CHARACTERISTIC = 3,
   CHARACTERISTIC_READ_VALUE = 4,
   CHARACTERISTIC_WRITE_VALUE = 5,
   CHARACTERISTIC_START_NOTIFICATIONS = 6,
   CHARACTERISTIC_STOP_NOTIFICATIONS = 7,
+  REMOTE_GATT_SERVER_DISCONNECT = 8,
   // NOTE: Add new actions immediately above this line. Make sure to update
   // the enum list in tools/metrics/histograms/histograms.xml accordingly.
   COUNT
 };
 
 // There should be a call to this function for every call to the Web Bluetooth
 // API.
 void RecordWebBluetoothFunctionCall(UMAWebBluetoothFunction function);
 
 // Enumation for outcomes of querying the bluetooth cache.
@@ skipping 177 matching lines @@
 // Send(BluetoothMsg_StartNotificationsSuccess) and
 // Send(BluetoothMsg_StopNotificationsError).
 void RecordStartNotificationsOutcome(UMAGATTOperationOutcome outcome);
 // Records the outcome of a cache query for startNotifications. Should only be
 // called if QueryCacheForCharacteristic fails.
 void RecordStartNotificationsOutcome(CacheQueryOutcome outcome);
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BLUETOOTH_BLUETOOTH_METRICS_H_