Bluetooth: macOS: Adding counter for service discovery callbacks.

device/bluetooth/test/bluetooth_test_mac.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 DEVICE_BLUETOOTH_TEST_BLUETOOTH_TEST_MAC_H_
 #define DEVICE_BLUETOOTH_TEST_BLUETOOTH_TEST_MAC_H_
 
 #include <memory>
 
 #include "base/test/test_simple_task_runner.h"
@@ skipping 76 matching lines @@
       BluetoothRemoteGattCharacteristic* characteristic) override;
   void ExpectedChangeNotifyValueAttempts(int attempts) override;
   void ExpectedNotifyValue(NotifyValueState expected_value_state) override;
 
   // Callback for the bluetooth central manager mock.
   void OnFakeBluetoothDeviceConnectGattCalled();
   void OnFakeBluetoothGattDisconnect();
 
   // Callback for the bluetooth peripheral mock.
   void OnFakeBluetoothServiceDiscovery();
+  void OnFakeBluetoothCharacteristicDiscovery();
   void OnFakeBluetoothCharacteristicReadValue();
   void OnFakeBluetoothCharacteristicWriteValue(std::vector<uint8_t> value);
   void OnFakeBluetoothGattSetCharacteristicNotification(bool notify_value);
 
   // Returns the service UUIDs used to retrieve connected peripherals.
   BluetoothDevice::UUIDSet RetrieveConnectedPeripheralServiceUUIDs();
   // Reset RetrieveConnectedPeripheralServiceUUIDs set.
   void ResetRetrieveConnectedPeripheralServiceUUIDs();
 
  protected:
@@ skipping 10 matching lines @@
       BluetoothRemoteGattCharacteristic* characteristic) const;
 
   // Utility function for finding CBUUIDs with relatively nice SHA256 hashes.
   std::string FindCBUUIDForHashTarget();
 
   BluetoothAdapterMac* adapter_mac_ = nullptr;
   std::unique_ptr<ScopedMockCentralManager> mock_central_manager_;
 
   // Value set by -[CBPeripheral setNotifyValue:forCharacteristic:] call.
   bool last_notify_value_ = false;
+  int gatt_characteristic_discovery_attempts_ = 0;
 };
 
 // Defines common test fixture name. Use TEST_F(BluetoothTest, YourTestName).
 typedef BluetoothTestMac BluetoothTest;
 
 }  // namespace device
 
 #endif  // DEVICE_BLUETOOTH_TEST_BLUETOOTH_TEST_MAC_H_