Add BluetoothRemoteGATTDescriptor reporting for .readValue().

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 17 matching lines @@
   CONNECT_GATT = 1,
   GET_PRIMARY_SERVICE = 2,
   SERVICE_GET_CHARACTERISTIC = 3,
   CHARACTERISTIC_READ_VALUE = 4,
   CHARACTERISTIC_WRITE_VALUE = 5,
   CHARACTERISTIC_START_NOTIFICATIONS = 6,
   CHARACTERISTIC_STOP_NOTIFICATIONS = 7,
   REMOTE_GATT_SERVER_DISCONNECT = 8,
   SERVICE_GET_CHARACTERISTICS = 9,
   GET_PRIMARY_SERVICES = 10,
+  DESCRIPTOR_READ_VALUE = 11,
   // 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);
 
 // Enumeration for outcomes of querying the bluetooth cache.
@@ skipping 223 matching lines @@
 // Characteristic.startNotifications() Metrics
 // There should be a call to this function for every call to
 // 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);
 
+// Descriptor.readValue() Metrics
+// There should be a call to this function for every call to
+// Send(BluetoothMsg_ReadDescriptorValueSuccess) and
+// Send(BluetoothMsg_ReadDescriptorValueError).
+void RecordDescriptorReadValueOutcome(UMAGATTOperationOutcome error);
+
+// Records the outcome of a cache query for readValue. Should only be called if
+// QueryCacheForDescriptor fails.
+void RecordDescriptorReadValueOutcome(CacheQueryOutcome outcome);
+
 enum class UMARSSISignalStrengthLevel {
   LESS_THAN_OR_EQUAL_TO_MIN_RSSI,
   LEVEL_0,
   LEVEL_1,
   LEVEL_2,
   LEVEL_3,
   LEVEL_4,
   GREATER_THAN_OR_EQUAL_TO_MAX_RSSI,
   // Note: Add new RSSI signal strength level immediately above this line.
   COUNT
 };
 
 // Records the raw RSSI, and processed result displayed to users, when
 // content::BluetoothDeviceChooserController::CalculateSignalStrengthLevel() is
 // called.
 void RecordRSSISignalStrength(int rssi);
 void RecordRSSISignalStrengthLevel(UMARSSISignalStrengthLevel level);
 
 // In the case of not accepting all devices in the options that are given
 // to WebBluetooth requestDevice(), records the number of devices in the
 // chooser when a device is paired.
 void RecordNumOfDevices(bool accept_all_devices, size_t num_of_devices);
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BLUETOOTH_BLUETOOTH_METRICS_H_